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[FPEnv] IRBuilder support for constrained sitofp/uitofp.

This commit is contained in:
Kevin P. Neal 2019-12-17 12:30:41 -05:00
parent ff6567cc77
commit 2f40f5681d
2 changed files with 16 additions and 0 deletions
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6
llvm/include/llvm/IR/IRBuilder.h
View File

@ -2021,10 +2021,16 @@ public:
}
Value *CreateUIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
if (IsFPConstrained)
return CreateConstrainedFPCast(Intrinsic::experimental_constrained_uitofp,
V, DestTy, nullptr, Name);
return CreateCast(Instruction::UIToFP, V, DestTy, Name);
}
Value *CreateSIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
if (IsFPConstrained)
return CreateConstrainedFPCast(Intrinsic::experimental_constrained_sitofp,
V, DestTy, nullptr, Name);
return CreateCast(Instruction::SIToFP, V, DestTy, Name);
}

10
llvm/unittests/IR/IRBuilderTest.cpp
View File

@ -222,6 +222,16 @@ TEST_F(IRBuilderTest, ConstrainedFP) {
II = cast<IntrinsicInst>(VInt);
EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fptosi);
VDouble = Builder.CreateUIToFP(VInt, Builder.getDoubleTy());
ASSERT_TRUE(isa<IntrinsicInst>(VDouble));
II = cast<IntrinsicInst>(VDouble);
EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_uitofp);
VDouble = Builder.CreateSIToFP(VInt, Builder.getDoubleTy());
ASSERT_TRUE(isa<IntrinsicInst>(VDouble));
II = cast<IntrinsicInst>(VDouble);
EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_sitofp);
V = Builder.CreateFPTrunc(VDouble, Type::getFloatTy(Ctx));
ASSERT_TRUE(isa<IntrinsicInst>(V));
II = cast<IntrinsicInst>(V);