forked from OSchip/llvm-project
Add an option to make SetCC illegal as a beta option
llvm-svn: 22979
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@ -17,9 +17,15 @@
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/SelectionDAG.h"
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#include "llvm/CodeGen/SelectionDAG.h"
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#include "llvm/Function.h"
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#include "llvm/Function.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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using namespace llvm;
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namespace llvm {
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cl::opt<bool> SetCCIllegal("-ppc-setcc-is-illegal", cl::Hidden,
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cl::desc("Make ISD::SETCC illegal on PowerPC"));
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}
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PPC32TargetLowering::PPC32TargetLowering(TargetMachine &TM)
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PPC32TargetLowering::PPC32TargetLowering(TargetMachine &TM)
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: TargetLowering(TM) {
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: TargetLowering(TM) {
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@ -78,6 +84,10 @@ PPC32TargetLowering::PPC32TargetLowering(TargetMachine &TM)
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setOperationAction(ISD::SINT_TO_FP, MVT::i32, Expand);
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setOperationAction(ISD::SINT_TO_FP, MVT::i32, Expand);
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setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand);
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setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand);
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// PowerPC does not have SETCC
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if (SetCCIllegal)
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setOperationAction(ISD::SETCC, MVT::i32, Expand);
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setSetCCResultContents(ZeroOrOneSetCCResult);
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setSetCCResultContents(ZeroOrOneSetCCResult);
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addLegalFPImmediate(+0.0); // Necessary for FSEL
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addLegalFPImmediate(+0.0); // Necessary for FSEL
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addLegalFPImmediate(-0.0); //
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addLegalFPImmediate(-0.0); //
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