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R600/SI: Fix phys reg copies in SIFoldOperands

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229227 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2015-02-14 02:55:57 +00:00
parent 9b6d620f89
commit e7ff4c1321
1 changed files with 13 additions and 3 deletions
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16
lib/Target/R600/SIFoldOperands.cpp
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@ -210,7 +210,12 @@ bool SIFoldOperands::runOnMachineFunction(MachineFunction &MF) {
APInt Imm; APInt Imm;
if (FoldingImm) { if (FoldingImm) {
const TargetRegisterClass *UseRC = MRI.getRegClass(UseOp.getReg()); unsigned UseReg = UseOp.getReg();
const TargetRegisterClass *UseRC
= TargetRegisterInfo::isVirtualRegister(UseReg) ?
MRI.getRegClass(UseReg) :
TRI.getRegClass(UseReg);
Imm = APInt(64, OpToFold.getImm()); Imm = APInt(64, OpToFold.getImm());
// Split 64-bit constants into 32-bits for folding. // Split 64-bit constants into 32-bits for folding.
@ -229,8 +234,13 @@ bool SIFoldOperands::runOnMachineFunction(MachineFunction &MF) {
// In order to fold immediates into copies, we need to change the // In order to fold immediates into copies, we need to change the
// copy to a MOV. // copy to a MOV.
if (UseMI->getOpcode() == AMDGPU::COPY) { if (UseMI->getOpcode() == AMDGPU::COPY) {
unsigned MovOp = TII->getMovOpcode( unsigned DestReg = UseMI->getOperand(0).getReg();
MRI.getRegClass(UseMI->getOperand(0).getReg())); const TargetRegisterClass *DestRC
= TargetRegisterInfo::isVirtualRegister(DestReg) ?
MRI.getRegClass(DestReg) :
TRI.getRegClass(DestReg);
unsigned MovOp = TII->getMovOpcode(DestRC);
if (MovOp == AMDGPU::COPY) if (MovOp == AMDGPU::COPY)
continue; continue;