// It also applies for registers Rt and Rs of microMIPSr6 jalrc.hb instruction
// and registers Rd and Base for microMIPS lwp instruction
case Mips::JALR_HB:
+ case Mips::JALR_HB64:
case Mips::JALRC_HB_MMR6:
case Mips::JALRC_MMR6:
if (Inst.getOperand(0).getReg() == Inst.getOperand(1).getReg())
def TAILCALL_MMR6 : TailCall<BC_MMR6, brtarget26_mm>, ISA_MICROMIPS32R6;
+def TAILCALLREG_MMR6 : TailCallReg<JRC16_MM, GPR32Opnd>, ISA_MICROMIPS32R6;
+
+def PseudoIndirectBranch_MMR6 : PseudoIndirectBranchBase<JRC16_MMR6,
+ GPR32Opnd>,
+ ISA_MICROMIPS32R6;
+
def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
(TAILCALL_MMR6 tglobaladdr:$dst)>, ISA_MICROMIPS32R6;
def TAILCALL_MM : TailCall<J_MM, jmptarget_mm>, ISA_MIPS1_NOT_32R6_64R6;
+def TAILCALLREG_MM : TailCallReg<JRC16_MM, GPR32Opnd>,
+ ISA_MICROMIPS32_NOT_MIPS32R6;
+
+def PseudoIndirectBranch_MM : PseudoIndirectBranchBase<JR_MM, GPR32Opnd>,
+ ISA_MICROMIPS32_NOT_MIPS32R6;
+
let DecoderNamespace = "MicroMips" in {
def RDHWR_MM : MMRel, R6MMR6Rel, ReadHardware<GPR32Opnd, HWRegsOpnd>,
RDHWR_FM_MM, ISA_MICROMIPS32_NOT_MIPS32R6;
def FeatureLongCalls : SubtargetFeature<"long-calls", "UseLongCalls", "true",
"Disable use of the jal instruction">;
+def FeatureUseIndirectJumpsHazard : SubtargetFeature<"use-indirect-jump-hazard",
+ "UseIndirectJumpsHazard",
+ "true", "Use indirect jump"
+ " guards to prevent certain speculation based attacks">;
//===----------------------------------------------------------------------===//
// Mips processors supported.
//===----------------------------------------------------------------------===//
(SELEQZ i32:$f, i32:$cond)>,
ISA_MIPS32R6;
}
+
+// Pseudo instructions
+let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
+ hasExtraSrcRegAllocReq = 1, isCTI = 1, Defs = [AT] in {
+ class TailCallRegR6<Instruction JumpInst, Register RT, RegisterOperand RO> :
+ PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], II_JR>,
+ PseudoInstExpansion<(JumpInst RT:$rt, RO:$rs)>;
+}
+
+class PseudoIndirectBranchBaseR6<Instruction JumpInst, Register RT,
+ RegisterOperand RO> :
+ MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)],
+ II_IndirectBranchPseudo>,
+ PseudoInstExpansion<(JumpInst RT:$rt, RO:$rs)> {
+ let isTerminator=1;
+ let isBarrier=1;
+ let hasDelaySlot = 1;
+ let isBranch = 1;
+ let isIndirectBranch = 1;
+ bit isCTI = 1;
+}
+
+
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ NoIndirectJumpGuards] in {
+ def TAILCALLR6REG : TailCallRegR6<JALR, ZERO, GPR32Opnd>, ISA_MIPS32R6;
+ def PseudoIndirectBranchR6 : PseudoIndirectBranchBaseR6<JALR, ZERO,
+ GPR32Opnd>,
+ ISA_MIPS32R6;
+}
+
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ UseIndirectJumpsHazard] in {
+ def TAILCALLHBR6REG : TailCallReg<JR_HB_R6, GPR32Opnd>, ISA_MIPS32R6;
+ def PseudoIndrectHazardBranchR6 : PseudoIndirectBranchBase<JR_HB_R6,
+ GPR32Opnd>,
+ ISA_MIPS32R6;
+}
+
def BGTZ64 : CBranchZero<"bgtz", brtarget, setgt, GPR64Opnd>, BGEZ_FM<7, 0>;
def BLEZ64 : CBranchZero<"blez", brtarget, setle, GPR64Opnd>, BGEZ_FM<6, 0>;
def BLTZ64 : CBranchZero<"bltz", brtarget, setlt, GPR64Opnd>, BGEZ_FM<1, 0>;
- def JALR64Pseudo : JumpLinkRegPseudo<GPR64Opnd, JALR, RA, GPR32Opnd>;
+ let AdditionalPredicates = [NoIndirectJumpGuards] in
+ def JALR64Pseudo : JumpLinkRegPseudo<GPR64Opnd, JALR, RA, GPR32Opnd>;
}
+let AdditionalPredicates = [NotInMicroMips],
+ DecoderNamespace = "Mips64" in {
+ def JR_HB64 : JR_HB_DESC<GPR64Opnd>, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
+ def JALR_HB64 : JALR_HB_DESC<GPR64Opnd>, JALR_HB_ENC, ISA_MIPS32R2;
+}
+def PseudoReturn64 : PseudoReturnBase<GPR64Opnd>;
-def TAILCALLREG64 : TailCallReg<GPR64Opnd>;
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ NoIndirectJumpGuards] in {
+ def TAILCALLREG64 : TailCallReg<JR64, GPR64Opnd>, ISA_MIPS3_NOT_32R6_64R6,
+ PTR_64;
+ def PseudoIndirectBranch64 : PseudoIndirectBranchBase<JR64, GPR64Opnd>,
+ ISA_MIPS3_NOT_32R6_64R6;
+}
-def PseudoReturn64 : PseudoReturnBase<GPR64Opnd>;
-def PseudoIndirectBranch64 : PseudoIndirectBranchBase<GPR64Opnd>;
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ UseIndirectJumpsHazard] in {
+ def TAILCALLREGHB64 : TailCallReg<JR_HB64, GPR64Opnd>,
+ ISA_MIPS32R2_NOT_32R6_64R6, PTR_64;
+ def PseudoIndirectHazardBranch64 : PseudoIndirectBranchBase<JR_HB64,
+ GPR64Opnd>,
+ ISA_MIPS32R2_NOT_32R6_64R6;
+}
/// Multiply and Divide Instructions.
let AdditionalPredicates = [NotInMicroMips] in {
ISA_MIPS3;
}
+
+let AdditionalPredicates = [UseIndirectJumpsHazard] in
+ def JALRHB64Pseudo : JumpLinkRegPseudo<GPR64Opnd, JALR_HB64, RA_64>;
+
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
def : MipsInstAlias<"dext $rt, $rs, $pos, $size",
(DEXTU GPR64Opnd:$rt, GPR64Opnd:$rs, uimm5_plus32:$pos,
uimm5_plus1:$size), 0>, ISA_MIPS64R2;
-
+ def : MipsInstAlias<"jalr.hb $rs", (JALR_HB64 RA_64, GPR64Opnd:$rs), 1>,
+ ISA_MIPS64;
// Two operand (implicit 0 selector) versions:
def : MipsInstAlias<"dmtc0 $rt, $rd",
(DMTC0 COP0Opnd:$rd, GPR64Opnd:$rt, 0), 0>;
class LL64_R6_DESC : LL_R6_DESC_BASE<"ll", GPR32Opnd, mem_simm9, II_LL>;
class SC64_R6_DESC : SC_R6_DESC_BASE<"sc", GPR32Opnd, II_SC>;
+
+class JR_HB64_R6_DESC : JR_HB_DESC_BASE<"jr.hb", GPR64Opnd> {
+ bit isBranch = 1;
+ bit isIndirectBranch = 1;
+ bit hasDelaySlot = 1;
+ bit isTerminator=1;
+ bit isBarrier=1;
+ bit isCTI = 1;
+ InstrItinClass Itinerary = II_JR_HB;
+}
//===----------------------------------------------------------------------===//
//
// Instruction Definitions
let DecoderNamespace = "Mips32r6_64r6_GP64" in {
def SELEQZ64 : SELEQZ_ENC, SELEQZ64_DESC, ISA_MIPS32R6, GPR_64;
def SELNEZ64 : SELNEZ_ENC, SELNEZ64_DESC, ISA_MIPS32R6, GPR_64;
+ def JR_HB64_R6 : JR_HB_R6_ENC, JR_HB64_R6_DESC, ISA_MIPS32R6;
}
let AdditionalPredicates = [NotInMicroMips],
DecoderNamespace = "Mips32r6_64r6_PTR64" in {
def : MipsPat<(select (i32 (seteq i32:$cond, immz)), immz, i64:$f),
(SELNEZ64 i64:$f, (SLL64_32 i32:$cond))>,
ISA_MIPS64R6;
+
+// Pseudo instructions
+
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ NoIndirectJumpGuards] in {
+ def TAILCALL64R6REG : TailCallRegR6<JALR64, ZERO_64, GPR64Opnd>, ISA_MIPS64R6;
+ def PseudoIndirectBranch64R6 : PseudoIndirectBranchBaseR6<JALR64, ZERO_64,
+ GPR64Opnd>,
+ ISA_MIPS64R6;
+}
+
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ UseIndirectJumpsHazard] in {
+ def TAILCALLHB64R6REG : TailCallReg<JR_HB64_R6, GPR64Opnd>,
+ ISA_MIPS64R6;
+ def PseudoIndrectHazardBranch64R6 : PseudoIndirectBranchBase<JR_HB64_R6,
+ GPR64Opnd>,
+ ISA_MIPS64R6;
+}
class PseudoDSP<dag outs, dag ins, list<dag> pattern,
InstrItinClass itin = IIPseudo>
- : MipsPseudo<outs, ins, pattern, itin>, PredicateControl {
+ : MipsPseudo<outs, ins, pattern, itin> {
let InsnPredicates = [HasDSP];
}
// Mips Pseudo Instructions Format
class MipsPseudo<dag outs, dag ins, list<dag> pattern,
InstrItinClass itin = IIPseudo> :
- MipsInst<outs, ins, "", pattern, itin, Pseudo> {
+ MipsInst<outs, ins, "", pattern, itin, Pseudo>, PredicateControl {
let isCodeGenOnly = 1;
let isPseudo = 1;
}
// Mips32/64 Pseudo Instruction Format
class PseudoSE<dag outs, dag ins, list<dag> pattern,
InstrItinClass itin = IIPseudo> :
- MipsPseudo<outs, ins, pattern, itin>, PredicateControl {
+ MipsPseudo<outs, ins, pattern, itin> {
let EncodingPredicates = [HasStdEnc];
}
case Mips::JR:
case Mips::PseudoReturn:
case Mips::PseudoIndirectBranch:
- case Mips::TAILCALLREG:
canUseShortMicroMipsCTI = true;
break;
}
// For MIPSR6, the instruction 'jic' can be used for these cases. Some
// tools will accept 'jrc reg' as an alias for 'jic 0, $reg'.
