Update aosp/master LLVM for rebase to r256229

[android-x86/external-llvm.git] / lib / Target / PowerPC / PPCSubtarget.cpp

diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index a8ff4e1..c0fcb6c 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -53,7 +53,7 @@ PPCSubtarget::PPCSubtarget(const Triple &TT, const std::string &CPU,
       IsPPC64(TargetTriple.getArch() == Triple::ppc64 ||
               TargetTriple.getArch() == Triple::ppc64le),
       TM(TM), FrameLowering(initializeSubtargetDependencies(CPU, FS)),
-      InstrInfo(*this), TLInfo(TM, *this), TSInfo(TM.getDataLayout()) {}
+      InstrInfo(*this), TLInfo(TM, *this) {}
 
 void PPCSubtarget::initializeEnvironment() {
   StackAlignment = 16;
@@ -62,6 +62,7 @@ void PPCSubtarget::initializeEnvironment() {
   Has64BitSupport = false;
   Use64BitRegs = false;
   UseCRBits = false;
+  UseSoftFloat = false;
   HasAltivec = false;
   HasSPE = false;
   HasQPX = false;
@@ -91,7 +92,7 @@ void PPCSubtarget::initializeEnvironment() {
   IsPPC4xx = false;
   IsPPC6xx = false;
   IsE500 = false;
-  DeprecatedMFTB = false;
+  FeatureMFTB = false;
   DeprecatedDST = false;
   HasLazyResolverStubs = false;
   HasICBT = false;
@@ -100,6 +101,8 @@ void PPCSubtarget::initializeEnvironment() {
   HasDirectMove = false;
   IsQPXStackUnaligned = false;
   HasHTM = false;
+  HasFusion = false;
+  HasFloat128 = false;
 }
 
 void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
@@ -210,5 +213,33 @@ bool PPCSubtarget::enableSubRegLiveness() const {
   return UseSubRegLiveness;
 }
 
+unsigned char PPCSubtarget::classifyGlobalReference(
+    const GlobalValue *GV) const {
+  // Note that currently we don't generate non-pic references.
+  // If a caller wants that, this will have to be updated.
+
+  // Large code model always uses the TOC even for local symbols.
+  if (TM.getCodeModel() == CodeModel::Large)
+    return PPCII::MO_PIC_FLAG | PPCII::MO_NLP_FLAG;
+
+  unsigned char flags = PPCII::MO_PIC_FLAG;
+
+  // Only if the relocation mode is PIC do we have to worry about
+  // interposition. In all other cases we can use a slightly looser standard to
+  // decide how to access the symbol.
+  if (TM.getRelocationModel() == Reloc::PIC_) {
+    // If it's local, or it's non-default, it can't be interposed.
+    if (!GV->hasLocalLinkage() &&
+        GV->hasDefaultVisibility()) {
+      flags |= PPCII::MO_NLP_FLAG;
+    }
+    return flags;
+  }
+
+  if (GV->isStrongDefinitionForLinker())
+    return flags;
+  return flags | PPCII::MO_NLP_FLAG;
+}
+
 bool PPCSubtarget::isELFv2ABI() const { return TM.isELFv2ABI(); }
 bool PPCSubtarget::isPPC64() const { return TM.isPPC64(); }