From: Michael Ilseman <milseman@apple.com>
Date: Wed, 28 Nov 2012 21:19:52 +0000 (+0000)
Subject: Fixed bad test case
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9eec6599521ba64e59da4a5e5fdc79ba6964dbc6;p=oota-llvm.git

Fixed bad test case


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168815 91177308-0d34-0410-b5e6-96231b3b80d8
---

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<Instruction>(F));
+  FAdd = cast<Instruction>(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<Instruction>(F));
+  FAdd = cast<Instruction>(F);
+  EXPECT_TRUE(FAdd->hasNoNaNs());
+
+  F = Builder.CreateFDiv(F, F);
+  EXPECT_TRUE(Builder.getFastMathFlags().any());
+  EXPECT_TRUE(Builder.getFastMathFlags().UnsafeAlgebra);
+  ASSERT_TRUE(isa<Instruction>(F));
+  FDiv = cast<Instruction>(F);
+  EXPECT_TRUE(FDiv->hasAllowReciprocal());
+
+  Builder.clearFastMathFlags();
+
+  F = Builder.CreateFDiv(F, F);
+  ASSERT_TRUE(isa<Instruction>(F));
+  FDiv = cast<Instruction>(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<Instruction>(F));
+  FDiv = cast<Instruction>(F);
+  EXPECT_TRUE(FDiv->hasAllowReciprocal());
+
+}
+
 }