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Incorrect SETCC CondCode used for FP comparisons.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28433 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-05-23 06:40:47 +00:00
parent 95942d76f4
commit f6f9581983
1 changed files with 20 additions and 9 deletions
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29
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -512,13 +512,20 @@ public:
visitShift(I, I.getType()->isUnsigned() ? ISD::SRL : ISD::SRA);
}
void visitSetCC(User &I, ISD::CondCode SignedOpc, ISD::CondCode UnsignedOpc);
void visitSetEQ(User &I) { visitSetCC(I, ISD::SETEQ, ISD::SETEQ); }
void visitSetNE(User &I) { visitSetCC(I, ISD::SETNE, ISD::SETNE); }
void visitSetLE(User &I) { visitSetCC(I, ISD::SETLE, ISD::SETULE); }
void visitSetGE(User &I) { visitSetCC(I, ISD::SETGE, ISD::SETUGE); }
void visitSetLT(User &I) { visitSetCC(I, ISD::SETLT, ISD::SETULT); }
void visitSetGT(User &I) { visitSetCC(I, ISD::SETGT, ISD::SETUGT); }
void visitSetCC(User &I, ISD::CondCode SignedOpc, ISD::CondCode UnsignedOpc,
ISD::CondCode FPOpc);
void visitSetEQ(User &I) { visitSetCC(I, ISD::SETEQ, ISD::SETEQ,
ISD::SETOEQ); }
void visitSetNE(User &I) { visitSetCC(I, ISD::SETNE, ISD::SETNE,
ISD::SETUNE); }
void visitSetLE(User &I) { visitSetCC(I, ISD::SETLE, ISD::SETULE,
ISD::SETOLE); }
void visitSetGE(User &I) { visitSetCC(I, ISD::SETGE, ISD::SETUGE,
ISD::SETOGE); }
void visitSetLT(User &I) { visitSetCC(I, ISD::SETLT, ISD::SETULT,
ISD::SETOLT); }
void visitSetGT(User &I) { visitSetCC(I, ISD::SETGT, ISD::SETUGT,
ISD::SETOGT); }
void visitExtractElement(User &I);
void visitInsertElement(User &I);
@ -1092,11 +1099,15 @@ void SelectionDAGLowering::visitShift(User &I, unsigned Opcode) {
}
void SelectionDAGLowering::visitSetCC(User &I,ISD::CondCode SignedOpcode,
ISD::CondCode UnsignedOpcode) {
ISD::CondCode UnsignedOpcode,
ISD::CondCode FPOpcode) {
SDOperand Op1 = getValue(I.getOperand(0));
SDOperand Op2 = getValue(I.getOperand(1));
ISD::CondCode Opcode = SignedOpcode;
if (I.getOperand(0)->getType()->isUnsigned())
if ((!UnsafeFPMath && !FiniteOnlyFPMath) &&
I.getOperand(0)->getType()->isFloatingPoint())
Opcode = FPOpcode;
else if (I.getOperand(0)->getType()->isUnsigned())
Opcode = UnsignedOpcode;
setValue(&I, DAG.getSetCC(MVT::i1, Op1, Op2, Opcode));
}