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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-10-19 22:11:40 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-10-19 22:11:40 +0000 |
| commit | 30580cea43ac9108627e0616df6a30518ee7c0ef (patch) | |
| tree | bee72a7c2d75d4a5152893f976c02a2a54d2b2bb /lib/Target/Mips | |
| parent | 60f0819cb583799029fa11179576dd7f01d8002a (diff) | |
| download | llvm-30580cea43ac9108627e0616df6a30518ee7c0ef.tar.gz llvm-30580cea43ac9108627e0616df6a30518ee7c0ef.tar.bz2 llvm-30580cea43ac9108627e0616df6a30518ee7c0ef.tar.xz | |
[mips] Use 64-bit registers to return an sret pointer if target ABI is N64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166344 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index 7b4268667c..5cc9662864 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -3410,7 +3410,8 @@ MipsTargetLowering::LowerFormalArguments(SDValue Chain, if (DAG.getMachineFunction().getFunction()->hasStructRetAttr()) { unsigned Reg = MipsFI->getSRetReturnReg(); if (!Reg) { - Reg = MF.getRegInfo().createVirtualRegister(getRegClassFor(MVT::i32)); + Reg = MF.getRegInfo(). + createVirtualRegister(getRegClassFor(IsN64 ? MVT::i64 : MVT::i32)); MipsFI->setSRetReturnReg(Reg); } SDValue Copy = DAG.getCopyToReg(DAG.getEntryNode(), dl, Reg, InVals[0]); @@ -3539,7 +3540,8 @@ MipsTargetLowering::LowerReturn(SDValue Chain, llvm_unreachable("sret virtual register not created in the entry block"); SDValue Val = DAG.getCopyFromReg(Chain, dl, Reg, getPointerTy()); - Chain = DAG.getCopyToReg(Chain, dl, Mips::V0, Val, Flag); + Chain = DAG.getCopyToReg(Chain, dl, IsN64 ? Mips::V0_64 : Mips::V0, Val, + Flag); Flag = Chain.getValue(1); } |