From 9eec6599521ba64e59da4a5e5fdc79ba6964dbc6 Mon Sep 17 00:00:00 2001 From: Michael Ilseman Date: Wed, 28 Nov 2012 21:19:52 +0000 Subject: [PATCH] Fixed bad test case git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168815 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/VMCore/IRBuilderTest.cpp | 55 ++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/unittests/VMCore/IRBuilderTest.cpp b/unittests/VMCore/IRBuilderTest.cpp index 0f3e48d76c3..affd7b0fb16 100644 --- a/unittests/VMCore/IRBuilderTest.cpp +++ b/unittests/VMCore/IRBuilderTest.cpp @@ -166,4 +166,59 @@ TEST_F(IRBuilderTest, FastMathFlags) { } +TEST_F(IRBuilderTest, FastMathFlags) { + IRBuilder<> Builder(BB); + Value *F; + Instruction *FDiv, *FAdd; + + F = Builder.CreateLoad(GV); + F = Builder.CreateFAdd(F, F); + + EXPECT_FALSE(Builder.getFastMathFlags().any()); + ASSERT_TRUE(isa(F)); + FAdd = cast(F); + EXPECT_FALSE(FAdd->hasNoNaNs()); + + FastMathFlags FMF; + Builder.SetFastMathFlags(FMF); + + F = Builder.CreateFAdd(F, F); + EXPECT_FALSE(Builder.getFastMathFlags().any()); + + FMF.UnsafeAlgebra = true; + Builder.SetFastMathFlags(FMF); + + F = Builder.CreateFAdd(F, F); + EXPECT_TRUE(Builder.getFastMathFlags().any()); + ASSERT_TRUE(isa(F)); + FAdd = cast(F); + EXPECT_TRUE(FAdd->hasNoNaNs()); + + F = Builder.CreateFDiv(F, F); + EXPECT_TRUE(Builder.getFastMathFlags().any()); + EXPECT_TRUE(Builder.getFastMathFlags().UnsafeAlgebra); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_TRUE(FDiv->hasAllowReciprocal()); + + Builder.clearFastMathFlags(); + + F = Builder.CreateFDiv(F, F); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_FALSE(FDiv->hasAllowReciprocal()); + + FMF.clear(); + FMF.AllowReciprocal = true; + Builder.SetFastMathFlags(FMF); + + F = Builder.CreateFDiv(F, F); + EXPECT_TRUE(Builder.getFastMathFlags().any()); + EXPECT_TRUE(Builder.getFastMathFlags().AllowReciprocal); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_TRUE(FDiv->hasAllowReciprocal()); + +} + } -- 2.34.1