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R600/SI: Fix SIFixSGPRCopies for copies to physical registers

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This shows up when operands required to be passed in VCC are copied
to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223208 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-12-03 05:22:39 +00:00
parent 5c2d295d86
commit a4ec31ed52
1 changed files with 6 additions and 1 deletions
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7
lib/Target/R600/SIFixSGPRCopies.cpp
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@ -182,7 +182,12 @@ bool SIFixSGPRCopies::isVGPRToSGPRCopy(const MachineInstr &Copy,
unsigned DstReg = Copy.getOperand(0).getReg();
unsigned SrcReg = Copy.getOperand(1).getReg();
unsigned SrcSubReg = Copy.getOperand(1).getSubReg();
const TargetRegisterClass *DstRC = MRI.getRegClass(DstReg);
const TargetRegisterClass *DstRC
= TargetRegisterInfo::isVirtualRegister(DstReg) ?
MRI.getRegClass(DstReg) :
TRI->getRegClass(DstReg);
const TargetRegisterClass *SrcRC;
if (!TargetRegisterInfo::isVirtualRegister(SrcReg) ||