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R600/SI: Fix asam errors in SIFoldOperands

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We were trying to fold into implicit uses, which led to out of bounds
access of the MCInstrDesc::OpInfo arrray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229533 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2015-02-17 20:11:54 +00:00
parent 544843cee1
commit ec5b9ab433
3 changed files with 6 additions and 5 deletions
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3
lib/Target/R600/SIFoldOperands.cpp
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@@ -203,7 +203,8 @@ bool SIFoldOperands::runOnMachineFunction(MachineFunction &MF) {
const MachineOperand &UseOp = UseMI->getOperand(Use.getOperandNo());
// FIXME: Fold operands with subregs.
if (UseOp.isReg() && UseOp.getSubReg() && OpToFold.isReg()) {
if (UseOp.isReg() && ((UseOp.getSubReg() && OpToFold.isReg()) ||
UseOp.isImplicit())) {
continue;
}