diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 5e77a28ecfe..6bf249ceb02 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -4899,15 +4899,22 @@ bool X86TargetLowering::isExtractSubvectorCheap(EVT ResVT, EVT SrcVT, } bool X86TargetLowering::shouldScalarizeBinop(SDValue VecOp) const { + unsigned Opc = VecOp.getOpcode(); + + // Assume target opcodes can't be scalarized. + // TODO - do we have any exceptions? + if (Opc >= ISD::BUILTIN_OP_END) + return false; + // If the vector op is not supported, try to convert to scalar. EVT VecVT = VecOp.getValueType(); - if (!isOperationLegalOrCustomOrPromote(VecOp.getOpcode(), VecVT)) + if (!isOperationLegalOrCustomOrPromote(Opc, VecVT)) return true; // If the vector op is supported, but the scalar op is not, the transform may // not be worthwhile. EVT ScalarVT = VecVT.getScalarType(); - return isOperationLegalOrCustomOrPromote(VecOp.getOpcode(), ScalarVT); + return isOperationLegalOrCustomOrPromote(Opc, ScalarVT); } bool X86TargetLowering::shouldFormOverflowOp(unsigned Opcode, EVT VT) const { |