case Mips::JR:
+ case Mips::PseudoIndirectBranchR6:
case Mips::PseudoReturn:
- case Mips::PseudoIndirectBranch:
- case Mips::TAILCALLREG:
+ case Mips::TAILCALLR6REG:
if (canUseShortMicroMipsCTI)
return Mips::JRC16_MM;
return Mips::JIC;
case Mips::JALRPseudo:
return Mips::JIALC;
case Mips::JR64:
+ case Mips::PseudoIndirectBranch64R6:
case Mips::PseudoReturn64:
- case Mips::PseudoIndirectBranch64:
- case Mips::TAILCALLREG64:
+ case Mips::TAILCALL64R6REG:
return Mips::JIC64;
case Mips::JALR64Pseudo:
return Mips::JIALC64;
return verifyInsExtInstruction(MI, ErrInfo, 0, 32, 32, 64, 32, 64);
case Mips::DEXTU:
return verifyInsExtInstruction(MI, ErrInfo, 32, 64, 0, 32, 32, 64);
+ case Mips::TAILCALLREG:
+ case Mips::PseudoIndirectBranch:
+ case Mips::JR:
+ case Mips::JR64:
+ case Mips::JALR:
+ case Mips::JALR64:
+ case Mips::JALRPseudo:
+ if (!Subtarget.useIndirectJumpsHazard())
+ return true;
+
+ ErrInfo = "invalid instruction when using jump guards!";
+ return false;
default:
return true;
}
AssemblerPredicate<"!FeatureMadd4">;
def HasMT : Predicate<"Subtarget->hasMT()">,
AssemblerPredicate<"FeatureMT">;
-
+def UseIndirectJumpsHazard : Predicate<"Subtarget->useIndirectJumpsHazard()">,
+ AssemblerPredicate<"FeatureUseIndirectJumpsHazard">;
+def NoIndirectJumpGuards : Predicate<"!Subtarget->useIndirectJumpsHazard()">,
+ AssemblerPredicate<"!FeatureUseIndirectJumpsHazard">;
//===----------------------------------------------------------------------===//
// Mips GPR size adjectives.
// They are mutually exclusive.
PseudoSE<(outs), (ins calltarget:$target), [], II_J>,
PseudoInstExpansion<(JumpInst Opnd:$target)>;
- class TailCallReg<RegisterOperand RO> :
- PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], II_JR>;
+ class TailCallReg<Instruction JumpInst, RegisterOperand RO> :
+ PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], II_JR>,
+ PseudoInstExpansion<(JumpInst RO:$rs)>;
}
class BAL_BR_Pseudo<Instruction RealInst> :
AdditionalRequires<[NotInMicroMips]>;
def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
-let AdditionalPredicates = [NotInMicroMips] in {
+let AdditionalPredicates = [NotInMicroMips, NoIndirectJumpGuards] in {
def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
}
let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips] in {
def TAILCALL : TailCall<J, jmptarget>;
}
-
-def TAILCALLREG : TailCallReg<GPR32Opnd>;
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ NoIndirectJumpGuards] in
+ def TAILCALLREG : TailCallReg<JR, GPR32Opnd>, ISA_MIPS1_NOT_32R6_64R6;
// Indirect branches are matched as PseudoIndirectBranch/PseudoIndirectBranch64
// then are expanded to JR, JR64, JALR, or JALR64 depending on the ISA.
-class PseudoIndirectBranchBase<RegisterOperand RO> :
+class PseudoIndirectBranchBase<Instruction JumpInst, RegisterOperand RO> :
MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)],
- II_IndirectBranchPseudo> {
+ II_IndirectBranchPseudo>,
+ PseudoInstExpansion<(JumpInst RO:$rs)> {
let isTerminator=1;
let isBarrier=1;
let hasDelaySlot = 1;
let isBranch = 1;
let isIndirectBranch = 1;
bit isCTI = 1;
- let Predicates = [NotInMips16Mode];
}
-def PseudoIndirectBranch : PseudoIndirectBranchBase<GPR32Opnd>;
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ NoIndirectJumpGuards] in
+ def PseudoIndirectBranch : PseudoIndirectBranchBase<JR, GPR32Opnd>,
+ ISA_MIPS1_NOT_32R6_64R6;
// Return instructions are matched as a RetRA instruction, then are expanded
// into PseudoReturn/PseudoReturn64 after register allocation. Finally,
list<dag> Pattern = [];
}
-class JR_HB_DESC : InstSE<(outs), (ins), "", [], II_JR_HB, FrmJ>,
- JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
+class JR_HB_DESC<RegisterOperand RO> :
+ InstSE<(outs), (ins), "", [], II_JR_HB, FrmJ>, JR_HB_DESC_BASE<"jr.hb", RO> {
let isBranch=1;
let isIndirectBranch=1;
let hasDelaySlot=1;
bit isCTI = 1;
}
-class JALR_HB_DESC : InstSE<(outs), (ins), "", [], II_JALR_HB, FrmJ>,
- JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
+class JALR_HB_DESC<RegisterOperand RO> :
+ InstSE<(outs), (ins), "", [], II_JALR_HB, FrmJ>, JALR_HB_DESC_BASE<"jalr.hb",
+ RO> {
let isIndirectBranch=1;
let hasDelaySlot=1;
bit isCTI = 1;
class JR_HB_ENC : JR_HB_FM<8>;
class JALR_HB_ENC : JALR_HB_FM<9>;
-def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
-def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
+def JR_HB : JR_HB_DESC<GPR32Opnd>, JR_HB_ENC, ISA_MIPS32R2_NOT_32R6_64R6;
+def JALR_HB : JALR_HB_DESC<GPR32Opnd>, JALR_HB_ENC, ISA_MIPS32;
+
+let AdditionalPredicates = [NotInMicroMips, UseIndirectJumpsHazard] in
+ def JALRHBPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR_HB, RA>;
+
+
+let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
+ UseIndirectJumpsHazard] in {
+ def TAILCALLREGHB : TailCallReg<JR_HB, GPR32Opnd>, ISA_MIPS32_NOT_32R6_64R6;
+ def PseudoIndirectHazardBranch : PseudoIndirectBranchBase<JR_HB, GPR32Opnd>,
+ ISA_MIPS32R2_NOT_32R6_64R6;
+}
class TLB<string asmstr, InstrItinClass itin = NoItinerary> :
InstSE<(outs), (ins), asmstr, [], itin, FrmOther, asmstr>;
let Predicates = [NotInMicroMips] in {
def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
}
-def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
+def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>,
+ ISA_MIPS32;
def : MipsInstAlias<"neg $rt, $rs",
(SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
def : MipsInstAlias<"neg $rt",
// In NaCl, modifying the sp is not allowed in branch delay slot.
// For MIPS32R6, we can skip using a delay slot branch.
