diff options
| -rw-r--r-- | llvm/lib/VMCore/ConstantFold.cpp | 2 | ||||
| -rw-r--r-- | llvm/unittests/VMCore/ConstantsTest.cpp | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/ConstantFold.cpp b/llvm/lib/VMCore/ConstantFold.cpp index 5c284b746de..27676562d4d 100644 --- a/llvm/lib/VMCore/ConstantFold.cpp +++ b/llvm/lib/VMCore/ConstantFold.cpp @@ -637,7 +637,7 @@ 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())); + APFloat apf(APInt::getNullValue(DestTy->getPrimitiveSizeInBits()), true); (void)apf.convertFromAPInt(api, opc==Instruction::SIToFP, APFloat::rmNearestTiesToEven); diff --git a/llvm/unittests/VMCore/ConstantsTest.cpp b/llvm/unittests/VMCore/ConstantsTest.cpp index 8f28407b8de..8277584ba24 100644 --- a/llvm/unittests/VMCore/ConstantsTest.cpp +++ b/llvm/unittests/VMCore/ConstantsTest.cpp @@ -109,5 +109,14 @@ TEST(ConstantsTest, IntSigns) { EXPECT_EQ(0x3b, ConstantInt::get(Int8Ty, 0x13b)->getSExtValue()); } +TEST(ConstantsTest, FP128Test) { + const Type *FP128Ty = Type::getFP128Ty(getGlobalContext()); + + const IntegerType *Int128Ty = Type::getIntNTy(getGlobalContext(), 128); + Constant *Zero128 = Constant::getNullValue(Int128Ty); + Constant *X = ConstantExpr::getUIToFP(Zero128, FP128Ty); + EXPECT_TRUE(isa<ConstantFP>(X)); +} + } // end anonymous namespace } // end namespace llvm |
