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llvm-svn: 194684
This commit is contained in:
Matt Arsenault 2013-11-14 08:06:38 +00:00
parent 269092d747
commit f4760455e8
1 changed files with 3 additions and 1 deletions
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4
llvm/lib/Target/R600/SIInstrInfo.cpp
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@ -440,7 +440,9 @@ void SIInstrInfo::legalizeOperands(MachineInstr *MI) const {
// Legalize VOP2
if (isVOP2(MI->getOpcode()) && Src1Idx != -1) {
MachineOperand &Src1 = MI->getOperand(Src1Idx);
// Legalize VOP2 instructions where src1 is not a VGPR.
// Legalize VOP2 instructions where src1 is not a VGPR. An SGPR input must
// be the first operand, and there can only be one.
if (Src1.isImm() || Src1.isFPImm() ||
(Src1.isReg() && RI.isSGPRClass(MRI.getRegClass(Src1.getReg())))) {
if (MI->isCommutable()) {