- if (Subtarget.isTargetNaCl() || Subtarget.hasMips32r6())
+ if (Subtarget.isTargetNaCl() ||
+ (Subtarget.hasMips32r6() && !Subtarget.useIndirectJumpsHazard()))
BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::ADDiu), Mips::SP)
.addReg(Mips::SP).addImm(8);
- if (Subtarget.hasMips32r6()) {
+ if (Subtarget.hasMips32r6() && !Subtarget.useIndirectJumpsHazard()) {
const unsigned JICOp =
Subtarget.inMicroMipsMode() ? Mips::JIC_MMR6 : Mips::JIC;
BuildMI(*BalTgtMBB, Pos, DL, TII->get(JICOp))
.addImm(0);
} else {
- BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::JR)).addReg(Mips::AT);
+ unsigned JROp =
+ Subtarget.useIndirectJumpsHazard()
+ ? (Subtarget.hasMips32r6() ? Mips::JR_HB_R6 : Mips::JR_HB)
+ : Mips::JR;
+ BuildMI(*BalTgtMBB, Pos, DL, TII->get(JROp)).addReg(Mips::AT);
if (Subtarget.isTargetNaCl()) {
BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::NOP));
BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::LD), Mips::RA_64)
.addReg(Mips::SP_64).addImm(0);
- if (Subtarget.hasMips64r6()) {
+ if (Subtarget.hasMips64r6() && !Subtarget.useIndirectJumpsHazard()) {
BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::DADDiu), Mips::SP_64)
.addReg(Mips::SP_64)
.addImm(16);
.addReg(Mips::AT_64)
.addImm(0);
} else {
- BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::JR64)).addReg(Mips::AT_64);
+ unsigned JROp =
+ Subtarget.useIndirectJumpsHazard()
+ ? (Subtarget.hasMips32r6() ? Mips::JR_HB64_R6 : Mips::JR_HB64)
+ : Mips::JR64;
+ BuildMI(*BalTgtMBB, Pos, DL, TII->get(JROp)).addReg(Mips::AT_64);
BuildMI(*BalTgtMBB, Pos, DL, TII->get(Mips::DADDiu), Mips::SP_64)
.addReg(Mips::SP_64)
.addImm(16);
HasDSPR2(false), HasDSPR3(false), AllowMixed16_32(Mixed16_32 | Mips_Os16),
Os16(Mips_Os16), HasMSA(false), UseTCCInDIV(false), HasSym32(false),
HasEVA(false), DisableMadd4(false), HasMT(false),
- StackAlignOverride(StackAlignOverride), TM(TM), TargetTriple(TT),
- TSInfo(), InstrInfo(MipsInstrInfo::create(
- initializeSubtargetDependencies(CPU, FS, TM))),
+ UseIndirectJumpsHazard(false), StackAlignOverride(StackAlignOverride),
+ TM(TM), TargetTriple(TT), TSInfo(),
+ InstrInfo(
+ MipsInstrInfo::create(initializeSubtargetDependencies(CPU, FS, TM))),
FrameLowering(MipsFrameLowering::create(*this)),
TLInfo(MipsTargetLowering::create(TM, *this)) {
if (hasMips64r6() && InMicroMipsMode)
report_fatal_error("microMIPS64R6 is not supported", false);
+
+ if (UseIndirectJumpsHazard) {
+ if (InMicroMipsMode)
+ report_fatal_error(
+ "cannot combine indirect jumps with hazard barriers and microMIPS");
+ if (!hasMips32r2())
+ report_fatal_error(
+ "indirect jumps with hazard barriers requires MIPS32R2 or later");
+ }
if (hasMips32r6()) {
StringRef ISA = hasMips64r6() ? "MIPS64r6" : "MIPS32r6";
// HasMT -- support MT ASE.
bool HasMT;
+ // Use hazard variants of the jump register instructions for indirect
+ // function calls and jump tables.
+ bool UseIndirectJumpsHazard;
+
// Disable use of the `jal` instruction.
bool UseLongCalls = false;
bool disableMadd4() const { return DisableMadd4; }
bool hasEVA() const { return HasEVA; }
bool hasMT() const { return HasMT; }
+ bool useIndirectJumpsHazard() const {
+ return UseIndirectJumpsHazard && hasMips32r2();
+ }
bool useSmallSection() const { return UseSmallSection; }
bool hasStandardEncoding() const { return !inMips16Mode(); }
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=mips-mti-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS32R2
+; RUN: llc < %s -mtriple=mips-img-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS32R6
+; RUN: llc < %s -mtriple=mips64-mti-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS64R2
+; RUN: llc < %s -mtriple=mips64-img-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS64R6
+
+; RUN: llc < %s -mtriple=mips-mti-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS32R2
+; RUN: llc < %s -mtriple=mips-img-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS32R6
+; RUN: llc < %s -mtriple=mips64-mti-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS64R2
+; RUN: llc < %s -mtriple=mips64-img-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS64R6
+
+define void @fooNonTail(void (i32)* nocapture %f1) nounwind {
+; MIPS32R2-LABEL: fooNonTail:
+; MIPS32R2: # %bb.0: # %entry
+; MIPS32R2-NEXT: addiu $sp, $sp, -24
+; MIPS32R2-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
+; MIPS32R2-NEXT: move $1, $4
+; MIPS32R2-NEXT: move $25, $1
+; MIPS32R2-NEXT: jalr.hb $25
+; MIPS32R2-NEXT: addiu $4, $zero, 13
+; MIPS32R2-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
+; MIPS32R2-NEXT: jr $ra
+; MIPS32R2-NEXT: addiu $sp, $sp, 24
+;
+; MIPS32R6-LABEL: fooNonTail:
+; MIPS32R6: # %bb.0: # %entry
+; MIPS32R6-NEXT: addiu $sp, $sp, -24
+; MIPS32R6-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
+; MIPS32R6-NEXT: move $1, $4
+; MIPS32R6-NEXT: move $25, $1
+; MIPS32R6-NEXT: jalr.hb $25
+; MIPS32R6-NEXT: addiu $4, $zero, 13
+; MIPS32R6-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
+; MIPS32R6-NEXT: jr $ra
+; MIPS32R6-NEXT: addiu $sp, $sp, 24
+;
+; MIPS64R2-LABEL: fooNonTail:
+; MIPS64R2: # %bb.0: # %entry
+; MIPS64R2-NEXT: daddiu $sp, $sp, -16
+; MIPS64R2-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
+; MIPS64R2-NEXT: move $1, $4
+; MIPS64R2-NEXT: move $25, $1
+; MIPS64R2-NEXT: jalr.hb $25
+; MIPS64R2-NEXT: daddiu $4, $zero, 13
+; MIPS64R2-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload
+; MIPS64R2-NEXT: jr $ra
+; MIPS64R2-NEXT: daddiu $sp, $sp, 16
+;
+; MIPS64R6-LABEL: fooNonTail:
+; MIPS64R6: # %bb.0: # %entry
+; MIPS64R6-NEXT: daddiu $sp, $sp, -16
+; MIPS64R6-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
+; MIPS64R6-NEXT: move $1, $4
+; MIPS64R6-NEXT: move $25, $1
+; MIPS64R6-NEXT: jalr.hb $25
+; MIPS64R6-NEXT: daddiu $4, $zero, 13
+; MIPS64R6-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload
+; MIPS64R6-NEXT: jr $ra
+; MIPS64R6-NEXT: daddiu $sp, $sp, 16
+;
+; PIC-MIPS32R2-LABEL: fooNonTail:
+; PIC-MIPS32R2: # %bb.0: # %entry
+; PIC-MIPS32R2-NEXT: addiu $sp, $sp, -24
+; PIC-MIPS32R2-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
+; PIC-MIPS32R2-NEXT: move $1, $4
+; PIC-MIPS32R2-NEXT: move $25, $1
+; PIC-MIPS32R2-NEXT: jalr.hb $25
