From a50d53e5ef9f2ef9866937511075f873e31d7c1d Mon Sep 17 00:00:00 2001 From: Nate Begeman Date: Tue, 23 Aug 2005 05:42:36 +0000 Subject: [PATCH] Add an option to make SetCC illegal as a beta option git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22979 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCISelLowering.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 8271bca3d7e..11445a82dd0 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/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); // -- 2.34.1