}
case Instruction::GetElementPtr: {
Address SavedAddr = Addr;
- uint64_t TmpOffset = Addr.getOffset();
+ int64_t TmpOffset = Addr.getOffset();
// Iterate through the GEP folding the constants into offsets where
// we can.
gep_type_iterator GTI = gep_type_begin(U);
if (Addr.isFIBase()) {
unsigned FI = Addr.getFI();
unsigned Align = 4;
- unsigned Offset = Addr.getOffset();
+ int64_t Offset = Addr.getOffset();
MachineFrameInfo &MFI = MF->getFrameInfo();
MachineMemOperand *MMO = MF->getMachineMemOperand(
MachinePointerInfo::getFixedStack(*MF, FI), MachineMemOperand::MOLoad,
if (Addr.isFIBase()) {
unsigned FI = Addr.getFI();
unsigned Align = 4;
- unsigned Offset = Addr.getOffset();
+ int64_t Offset = Addr.getOffset();
MachineFrameInfo &MFI = MF->getFrameInfo();
MachineMemOperand *MMO = MF->getMachineMemOperand(
MachinePointerInfo::getFixedStack(*MF, FI), MachineMemOperand::MOStore,
--- /dev/null
+; RUN: llc < %s -march=mipsel -mcpu=mips32 -fast-isel -disable-fp-elim -relocation-model=pic < %s
+
+; Test that negative array access don't crash constant synthesis when fast isel
+; generates negative offsets.
+
+define i16 @test() {
+ %a = alloca [4 x i16], align 4
+ %arrayidx = getelementptr inbounds [4 x i16], [4 x i16]* %a, i32 0, i32 -2
+ %b = load i16, i16* %arrayidx, align 2
+ ret i16 %b
+}
+
+define void @test2() {
+ %a = alloca [4 x i16], align 4
+ %arrayidx = getelementptr inbounds [4 x i16], [4 x i16]* %a, i32 0, i32 -2
+ store i16 2, i16* %arrayidx, align 2
+ ret void
+}