+; PIC-MIPS32R2-NEXT: addiu $4, $zero, 13
+; PIC-MIPS32R2-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
+; PIC-MIPS32R2-NEXT: jr $ra
+; PIC-MIPS32R2-NEXT: addiu $sp, $sp, 24
+;
+; PIC-MIPS32R6-LABEL: fooNonTail:
+; PIC-MIPS32R6: # %bb.0: # %entry
+; PIC-MIPS32R6-NEXT: addiu $sp, $sp, -24
+; PIC-MIPS32R6-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
+; PIC-MIPS32R6-NEXT: move $1, $4
+; PIC-MIPS32R6-NEXT: move $25, $1
+; PIC-MIPS32R6-NEXT: jalr.hb $25
+; PIC-MIPS32R6-NEXT: addiu $4, $zero, 13
+; PIC-MIPS32R6-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
+; PIC-MIPS32R6-NEXT: jr $ra
+; PIC-MIPS32R6-NEXT: addiu $sp, $sp, 24
+;
+; PIC-MIPS64R2-LABEL: fooNonTail:
+; PIC-MIPS64R2: # %bb.0: # %entry
+; PIC-MIPS64R2-NEXT: daddiu $sp, $sp, -16
+; PIC-MIPS64R2-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
+; PIC-MIPS64R2-NEXT: move $1, $4
+; PIC-MIPS64R2-NEXT: move $25, $1
+; PIC-MIPS64R2-NEXT: jalr.hb $25
+; PIC-MIPS64R2-NEXT: daddiu $4, $zero, 13
+; PIC-MIPS64R2-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload
+; PIC-MIPS64R2-NEXT: jr $ra
+; PIC-MIPS64R2-NEXT: daddiu $sp, $sp, 16
+;
+; PIC-MIPS64R6-LABEL: fooNonTail:
+; PIC-MIPS64R6: # %bb.0: # %entry
+; PIC-MIPS64R6-NEXT: daddiu $sp, $sp, -16
+; PIC-MIPS64R6-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
+; PIC-MIPS64R6-NEXT: move $1, $4
+; PIC-MIPS64R6-NEXT: move $25, $1
+; PIC-MIPS64R6-NEXT: jalr.hb $25
+; PIC-MIPS64R6-NEXT: daddiu $4, $zero, 13
+; PIC-MIPS64R6-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload
+; PIC-MIPS64R6-NEXT: jr $ra
+; PIC-MIPS64R6-NEXT: daddiu $sp, $sp, 16
+entry:
+ call void %f1(i32 13) nounwind
+ ret void
+}
+
+define i32 @fooTail(i32 (i32)* nocapture %f1) nounwind {
+; MIPS32R2-LABEL: fooTail:
+; MIPS32R2: # %bb.0: # %entry
+; MIPS32R2-NEXT: move $1, $4
+; MIPS32R2-NEXT: move $25, $1
+; MIPS32R2-NEXT: jr.hb $25
+; MIPS32R2-NEXT: addiu $4, $zero, 14
+;
+; MIPS32R6-LABEL: fooTail:
+; MIPS32R6: # %bb.0: # %entry
+; MIPS32R6-NEXT: move $1, $4
+; MIPS32R6-NEXT: move $25, $1
+; MIPS32R6-NEXT: jr.hb $25
+; MIPS32R6-NEXT: addiu $4, $zero, 14
+;
+; MIPS64R2-LABEL: fooTail:
+; MIPS64R2: # %bb.0: # %entry
+; MIPS64R2-NEXT: move $1, $4
+; MIPS64R2-NEXT: move $25, $1
+; MIPS64R2-NEXT: jr.hb $25
+; MIPS64R2-NEXT: daddiu $4, $zero, 14
+;
+; MIPS64R6-LABEL: fooTail:
+; MIPS64R6: # %bb.0: # %entry
+; MIPS64R6-NEXT: move $1, $4
+; MIPS64R6-NEXT: move $25, $1
+; MIPS64R6-NEXT: jr.hb $25
+; MIPS64R6-NEXT: daddiu $4, $zero, 14
+;
+; PIC-MIPS32R2-LABEL: fooTail:
+; PIC-MIPS32R2: # %bb.0: # %entry
+; PIC-MIPS32R2-NEXT: move $1, $4
+; PIC-MIPS32R2-NEXT: move $25, $1
+; PIC-MIPS32R2-NEXT: jr.hb $25
+; PIC-MIPS32R2-NEXT: addiu $4, $zero, 14
+;
+; PIC-MIPS32R6-LABEL: fooTail:
+; PIC-MIPS32R6: # %bb.0: # %entry
+; PIC-MIPS32R6-NEXT: move $1, $4
+; PIC-MIPS32R6-NEXT: move $25, $1
+; PIC-MIPS32R6-NEXT: jr.hb $25
+; PIC-MIPS32R6-NEXT: addiu $4, $zero, 14
+;
+; PIC-MIPS64R2-LABEL: fooTail:
+; PIC-MIPS64R2: # %bb.0: # %entry
+; PIC-MIPS64R2-NEXT: move $1, $4
+; PIC-MIPS64R2-NEXT: move $25, $1
+; PIC-MIPS64R2-NEXT: jr.hb $25
+; PIC-MIPS64R2-NEXT: daddiu $4, $zero, 14
+;
+; PIC-MIPS64R6-LABEL: fooTail:
+; PIC-MIPS64R6: # %bb.0: # %entry
+; PIC-MIPS64R6-NEXT: move $1, $4
+; PIC-MIPS64R6-NEXT: move $25, $1
+; PIC-MIPS64R6-NEXT: jr.hb $25
+; PIC-MIPS64R6-NEXT: daddiu $4, $zero, 14
+entry:
+ %0 = tail call i32 %f1(i32 14) nounwind
+ ret i32 %0
+}
--- /dev/null
+# RUN: not llc -mtriple=mips-mti-linux-gnu -mcpu=mips32r2 %s \
+# RUN: -start-after=expand-isel-pseudos -stop-after=expand-isel-pseudos \
+# RUN: -verify-machineinstrs -mattr=+use-indirect-jump-hazard -o - 2>&1 \
+# RUN: | FileCheck %s
+
+# Test that calls are checked when using indirect jumps guards (hazard variant).
+
+# CHECK: Bad machine code: invalid instruction when using jump guards!
+--- |
+ define i32 @fooTail(i32 (i32)* nocapture %f1) {
+ entry:
+ %0 = tail call i32 %f1(i32 14)
+ ret i32 %0
+ }
+...
+---
+name: fooTail
+alignment: 2
+exposesReturnsTwice: false
+legalized: false
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: gpr32, preferred-register: '' }
+ - { id: 1, class: gpr32, preferred-register: '' }
+liveins:
+ - { reg: '$a0', virtual-reg: '%0' }
+frameInfo:
+ isFrameAddressTaken: false
+ isReturnAddressTaken: false
+ hasStackMap: false
+ hasPatchPoint: false
+ stackSize: 0
+ offsetAdjustment: 0
+ maxAlignment: 1
+ adjustsStack: false
+ hasCalls: false
+ stackProtector: ''
+ maxCallFrameSize: 4294967295
+ hasOpaqueSPAdjustment: false
+ hasVAStart: false
+ hasMustTailInVarArgFunc: false
+ savePoint: ''
+ restorePoint: ''
+fixedStack:
+stack:
+constants:
+body: |
+ bb.0.entry:
+ liveins: $a0
+
+ %0:gpr32 = COPY $a0
+ %1:gpr32 = ADDiu $zero, 14
+ $a0 = COPY %1
+ TAILCALLREG %0, csr_o32, implicit-def dead $at, implicit $a0
+
+...
--- /dev/null
+# RUN: not llc -mtriple=mips-mti-linux-gnu -mcpu=mips32r2 %s \
+# RUN: -start-after=expand-isel-pseudos -stop-after=expand-isel-pseudos \
+# RUN: -verify-machineinstrs -mattr=+use-indirect-jump-hazard -o - 2>&1 \
+# RUN: | FileCheck %s
+
+# That that tail calls are checked when using indirect jump guards (hazard variant).
+
+# CHECK: Bad machine code: invalid instruction when using jump guards!
+--- |
+ define i32 @fooTail(i32 (i32)* nocapture %f1) {
+ entry:
+ %0 = tail call i32 %f1(i32 14)
+ ret i32 %0
+ }
+
+...
+---
+name: fooTail
+alignment: 2
+exposesReturnsTwice: false
+legalized: false
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: gpr32, preferred-register: '' }
+ - { id: 1, class: gpr32, preferred-register: '' }
+liveins:
+ - { reg: '$a0', virtual-reg: '%0' }
+frameInfo:
+ isFrameAddressTaken: false
+ isReturnAddressTaken: false
+ hasStackMap: false
+ hasPatchPoint: false
+ stackSize: 0
+ offsetAdjustment: 0
+ maxAlignment: 1
+ adjustsStack: false
+ hasCalls: false
+ stackProtector: ''
+ maxCallFrameSize: 4294967295
+ hasOpaqueSPAdjustment: false
+ hasVAStart: false
+ hasMustTailInVarArgFunc: false
+ savePoint: ''
+ restorePoint: ''
+fixedStack:
+stack:
+constants:
+body: |
+ bb.0.entry:
+ liveins: $a0
+
+ %0:gpr32 = COPY $a0
+ %1:gpr32 = ADDiu $zero, 14
+ $a0 = COPY %1
+ TAILCALLREG %0, csr_o32, implicit-def dead $at, implicit $a0
+
+...
