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Generate vector compares in codegen 

llvm-svn: 54048
This commit is contained in:
Nate Begeman 2008-07-25 20:16:05 +00:00
parent e7f45b2977
commit fe79ca2ab9
1 changed files with 18 additions and 2 deletions
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20
clang/lib/CodeGen/CGExprScalar.cpp
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@ -911,12 +911,12 @@ Value *ScalarExprEmitter::EmitCompare(const BinaryOperator *E,unsigned UICmpOpc,
unsigned SICmpOpc, unsigned FCmpOpc) {
Value *Result;
QualType LHSTy = E->getLHS()->getType();
if (!LHSTy->isAnyComplexType()) {
if (!LHSTy->isAnyComplexType() && !LHSTy->isVectorType()) {
Value *LHS = Visit(E->getLHS());
Value *RHS = Visit(E->getRHS());
if (LHS->getType()->isFloatingPoint()) {
Result = Builder.CreateFCmp((llvm::FCmpInst::Predicate)FCmpOpc,
Result = Builder.CreateFCmp((llvm::CmpInst::Predicate)FCmpOpc,
LHS, RHS, "cmp");
} else if (LHSTy->isSignedIntegerType()) {
Result = Builder.CreateICmp((llvm::ICmpInst::Predicate)SICmpOpc,
@ -926,6 +926,22 @@ Value *ScalarExprEmitter::EmitCompare(const BinaryOperator *E,unsigned UICmpOpc,
Result = Builder.CreateICmp((llvm::ICmpInst::Predicate)UICmpOpc,
LHS, RHS, "cmp");
}
} else if (LHSTy->isVectorType()) {
Value *LHS = Visit(E->getLHS());
Value *RHS = Visit(E->getRHS());
if (LHS->getType()->isFPOrFPVector()) {
Result = Builder.CreateVFCmp((llvm::CmpInst::Predicate)FCmpOpc,
LHS, RHS, "cmp");
} else if (LHSTy->isUnsignedIntegerType()) {
Result = Builder.CreateVICmp((llvm::CmpInst::Predicate)UICmpOpc,
LHS, RHS, "cmp");
} else {
// Signed integers and pointers.
Result = Builder.CreateVICmp((llvm::CmpInst::Predicate)SICmpOpc,
LHS, RHS, "cmp");
}
return Result;
} else {
// Complex Comparison: can only be an equality comparison.
CodeGenFunction::ComplexPairTy LHS = CGF.EmitComplexExpr(E->getLHS());