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AMDGPU: Preserve undef flag in eliminateFrameIndex 

Fixes verifier errors in some call tests.
Not sure why we haven't run into this before.

Test split into separate patch for once
call support is committed.

llvm-svn: 308774
This commit is contained in:
Matt Arsenault 2017-07-21 19:31:44 +00:00
parent f87fa889fe
commit f014d7cbde
1 changed files with 9 additions and 10 deletions
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19
llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
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@ -472,17 +472,16 @@ static bool buildMUBUFOffsetLoadStore(const SIInstrInfo *TII,
if (LoadStoreOp == -1)
return false;
unsigned Reg = TII->getNamedOperand(*MI, AMDGPU::OpName::vdata)->getReg();
const MachineOperand *Reg = TII->getNamedOperand(*MI, AMDGPU::OpName::vdata);
BuildMI(*MBB, MI, DL, TII->get(LoadStoreOp))
.addReg(Reg, getDefRegState(!IsStore))
.add(*TII->getNamedOperand(*MI, AMDGPU::OpName::srsrc))
.add(*TII->getNamedOperand(*MI, AMDGPU::OpName::soffset))
.addImm(Offset)
.addImm(0) // glc
.addImm(0) // slc
.addImm(0) // tfe
.setMemRefs(MI->memoperands_begin(), MI->memoperands_end());
.add(*Reg)
.add(*TII->getNamedOperand(*MI, AMDGPU::OpName::srsrc))
.add(*TII->getNamedOperand(*MI, AMDGPU::OpName::soffset))
.addImm(Offset)
.addImm(0) // glc
.addImm(0) // slc
.addImm(0) // tfe
.setMemRefs(MI->memoperands_begin(), MI->memoperands_end());
return true;
}