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=mips-mti-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS32R2
+; RUN: llc < %s -mtriple=mips-img-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS32R6
+; RUN: llc < %s -mtriple=mips64-mti-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS64R2
+; RUN: llc < %s -mtriple=mips64-img-linux-gnu -relocation-model=static \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=MIPS64R6
+
+; RUN: llc < %s -mtriple=mips-mti-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS32R2
+; RUN: llc < %s -mtriple=mips-img-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips32r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS32R6
+; RUN: llc < %s -mtriple=mips64-mti-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r2 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS64R2
+; RUN: llc < %s -mtriple=mips64-img-linux-gnu -relocation-model=pic \
+; RUN: -mips-tail-calls=1 -mcpu=mips64r6 -mattr=+use-indirect-jump-hazard \
+; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=PIC-MIPS64R6
+
+@.str = private unnamed_addr constant [2 x i8] c"A\00", align 1
+@.str.1 = private unnamed_addr constant [2 x i8] c"B\00", align 1
+@.str.2 = private unnamed_addr constant [2 x i8] c"C\00", align 1
+@.str.3 = private unnamed_addr constant [2 x i8] c"D\00", align 1
+@.str.4 = private unnamed_addr constant [2 x i8] c"E\00", align 1
+@.str.5 = private unnamed_addr constant [2 x i8] c"F\00", align 1
+@.str.6 = private unnamed_addr constant [2 x i8] c"G\00", align 1
+@.str.7 = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
+
+define i8* @_Z3fooi(i32 signext %Letter) {
+; MIPS32R2-LABEL: _Z3fooi:
+; MIPS32R2: # %bb.0: # %entry
+; MIPS32R2-NEXT: addiu $sp, $sp, -16
+; MIPS32R2-NEXT: .cfi_def_cfa_offset 16
+; MIPS32R2-NEXT: sltiu $1, $4, 7
+; MIPS32R2-NEXT: beqz $1, $BB0_3
+; MIPS32R2-NEXT: sw $4, 4($sp)
+; MIPS32R2-NEXT: $BB0_1: # %entry
+; MIPS32R2-NEXT: sll $1, $4, 2
+; MIPS32R2-NEXT: lui $2, %hi($JTI0_0)
+; MIPS32R2-NEXT: addu $1, $1, $2
+; MIPS32R2-NEXT: lw $1, %lo($JTI0_0)($1)
+; MIPS32R2-NEXT: jr.hb $1
+; MIPS32R2-NEXT: nop
+; MIPS32R2-NEXT: $BB0_2: # %sw.bb
+; MIPS32R2-NEXT: lui $1, %hi($.str)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_3: # %sw.epilog
+; MIPS32R2-NEXT: lui $1, %hi($.str.7)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.7)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_4: # %sw.bb1
+; MIPS32R2-NEXT: lui $1, %hi($.str.1)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.1)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_5: # %sw.bb2
+; MIPS32R2-NEXT: lui $1, %hi($.str.2)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.2)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_6: # %sw.bb3
+; MIPS32R2-NEXT: lui $1, %hi($.str.3)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.3)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_7: # %sw.bb4
+; MIPS32R2-NEXT: lui $1, %hi($.str.4)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.4)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_8: # %sw.bb5
+; MIPS32R2-NEXT: lui $1, %hi($.str.5)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.5)
+; MIPS32R2-NEXT: j $BB0_10
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_9: # %sw.bb6
+; MIPS32R2-NEXT: lui $1, %hi($.str.6)
+; MIPS32R2-NEXT: addiu $1, $1, %lo($.str.6)
+; MIPS32R2-NEXT: sw $1, 8($sp)
+; MIPS32R2-NEXT: $BB0_10: # %return
+; MIPS32R2-NEXT: lw $2, 8($sp)
+; MIPS32R2-NEXT: jr $ra
+; MIPS32R2-NEXT: addiu $sp, $sp, 16
+;
+; MIPS32R6-LABEL: _Z3fooi:
+; MIPS32R6: # %bb.0: # %entry
+; MIPS32R6-NEXT: addiu $sp, $sp, -16
+; MIPS32R6-NEXT: .cfi_def_cfa_offset 16
+; MIPS32R6-NEXT: sltiu $1, $4, 7
+; MIPS32R6-NEXT: beqz $1, $BB0_3
+; MIPS32R6-NEXT: sw $4, 4($sp)
+; MIPS32R6-NEXT: $BB0_1: # %entry
+; MIPS32R6-NEXT: sll $1, $4, 2
+; MIPS32R6-NEXT: lui $2, %hi($JTI0_0)
+; MIPS32R6-NEXT: addu $1, $1, $2
+; MIPS32R6-NEXT: lw $1, %lo($JTI0_0)($1)
+; MIPS32R6-NEXT: jr.hb $1
+; MIPS32R6-NEXT: nop
+; MIPS32R6-NEXT: $BB0_2: # %sw.bb
+; MIPS32R6-NEXT: lui $1, %hi($.str)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_3: # %sw.epilog
+; MIPS32R6-NEXT: lui $1, %hi($.str.7)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.7)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_4: # %sw.bb1
+; MIPS32R6-NEXT: lui $1, %hi($.str.1)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.1)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_5: # %sw.bb2
+; MIPS32R6-NEXT: lui $1, %hi($.str.2)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.2)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_6: # %sw.bb3
+; MIPS32R6-NEXT: lui $1, %hi($.str.3)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.3)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_7: # %sw.bb4
+; MIPS32R6-NEXT: lui $1, %hi($.str.4)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.4)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_8: # %sw.bb5
+; MIPS32R6-NEXT: lui $1, %hi($.str.5)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.5)
+; MIPS32R6-NEXT: j $BB0_10
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_9: # %sw.bb6
+; MIPS32R6-NEXT: lui $1, %hi($.str.6)
+; MIPS32R6-NEXT: addiu $1, $1, %lo($.str.6)
+; MIPS32R6-NEXT: sw $1, 8($sp)
+; MIPS32R6-NEXT: $BB0_10: # %return
+; MIPS32R6-NEXT: lw $2, 8($sp)
+; MIPS32R6-NEXT: jr $ra
+; MIPS32R6-NEXT: addiu $sp, $sp, 16
+;
+; MIPS64R2-LABEL: _Z3fooi:
+; MIPS64R2: # %bb.0: # %entry
+; MIPS64R2-NEXT: daddiu $sp, $sp, -16
+; MIPS64R2-NEXT: .cfi_def_cfa_offset 16
+; MIPS64R2-NEXT: sw $4, 4($sp)
+; MIPS64R2-NEXT: lwu $2, 4($sp)
+; MIPS64R2-NEXT: sltiu $1, $2, 7
+; MIPS64R2-NEXT: beqz $1, .LBB0_3
+; MIPS64R2-NEXT: nop
+; MIPS64R2-NEXT: .LBB0_1: # %entry
+; MIPS64R2-NEXT: daddiu $1, $zero, 8
+; MIPS64R2-NEXT: dmult $2, $1
+; MIPS64R2-NEXT: mflo $1
+; MIPS64R2-NEXT: lui $2, %highest(.LJTI0_0)
+; MIPS64R2-NEXT: daddiu $2, $2, %higher(.LJTI0_0)
+; MIPS64R2-NEXT: dsll $2, $2, 16
+; MIPS64R2-NEXT: daddiu $2, $2, %hi(.LJTI0_0)
+; MIPS64R2-NEXT: dsll $2, $2, 16
+; MIPS64R2-NEXT: daddu $1, $1, $2
+; MIPS64R2-NEXT: ld $1, %lo(.LJTI0_0)($1)
+; MIPS64R2-NEXT: jr.hb $1
+; MIPS64R2-NEXT: nop
+; MIPS64R2-NEXT: .LBB0_2: # %sw.bb
+; MIPS64R2-NEXT: lui $1, %highest(.L.str)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_3: # %sw.epilog
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.7)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.7)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.7)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.7)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_4: # %sw.bb1
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.1)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.1)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.1)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.1)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_5: # %sw.bb2
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.2)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.2)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.2)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.2)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_6: # %sw.bb3
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.3)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.3)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.3)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.3)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_7: # %sw.bb4
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.4)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.4)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.4)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.4)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_8: # %sw.bb5
