diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 8271bca3d7e8..11445a82dd06 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -17,9 +17,15 @@ #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/SelectionDAG.h" #include "llvm/Function.h" +#include "llvm/Support/CommandLine.h" using namespace llvm; +namespace llvm { + cl::opt SetCCIllegal("-ppc-setcc-is-illegal", cl::Hidden, + cl::desc("Make ISD::SETCC illegal on PowerPC")); +} + PPC32TargetLowering::PPC32TargetLowering(TargetMachine &TM) : TargetLowering(TM) { @@ -78,6 +84,10 @@ PPC32TargetLowering::PPC32TargetLowering(TargetMachine &TM) setOperationAction(ISD::SINT_TO_FP, MVT::i32, Expand); setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand); + // PowerPC does not have SETCC + if (SetCCIllegal) + setOperationAction(ISD::SETCC, MVT::i32, Expand); + setSetCCResultContents(ZeroOrOneSetCCResult); addLegalFPImmediate(+0.0); // Necessary for FSEL addLegalFPImmediate(-0.0); //