diff options
Diffstat (limited to 'llvm/unittests')
| -rw-r--r-- | llvm/unittests/IR/ConstantRangeTest.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/unittests/IR/ConstantRangeTest.cpp b/llvm/unittests/IR/ConstantRangeTest.cpp index b7e6235cec3..351256d4993 100644 --- a/llvm/unittests/IR/ConstantRangeTest.cpp +++ b/llvm/unittests/IR/ConstantRangeTest.cpp @@ -606,6 +606,33 @@ TEST_F(ConstantRangeTest, Lshr) { EXPECT_EQ(Wrap.lshr(Wrap), Full); } +TEST_F(ConstantRangeTest, Ashr) { + EXPECT_EQ(Full.ashr(Full), Full); + EXPECT_EQ(Full.ashr(Empty), Empty); + EXPECT_EQ(Full.ashr(One), ConstantRange(APInt(16, 0xffe0), + APInt(16, (0x7fff >> 0xa) + 1 ))); + ConstantRange Small(APInt(16, 0xa), APInt(16, 0xb)); + EXPECT_EQ(Full.ashr(Small), ConstantRange(APInt(16, 0xffe0), + APInt(16, (0x7fff >> 0xa) + 1 ))); + EXPECT_EQ(Full.ashr(Some), ConstantRange(APInt(16, 0xffe0), + APInt(16, (0x7fff >> 0xa) + 1 ))); + EXPECT_EQ(Full.ashr(Wrap), Full); + EXPECT_EQ(Empty.ashr(Empty), Empty); + EXPECT_EQ(Empty.ashr(One), Empty); + EXPECT_EQ(Empty.ashr(Some), Empty); + EXPECT_EQ(Empty.ashr(Wrap), Empty); + EXPECT_EQ(One.ashr(One), ConstantRange(APInt(16, 0))); + EXPECT_EQ(One.ashr(Some), ConstantRange(APInt(16, 0))); + EXPECT_EQ(One.ashr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb))); + EXPECT_EQ(Some.ashr(Some), ConstantRange(APInt(16, 0), + APInt(16, (0xaaa >> 0xa) + 1))); + EXPECT_EQ(Some.ashr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa))); + EXPECT_EQ(Wrap.ashr(Wrap), Full); + ConstantRange Neg(APInt(16, 0xf3f0, true), APInt(16, 0xf7f8, true)); + EXPECT_EQ(Neg.ashr(Small), ConstantRange(APInt(16, 0xfffc, true), + APInt(16, 0xfffe, true))); +} + TEST(ConstantRange, MakeAllowedICmpRegion) { // PR8250 ConstantRange SMax = ConstantRange(APInt::getSignedMaxValue(32)); |
