diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIFoldOperands.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIFoldOperands.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index 82789bc..90c828b 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -932,7 +932,9 @@ static MachineOperand *lookUpCopyChain(const SIInstrInfo &TII, for (MachineInstr *SubDef = MRI.getVRegDef(SrcReg); SubDef && TII.isFoldableCopy(*SubDef); SubDef = MRI.getVRegDef(Sub->getReg())) { - MachineOperand &SrcOp = SubDef->getOperand(1); + unsigned SrcIdx = TII.getFoldableCopySrcIdx(*SubDef); + MachineOperand &SrcOp = SubDef->getOperand(SrcIdx); + if (SrcOp.isImm()) return &SrcOp; if (!SrcOp.isReg() || SrcOp.getReg().isPhysical()) |