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.5)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.5)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.5)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.5)
+; MIPS64R2-NEXT: j .LBB0_10
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_9: # %sw.bb6
+; MIPS64R2-NEXT: lui $1, %highest(.L.str.6)
+; MIPS64R2-NEXT: daddiu $1, $1, %higher(.L.str.6)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %hi(.L.str.6)
+; MIPS64R2-NEXT: dsll $1, $1, 16
+; MIPS64R2-NEXT: daddiu $1, $1, %lo(.L.str.6)
+; MIPS64R2-NEXT: sd $1, 8($sp)
+; MIPS64R2-NEXT: .LBB0_10: # %return
+; MIPS64R2-NEXT: ld $2, 8($sp)
+; MIPS64R2-NEXT: jr $ra
+; MIPS64R2-NEXT: daddiu $sp, $sp, 16
+;
+; MIPS64R6-LABEL: _Z3fooi:
+; MIPS64R6: # %bb.0: # %entry
+; MIPS64R6-NEXT: daddiu $sp, $sp, -16
+; MIPS64R6-NEXT: .cfi_def_cfa_offset 16
+; MIPS64R6-NEXT: sw $4, 4($sp)
+; MIPS64R6-NEXT: lwu $2, 4($sp)
+; MIPS64R6-NEXT: sltiu $1, $2, 7
+; MIPS64R6-NEXT: beqzc $1, .LBB0_3
+; MIPS64R6-NEXT: .LBB0_1: # %entry
+; MIPS64R6-NEXT: dsll $1, $2, 3
+; MIPS64R6-NEXT: lui $2, %highest(.LJTI0_0)
+; MIPS64R6-NEXT: daddiu $2, $2, %higher(.LJTI0_0)
+; MIPS64R6-NEXT: dsll $2, $2, 16
+; MIPS64R6-NEXT: daddiu $2, $2, %hi(.LJTI0_0)
+; MIPS64R6-NEXT: dsll $2, $2, 16
+; MIPS64R6-NEXT: daddu $1, $1, $2
+; MIPS64R6-NEXT: ld $1, %lo(.LJTI0_0)($1)
+; MIPS64R6-NEXT: jr.hb $1
+; MIPS64R6-NEXT: nop
+; MIPS64R6-NEXT: .LBB0_2: # %sw.bb
+; MIPS64R6-NEXT: lui $1, %highest(.L.str)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_3: # %sw.epilog
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.7)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.7)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.7)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.7)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_4: # %sw.bb1
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.1)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.1)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.1)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.1)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_5: # %sw.bb2
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.2)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.2)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.2)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.2)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_6: # %sw.bb3
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.3)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.3)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.3)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.3)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_7: # %sw.bb4
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.4)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.4)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.4)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.4)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_8: # %sw.bb5
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.5)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.5)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.5)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.5)
+; MIPS64R6-NEXT: j .LBB0_10
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_9: # %sw.bb6
+; MIPS64R6-NEXT: lui $1, %highest(.L.str.6)
+; MIPS64R6-NEXT: daddiu $1, $1, %higher(.L.str.6)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %hi(.L.str.6)
+; MIPS64R6-NEXT: dsll $1, $1, 16
+; MIPS64R6-NEXT: daddiu $1, $1, %lo(.L.str.6)
+; MIPS64R6-NEXT: sd $1, 8($sp)
+; MIPS64R6-NEXT: .LBB0_10: # %return
+; MIPS64R6-NEXT: ld $2, 8($sp)
+; MIPS64R6-NEXT: jr $ra
+; MIPS64R6-NEXT: daddiu $sp, $sp, 16
+;
+; PIC-MIPS32R2-LABEL: _Z3fooi:
+; PIC-MIPS32R2: # %bb.0: # %entry
+; PIC-MIPS32R2-NEXT: lui $2, %hi(_gp_disp)
+; PIC-MIPS32R2-NEXT: addiu $2, $2, %lo(_gp_disp)
+; PIC-MIPS32R2-NEXT: addiu $sp, $sp, -16
+; PIC-MIPS32R2-NEXT: .cfi_def_cfa_offset 16
+; PIC-MIPS32R2-NEXT: addu $2, $2, $25
+; PIC-MIPS32R2-NEXT: sltiu $1, $4, 7
+; PIC-MIPS32R2-NEXT: beqz $1, $BB0_3
+; PIC-MIPS32R2-NEXT: sw $4, 4($sp)
+; PIC-MIPS32R2-NEXT: $BB0_1: # %entry
+; PIC-MIPS32R2-NEXT: sll $1, $4, 2
+; PIC-MIPS32R2-NEXT: lw $3, %got($JTI0_0)($2)
+; PIC-MIPS32R2-NEXT: addu $1, $1, $3
+; PIC-MIPS32R2-NEXT: lw $1, %lo($JTI0_0)($1)
+; PIC-MIPS32R2-NEXT: addu $1, $1, $2
+; PIC-MIPS32R2-NEXT: jr.hb $1
+; PIC-MIPS32R2-NEXT: nop
+; PIC-MIPS32R2-NEXT: $BB0_2: # %sw.bb
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_3: # %sw.epilog
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.7)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.7)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_4: # %sw.bb1
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.1)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.1)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_5: # %sw.bb2
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.2)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.2)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_6: # %sw.bb3
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.3)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.3)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_7: # %sw.bb4
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.4)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.4)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_8: # %sw.bb5
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.5)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.5)
+; PIC-MIPS32R2-NEXT: b $BB0_10
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_9: # %sw.bb6
+; PIC-MIPS32R2-NEXT: lw $1, %got($.str.6)($2)
+; PIC-MIPS32R2-NEXT: addiu $1, $1, %lo($.str.6)
+; PIC-MIPS32R2-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R2-NEXT: $BB0_10: # %return
+; PIC-MIPS32R2-NEXT: lw $2, 8($sp)
+; PIC-MIPS32R2-NEXT: jr $ra
+; PIC-MIPS32R2-NEXT: addiu $sp, $sp, 16
+;
+; PIC-MIPS32R6-LABEL: _Z3fooi:
+; PIC-MIPS32R6: # %bb.0: # %entry
+; PIC-MIPS32R6-NEXT: lui $2, %hi(_gp_disp)
+; PIC-MIPS32R6-NEXT: addiu $2, $2, %lo(_gp_disp)
+; PIC-MIPS32R6-NEXT: addiu $sp, $sp, -16
+; PIC-MIPS32R6-NEXT: .cfi_def_cfa_offset 16
+; PIC-MIPS32R6-NEXT: addu $2, $2, $25
+; PIC-MIPS32R6-NEXT: sltiu $1, $4, 7
+; PIC-MIPS32R6-NEXT: beqz $1, $BB0_3
+; PIC-MIPS32R6-NEXT: sw $4, 4($sp)
+; PIC-MIPS32R6-NEXT: $BB0_1: # %entry
+; PIC-MIPS32R6-NEXT: sll $1, $4, 2
+; PIC-MIPS32R6-NEXT: lw $3, %got($JTI0_0)($2)
+; PIC-MIPS32R6-NEXT: addu $1, $1, $3
+; PIC-MIPS32R6-NEXT: lw $1, %lo($JTI0_0)($1)
+; PIC-MIPS32R6-NEXT: addu $1, $1, $2
+; PIC-MIPS32R6-NEXT: jr.hb $1
+; PIC-MIPS32R6-NEXT: nop
+; PIC-MIPS32R6-NEXT: $BB0_2: # %sw.bb
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_3: # %sw.epilog
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.7)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.7)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_4: # %sw.bb1
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.1)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.1)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_5: # %sw.bb2
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.2)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.2)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_6: # %sw.bb3
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.3)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.3)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_7: # %sw.bb4
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.4)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.4)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_8: # %sw.bb5
