diff options
| -rw-r--r-- | lib/CodeGen/CalcSpillWeights.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/CalcSpillWeights.cpp b/lib/CodeGen/CalcSpillWeights.cpp index 74c43cc..e6b3bbc 100644 --- a/lib/CodeGen/CalcSpillWeights.cpp +++ b/lib/CodeGen/CalcSpillWeights.cpp @@ -203,6 +203,9 @@ void VirtRegAuxInfo::CalculateRegClass(unsigned reg) { // TRI doesn't have accurate enough information to model this yet. if (I.getOperand().getSubReg()) return; + // Inline asm instuctions don't remember their constraints. + if (I->isInlineAsm()) + return; const TargetRegisterClass *OpRC = TII->getRegClass(I->getDesc(), I.getOperandNo(), TRI); if (OpRC) |