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-rw-r--r--lib/VMCore/ConstantFold.cpp20
1 files changed, 3 insertions, 17 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index cc386a8d86..60cd3fbe22 100644
--- a/lib/VMCore/ConstantFold.cpp
+++ b/lib/VMCore/ConstantFold.cpp
@@ -514,10 +514,6 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V,
return UndefValue::get(DestTy);
}
- // No compile-time operations on this type yet.
- if (V->getType()->isPPC_FP128Ty() || DestTy->isPPC_FP128Ty())
- return 0;
-
if (V->isNullValue() && !DestTy->isX86_MMXTy())
return Constant::getNullValue(DestTy);
@@ -576,6 +572,7 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V,
DestTy->isDoubleTy() ? APFloat::IEEEdouble :
DestTy->isX86_FP80Ty() ? APFloat::x87DoubleExtended :
DestTy->isFP128Ty() ? APFloat::IEEEquad :
+ DestTy->isPPC_FP128Ty() ? APFloat::PPCDoubleDouble :
APFloat::Bogus,
APFloat::rmNearestTiesToEven, &ignored);
return ConstantFP::get(V->getContext(), Val);
@@ -646,7 +643,8 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V,
case Instruction::SIToFP:
if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
APInt api = CI->getValue();
- APFloat apf(APInt::getNullValue(DestTy->getPrimitiveSizeInBits()), true);
+ APFloat apf(APInt::getNullValue(DestTy->getPrimitiveSizeInBits()),
+ !DestTy->isPPC_FP128Ty() /* isEEEE */);
(void)apf.convertFromAPInt(api,
opc==Instruction::SIToFP,
APFloat::rmNearestTiesToEven);
@@ -867,10 +865,6 @@ Constant *llvm::ConstantFoldInsertValueInstruction(Constant *Agg,
Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode,
Constant *C1, Constant *C2) {
- // No compile-time operations on this type yet.
- if (C1->getType()->isPPC_FP128Ty())
- return 0;
-
// Handle UndefValue up front.
if (isa<UndefValue>(C1) || isa<UndefValue>(C2)) {
switch (Opcode) {
@@ -1273,10 +1267,6 @@ static FCmpInst::Predicate evaluateFCmpRelation(Constant *V1, Constant *V2) {
assert(V1->getType() == V2->getType() &&
"Cannot compare values of different types!");
- // No compile-time operations on this type yet.
- if (V1->getType()->isPPC_FP128Ty())
- return FCmpInst::BAD_FCMP_PREDICATE;
-
// Handle degenerate case quickly
if (V1 == V2) return FCmpInst::FCMP_OEQ;
@@ -1602,10 +1592,6 @@ Constant *llvm::ConstantFoldCompareInstruction(unsigned short pred,
return ConstantInt::get(ResultTy, CmpInst::isTrueWhenEqual(pred));
}
- // No compile-time operations on this type yet.
- if (C1->getType()->isPPC_FP128Ty())
- return 0;
-
// icmp eq/ne(null,GV) -> false/true
if (C1->isNullValue()) {
if (const GlobalValue *GV = dyn_cast<GlobalValue>(C2))