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.5)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.5)
+; PIC-MIPS32R6-NEXT: b $BB0_10
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_9: # %sw.bb6
+; PIC-MIPS32R6-NEXT: lw $1, %got($.str.6)($2)
+; PIC-MIPS32R6-NEXT: addiu $1, $1, %lo($.str.6)
+; PIC-MIPS32R6-NEXT: sw $1, 8($sp)
+; PIC-MIPS32R6-NEXT: $BB0_10: # %return
+; PIC-MIPS32R6-NEXT: lw $2, 8($sp)
+; PIC-MIPS32R6-NEXT: jr $ra
+; PIC-MIPS32R6-NEXT: addiu $sp, $sp, 16
+;
+; PIC-MIPS64R2-LABEL: _Z3fooi:
+; PIC-MIPS64R2: # %bb.0: # %entry
+; PIC-MIPS64R2-NEXT: daddiu $sp, $sp, -16
+; PIC-MIPS64R2-NEXT: .cfi_def_cfa_offset 16
+; PIC-MIPS64R2-NEXT: lui $1, %hi(%neg(%gp_rel(_Z3fooi)))
+; PIC-MIPS64R2-NEXT: daddu $1, $1, $25
+; PIC-MIPS64R2-NEXT: daddiu $2, $1, %lo(%neg(%gp_rel(_Z3fooi)))
+; PIC-MIPS64R2-NEXT: sw $4, 4($sp)
+; PIC-MIPS64R2-NEXT: lwu $3, 4($sp)
+; PIC-MIPS64R2-NEXT: sltiu $1, $3, 7
+; PIC-MIPS64R2-NEXT: beqz $1, .LBB0_3
+; PIC-MIPS64R2-NEXT: nop
+; PIC-MIPS64R2-NEXT: .LBB0_1: # %entry
+; PIC-MIPS64R2-NEXT: daddiu $1, $zero, 8
+; PIC-MIPS64R2-NEXT: dmult $3, $1
+; PIC-MIPS64R2-NEXT: mflo $1
+; PIC-MIPS64R2-NEXT: ld $3, %got_page(.LJTI0_0)($2)
+; PIC-MIPS64R2-NEXT: daddu $1, $1, $3
+; PIC-MIPS64R2-NEXT: ld $1, %got_ofst(.LJTI0_0)($1)
+; PIC-MIPS64R2-NEXT: daddu $1, $1, $2
+; PIC-MIPS64R2-NEXT: jr.hb $1
+; PIC-MIPS64R2-NEXT: nop
+; PIC-MIPS64R2-NEXT: .LBB0_2: # %sw.bb
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_3: # %sw.epilog
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.7)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.7)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_4: # %sw.bb1
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.1)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.1)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_5: # %sw.bb2
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.2)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.2)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_6: # %sw.bb3
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.3)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.3)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_7: # %sw.bb4
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.4)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.4)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_8: # %sw.bb5
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.5)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.5)
+; PIC-MIPS64R2-NEXT: b .LBB0_10
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_9: # %sw.bb6
+; PIC-MIPS64R2-NEXT: ld $1, %got_page(.L.str.6)($2)
+; PIC-MIPS64R2-NEXT: daddiu $1, $1, %got_ofst(.L.str.6)
+; PIC-MIPS64R2-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R2-NEXT: .LBB0_10: # %return
+; PIC-MIPS64R2-NEXT: ld $2, 8($sp)
+; PIC-MIPS64R2-NEXT: jr $ra
+; PIC-MIPS64R2-NEXT: daddiu $sp, $sp, 16
+;
+; PIC-MIPS64R6-LABEL: _Z3fooi:
+; PIC-MIPS64R6: # %bb.0: # %entry
+; PIC-MIPS64R6-NEXT: daddiu $sp, $sp, -16
+; PIC-MIPS64R6-NEXT: .cfi_def_cfa_offset 16
+; PIC-MIPS64R6-NEXT: lui $1, %hi(%neg(%gp_rel(_Z3fooi)))
+; PIC-MIPS64R6-NEXT: daddu $1, $1, $25
+; PIC-MIPS64R6-NEXT: daddiu $2, $1, %lo(%neg(%gp_rel(_Z3fooi)))
+; PIC-MIPS64R6-NEXT: sw $4, 4($sp)
+; PIC-MIPS64R6-NEXT: lwu $3, 4($sp)
+; PIC-MIPS64R6-NEXT: sltiu $1, $3, 7
+; PIC-MIPS64R6-NEXT: beqzc $1, .LBB0_3
+; PIC-MIPS64R6-NEXT: .LBB0_1: # %entry
+; PIC-MIPS64R6-NEXT: dsll $1, $3, 3
+; PIC-MIPS64R6-NEXT: ld $3, %got_page(.LJTI0_0)($2)
+; PIC-MIPS64R6-NEXT: daddu $1, $1, $3
+; PIC-MIPS64R6-NEXT: ld $1, %got_ofst(.LJTI0_0)($1)
+; PIC-MIPS64R6-NEXT: daddu $1, $1, $2
+; PIC-MIPS64R6-NEXT: jr.hb $1
+; PIC-MIPS64R6-NEXT: nop
+; PIC-MIPS64R6-NEXT: .LBB0_2: # %sw.bb
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_3: # %sw.epilog
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.7)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.7)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_4: # %sw.bb1
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.1)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.1)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_5: # %sw.bb2
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.2)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.2)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_6: # %sw.bb3
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.3)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.3)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_7: # %sw.bb4
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.4)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.4)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_8: # %sw.bb5
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.5)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.5)
+; PIC-MIPS64R6-NEXT: b .LBB0_10
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_9: # %sw.bb6
+; PIC-MIPS64R6-NEXT: ld $1, %got_page(.L.str.6)($2)
+; PIC-MIPS64R6-NEXT: daddiu $1, $1, %got_ofst(.L.str.6)
+; PIC-MIPS64R6-NEXT: sd $1, 8($sp)
+; PIC-MIPS64R6-NEXT: .LBB0_10: # %return
+; PIC-MIPS64R6-NEXT: ld $2, 8($sp)
+; PIC-MIPS64R6-NEXT: jr $ra
+; PIC-MIPS64R6-NEXT: daddiu $sp, $sp, 16
+entry:
+ %retval = alloca i8*, align 8
+ %Letter.addr = alloca i32, align 4
+ store i32 %Letter, i32* %Letter.addr, align 4
+ %0 = load i32, i32* %Letter.addr, align 4
+ switch i32 %0, label %sw.epilog [
+ i32 0, label %sw.bb
+ i32 1, label %sw.bb1
+ i32 2, label %sw.bb2
+ i32 3, label %sw.bb3
+ i32 4, label %sw.bb4
+ i32 5, label %sw.bb5
+ i32 6, label %sw.bb6
+ ]
+
+sw.bb:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.bb1:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.bb2:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.bb3:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.bb4:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.bb5:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.bb6:
+ store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+sw.epilog:
+ store i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.7, i32 0, i32 0), i8** %retval, align 8
+ br label %return
+
+return:
+ %1 = load i8*, i8** %retval, align 8
+ ret i8* %1
+}
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; Except for the NACL version which isn't parsed by update_llc_test_checks.py
+
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -force-mips-long-branch -O3 \
+; RUN: -mcpu=mips32r2 -mattr=+use-indirect-jump-hazard -relocation-model=pic \
+; RUN: -verify-machineinstrs < %s | FileCheck %s -check-prefix=O32-PIC
+
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r6 \
+; RUN: -force-mips-long-branch -O3 -mattr=+use-indirect-jump-hazard \
+; RUN: -relocation-model=pic -verify-machineinstrs < %s \
+; RUN: | FileCheck %s -check-prefix=O32-R6-PIC
+
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n64 \
+; RUN: -force-mips-long-branch -O3 -relocation-model=pic \
+; RUN: -mattr=+use-indirect-jump-hazard -verify-machineinstrs \
+; RUN: < %s | FileCheck %s -check-prefix=MIPS64
+
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r6 -target-abi=n64 \
+; RUN: -force-mips-long-branch -O3 -mattr=+use-indirect-jump-hazard \
+; RUN: -relocation-model=pic -verify-machineinstrs < %s \
+; RUN: | FileCheck %s -check-prefix=N64-R6
+
+; Test that the long branches also get changed to their hazard variants.
+
+@x = external global i32
+
+define void @test1(i32 signext %s) {
+; O32-PIC-LABEL: test1:
+; O32-PIC: # %bb.0: # %entry
+; O32-PIC-NEXT: lui $2, %hi(_gp_disp)
+; O32-PIC-NEXT: addiu $2, $2, %lo(_gp_disp)
+; O32-PIC-NEXT: bnez $4, $BB0_3
+; O32-PIC-NEXT: addu $2, $2, $25
