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R600/SI: Legalize operands after changing dst reg in FixSGPRCopies

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Otherwise we may not legalize some illegal REG_SEQUENCE instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206497 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2014-04-17 21:00:01 +00:00
parent 5540570374
commit 1b011b51ea
1 changed files with 4 additions and 2 deletions
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6
lib/Target/R600/SIInstrInfo.cpp
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@ -991,9 +991,8 @@ void SIInstrInfo::moveToVALU(MachineInstr &TopInst) const {
}
}
legalizeOperands(Inst);
// Update the destination register class.
const TargetRegisterClass *NewDstRC = getOpRegClass(*Inst, 0);
switch (Inst->getOpcode()) {
@ -1019,6 +1018,9 @@ void SIInstrInfo::moveToVALU(MachineInstr &TopInst) const {
unsigned NewDstReg = MRI.createVirtualRegister(NewDstRC);
MRI.replaceRegWith(DstReg, NewDstReg);
// Legalize the operands
legalizeOperands(Inst);
for (MachineRegisterInfo::use_iterator I = MRI.use_begin(NewDstReg),
E = MRI.use_end(); I != E; ++I) {
MachineInstr &UseMI = *I->getParent();