+; O32-PIC-NEXT: # %bb.1: # %entry
+; O32-PIC-NEXT: addiu $sp, $sp, -8
+; O32-PIC-NEXT: sw $ra, 0($sp)
+; O32-PIC-NEXT: lui $1, %hi(($BB0_4)-($BB0_2))
+; O32-PIC-NEXT: bal $BB0_2
+; O32-PIC-NEXT: addiu $1, $1, %lo(($BB0_4)-($BB0_2))
+; O32-PIC-NEXT: $BB0_2: # %entry
+; O32-PIC-NEXT: addu $1, $ra, $1
+; O32-PIC-NEXT: lw $ra, 0($sp)
+; O32-PIC-NEXT: jr.hb $1
+; O32-PIC-NEXT: addiu $sp, $sp, 8
+; O32-PIC-NEXT: $BB0_3: # %then
+; O32-PIC-NEXT: lw $1, %got(x)($2)
+; O32-PIC-NEXT: addiu $2, $zero, 1
+; O32-PIC-NEXT: sw $2, 0($1)
+; O32-PIC-NEXT: $BB0_4: # %end
+; O32-PIC-NEXT: jr $ra
+; O32-PIC-NEXT: nop
+;
+; O32-R6-PIC-LABEL: test1:
+; O32-R6-PIC: # %bb.0: # %entry
+; O32-R6-PIC-NEXT: lui $2, %hi(_gp_disp)
+; O32-R6-PIC-NEXT: addiu $2, $2, %lo(_gp_disp)
+; O32-R6-PIC-NEXT: bnez $4, $BB0_3
+; O32-R6-PIC-NEXT: addu $2, $2, $25
+; O32-R6-PIC-NEXT: # %bb.1: # %entry
+; O32-R6-PIC-NEXT: addiu $sp, $sp, -8
+; O32-R6-PIC-NEXT: sw $ra, 0($sp)
+; O32-R6-PIC-NEXT: lui $1, %hi(($BB0_4)-($BB0_2))
+; O32-R6-PIC-NEXT: addiu $1, $1, %lo(($BB0_4)-($BB0_2))
+; O32-R6-PIC-NEXT: balc $BB0_2
+; O32-R6-PIC-NEXT: $BB0_2: # %entry
+; O32-R6-PIC-NEXT: addu $1, $ra, $1
+; O32-R6-PIC-NEXT: lw $ra, 0($sp)
+; O32-R6-PIC-NEXT: jr.hb $1
+; O32-R6-PIC-NEXT: addiu $sp, $sp, 8
+; O32-R6-PIC-NEXT: $BB0_3: # %then
+; O32-R6-PIC-NEXT: lw $1, %got(x)($2)
+; O32-R6-PIC-NEXT: addiu $2, $zero, 1
+; O32-R6-PIC-NEXT: sw $2, 0($1)
+; O32-R6-PIC-NEXT: $BB0_4: # %end
+; O32-R6-PIC-NEXT: jrc $ra
+;
+; MIPS64-LABEL: test1:
+; MIPS64: # %bb.0: # %entry
+; MIPS64-NEXT: lui $1, %hi(%neg(%gp_rel(test1)))
+; MIPS64-NEXT: bnez $4, .LBB0_3
+; MIPS64-NEXT: daddu $2, $1, $25
+; MIPS64-NEXT: # %bb.1: # %entry
+; MIPS64-NEXT: daddiu $sp, $sp, -16
+; MIPS64-NEXT: sd $ra, 0($sp)
+; MIPS64-NEXT: daddiu $1, $zero, %hi(.LBB0_4-.LBB0_2)
+; MIPS64-NEXT: dsll $1, $1, 16
+; MIPS64-NEXT: bal .LBB0_2
+; MIPS64-NEXT: daddiu $1, $1, %lo(.LBB0_4-.LBB0_2)
+; MIPS64-NEXT: .LBB0_2: # %entry
+; MIPS64-NEXT: daddu $1, $ra, $1
+; MIPS64-NEXT: ld $ra, 0($sp)
+; MIPS64-NEXT: jr.hb $1
+; MIPS64-NEXT: daddiu $sp, $sp, 16
+; MIPS64-NEXT: .LBB0_3: # %then
+; MIPS64-NEXT: daddiu $1, $2, %lo(%neg(%gp_rel(test1)))
+; MIPS64-NEXT: addiu $2, $zero, 1
+; MIPS64-NEXT: ld $1, %got_disp(x)($1)
+; MIPS64-NEXT: sw $2, 0($1)
+; MIPS64-NEXT: .LBB0_4: # %end
+; MIPS64-NEXT: jr $ra
+; MIPS64-NEXT: nop
+;
+; N64-R6-LABEL: test1:
+; N64-R6: # %bb.0: # %entry
+; N64-R6-NEXT: lui $1, %hi(%neg(%gp_rel(test1)))
+; N64-R6-NEXT: bnez $4, .LBB0_3
+; N64-R6-NEXT: daddu $2, $1, $25
+; N64-R6-NEXT: # %bb.1: # %entry
+; N64-R6-NEXT: daddiu $sp, $sp, -16
+; N64-R6-NEXT: sd $ra, 0($sp)
+; N64-R6-NEXT: daddiu $1, $zero, %hi(.LBB0_4-.LBB0_2)
+; N64-R6-NEXT: dsll $1, $1, 16
+; N64-R6-NEXT: daddiu $1, $1, %lo(.LBB0_4-.LBB0_2)
+; N64-R6-NEXT: balc .LBB0_2
+; N64-R6-NEXT: .LBB0_2: # %entry
+; N64-R6-NEXT: daddu $1, $ra, $1
+; N64-R6-NEXT: ld $ra, 0($sp)
+; N64-R6-NEXT: jr.hb $1
+; N64-R6-NEXT: daddiu $sp, $sp, 16
+; N64-R6-NEXT: .LBB0_3: # %then
+; N64-R6-NEXT: daddiu $1, $2, %lo(%neg(%gp_rel(test1)))
+; N64-R6-NEXT: addiu $2, $zero, 1
+; N64-R6-NEXT: ld $1, %got_disp(x)($1)
+; N64-R6-NEXT: sw $2, 0($1)
+; N64-R6-NEXT: .LBB0_4: # %end
+; N64-R6-NEXT: jrc $ra
+entry:
+ %cmp = icmp eq i32 %s, 0
+ br i1 %cmp, label %end, label %then
+
+then:
+ store i32 1, i32* @x, align 4
+ br label %end
+
+end:
+ ret void
+
+}
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=mips-unknwon-linux-gnu -mcpu=mips32r2 \
+; RUN: -mattr=+use-indirect-jump-hazard,+long-calls,+noabicalls %s -o - \
+; RUN: -verify-machineinstrs | FileCheck -check-prefix=O32 %s
+
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -mcpu=mips64r2 -target-abi n32 \
+; RUN: -mattr=+use-indirect-jump-hazard,+long-calls,+noabicalls %s -o - \
+; RUN: -verify-machineinstrs | FileCheck -check-prefix=N32 %s
+
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -mcpu=mips64r2 -target-abi n64 \
+; RUN: -mattr=+use-indirect-jump-hazard,+long-calls,+noabicalls %s -o - \
+; RUN: -verify-machineinstrs | FileCheck -check-prefix=N64 %s
+
+declare void @callee()
+declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1)
+
+@val = internal unnamed_addr global [20 x i32] zeroinitializer, align 4
+
+; Test that the long call sequence uses the hazard barrier instruction variant.
+define void @caller() {
+; O32-LABEL: caller:
+; O32: # %bb.0:
+; O32-NEXT: addiu $sp, $sp, -24
+; O32-NEXT: .cfi_def_cfa_offset 24
+; O32-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
+; O32-NEXT: .cfi_offset 31, -4
+; O32-NEXT: lui $1, %hi(callee)
+; O32-NEXT: addiu $25, $1, %lo(callee)
+; O32-NEXT: jalr.hb $25
+; O32-NEXT: nop
+; O32-NEXT: addiu $1, $zero, %lo(memset)
+; O32-NEXT: lui $2, %hi(memset)
+; O32-NEXT: addu $25, $2, $1
+; O32-NEXT: lui $1, %hi(val)
+; O32-NEXT: addiu $4, $1, %lo(val)
+; O32-NEXT: addiu $5, $zero, 0
+; O32-NEXT: jalr.hb $25
+; O32-NEXT: addiu $6, $zero, 80
+; O32-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
+; O32-NEXT: jr $ra
+; O32-NEXT: addiu $sp, $sp, 24
+;
+; N32-LABEL: caller:
+; N32: # %bb.0:
+; N32-NEXT: addiu $sp, $sp, -16
+; N32-NEXT: .cfi_def_cfa_offset 16
+; N32-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
+; N32-NEXT: .cfi_offset 31, -8
+; N32-NEXT: lui $1, %hi(callee)
+; N32-NEXT: addiu $25, $1, %lo(callee)
+; N32-NEXT: jalr.hb $25
+; N32-NEXT: nop
+; N32-NEXT: addiu $1, $zero, %lo(memset)
+; N32-NEXT: lui $2, %hi(memset)
+; N32-NEXT: addu $25, $2, $1
+; N32-NEXT: lui $1, %hi(val)
+; N32-NEXT: addiu $4, $1, %lo(val)
+; N32-NEXT: daddiu $5, $zero, 0
+; N32-NEXT: jalr.hb $25
+; N32-NEXT: daddiu $6, $zero, 80
+; N32-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload
+; N32-NEXT: jr $ra
+; N32-NEXT: addiu $sp, $sp, 16
+;
+; N64-LABEL: caller:
+; N64: # %bb.0:
+; N64-NEXT: daddiu $sp, $sp, -16
+; N64-NEXT: .cfi_def_cfa_offset 16
+; N64-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill
+; N64-NEXT: .cfi_offset 31, -8
+; N64-NEXT: lui $1, %highest(callee)
+; N64-NEXT: daddiu $1, $1, %higher(callee)
+; N64-NEXT: dsll $1, $1, 16
+; N64-NEXT: daddiu $1, $1, %hi(callee)
+; N64-NEXT: dsll $1, $1, 16
+; N64-NEXT: daddiu $25, $1, %lo(callee)
+; N64-NEXT: jalr.hb $25
+; N64-NEXT: nop
+; N64-NEXT: daddiu $1, $zero, %higher(memset)
+; N64-NEXT: lui $2, %highest(memset)
+; N64-NEXT: daddu $1, $2, $1
+; N64-NEXT: dsll $1, $1, 16
+; N64-NEXT: lui $2, %hi(memset)
+; N64-NEXT: daddu $1, $1, $2
+; N64-NEXT: dsll $1, $1, 16
+; N64-NEXT: daddiu $2, $zero, %lo(memset)
+; N64-NEXT: daddu $25, $1, $2
+; N64-NEXT: lui $1, %highest(val)
+; N64-NEXT: daddiu $1, $1, %higher(val)
+; N64-NEXT: dsll $1, $1, 16
+; N64-NEXT: daddiu $1, $1, %hi(val)
+; N64-NEXT: dsll $1, $1, 16
+; N64-NEXT: daddiu $4, $1, %lo(val)
+; N64-NEXT: daddiu $5, $zero, 0
+; N64-NEXT: jalr.hb $25
+; N64-NEXT: daddiu $6, $zero, 80
+; N64-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload
+; N64-NEXT: jr $ra
+; N64-NEXT: daddiu $sp, $sp, 16
+ call void @callee()
+ call void @llvm.memset.p0i8.i32(i8* align 4 bitcast ([20 x i32]* @val to i8*), i8 0, i32 80, i1 false)
+ ret void
+}
+
--- /dev/null
+; RUN: not llc -mtriple=mips-unknown-linux -mcpu=mips32r2 -mattr=+micromips,+use-indirect-jump-hazard %s 2>&1 | FileCheck %s
+
+; Test that microMIPS and indirect jump with hazard barriers is not supported.
+
+; CHECK: LLVM ERROR: cannot combine indirect jumps with hazard barriers and microMIPS
--- /dev/null
+; RUN: not llc -mtriple=mips-unknown-linux -mcpu=mips32 -mattr=+use-indirect-jump-hazard %s 2>&1 | FileCheck %s
+
+; Test that mips32 and indirect jump with hazard barriers is not supported.
+
+; CHECK: LLVM ERROR: indirect jumps with hazard barriers requires MIPS32R2 or later
OSDN Git Service
