diff options
Diffstat (limited to 'unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | unittests/Support/ConstantRangeTest.cpp | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index 091ecd4a..161e2cf 100644 --- a/unittests/Support/ConstantRangeTest.cpp +++ b/unittests/Support/ConstantRangeTest.cpp @@ -8,6 +8,7 @@ //===----------------------------------------------------------------------===// #include "llvm/Support/ConstantRange.h" +#include "llvm/Instructions.h" #include "gtest/gtest.h" @@ -146,6 +147,22 @@ TEST_F(ConstantRangeTest, GetMinsAndMaxes) { APInt(4, 7)); } +TEST_F(ConstantRangeTest, SignWrapped) { + EXPECT_TRUE(Full.isSignWrappedSet()); + EXPECT_FALSE(Empty.isSignWrappedSet()); + EXPECT_FALSE(One.isSignWrappedSet()); + EXPECT_FALSE(Some.isSignWrappedSet()); + EXPECT_TRUE(Wrap.isSignWrappedSet()); + + EXPECT_FALSE(ConstantRange(APInt(8, 127), APInt(8, 128)).isSignWrappedSet()); + EXPECT_TRUE(ConstantRange(APInt(8, 127), APInt(8, 129)).isSignWrappedSet()); + EXPECT_FALSE(ConstantRange(APInt(8, 128), APInt(8, 129)).isSignWrappedSet()); + EXPECT_TRUE(ConstantRange(APInt(8, 10), APInt(8, 9)).isSignWrappedSet()); + EXPECT_TRUE(ConstantRange(APInt(8, 10), APInt(8, 250)).isSignWrappedSet()); + EXPECT_FALSE(ConstantRange(APInt(8, 250), APInt(8, 10)).isSignWrappedSet()); + EXPECT_FALSE(ConstantRange(APInt(8, 250), APInt(8, 251)).isSignWrappedSet()); +} + TEST_F(ConstantRangeTest, Trunc) { ConstantRange TFull = Full.truncate(10); ConstantRange TEmpty = Empty.truncate(10); @@ -154,8 +171,8 @@ TEST_F(ConstantRangeTest, Trunc) { ConstantRange TWrap = Wrap.truncate(10); EXPECT_TRUE(TFull.isFullSet()); EXPECT_TRUE(TEmpty.isEmptySet()); - EXPECT_EQ(TOne, ConstantRange(APInt(One.getLower()).trunc(10), - APInt(One.getUpper()).trunc(10))); + EXPECT_EQ(TOne, ConstantRange(One.getLower().trunc(10), + One.getUpper().trunc(10))); EXPECT_TRUE(TSome.isFullSet()); } @@ -167,12 +184,11 @@ TEST_F(ConstantRangeTest, ZExt) { ConstantRange ZWrap = Wrap.zeroExtend(20); EXPECT_EQ(ZFull, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); EXPECT_TRUE(ZEmpty.isEmptySet()); - EXPECT_EQ(ZOne, ConstantRange(APInt(One.getLower()).zext(20), - APInt(One.getUpper()).zext(20))); - EXPECT_EQ(ZSome, ConstantRange(APInt(Some.getLower()).zext(20), - APInt(Some.getUpper()).zext(20))); - EXPECT_EQ(ZWrap, ConstantRange(APInt(Wrap.getLower()).zext(20), - APInt(Wrap.getUpper()).zext(20))); + EXPECT_EQ(ZOne, ConstantRange(One.getLower().zext(20), + One.getUpper().zext(20))); + EXPECT_EQ(ZSome, ConstantRange(Some.getLower().zext(20), + Some.getUpper().zext(20))); + EXPECT_EQ(ZWrap, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); } TEST_F(ConstantRangeTest, SExt) { @@ -184,12 +200,15 @@ TEST_F(ConstantRangeTest, SExt) { EXPECT_EQ(SFull, ConstantRange(APInt(20, (uint64_t)INT16_MIN, true), APInt(20, INT16_MAX + 1, true))); EXPECT_TRUE(SEmpty.isEmptySet()); - EXPECT_EQ(SOne, ConstantRange(APInt(One.getLower()).sext(20), - APInt(One.getUpper()).sext(20))); - EXPECT_EQ(SSome, ConstantRange(APInt(Some.getLower()).sext(20), - APInt(Some.getUpper()).sext(20))); - EXPECT_EQ(SWrap, ConstantRange(APInt(Wrap.getLower()).sext(20), - APInt(Wrap.getUpper()).sext(20))); + EXPECT_EQ(SOne, ConstantRange(One.getLower().sext(20), + One.getUpper().sext(20))); + EXPECT_EQ(SSome, ConstantRange(Some.getLower().sext(20), + Some.getUpper().sext(20))); + EXPECT_EQ(SWrap, ConstantRange(APInt(20, (uint64_t)INT16_MIN, true), + APInt(20, INT16_MAX + 1, true))); + + EXPECT_EQ(ConstantRange(APInt(8, 120), APInt(8, 140)).signExtend(16), + ConstantRange(APInt(16, -128), APInt(16, 128))); } TEST_F(ConstantRangeTest, IntersectWith) { @@ -411,4 +430,11 @@ TEST_F(ConstantRangeTest, Lshr) { EXPECT_EQ(Wrap.lshr(Wrap), Full); } +TEST(ConstantRange, MakeICmpRegion) { + // PR8250 + ConstantRange SMax = ConstantRange(APInt::getSignedMaxValue(32)); + EXPECT_TRUE(ConstantRange::makeICmpRegion(ICmpInst::ICMP_SGT, + SMax).isEmptySet()); +} + } // anonymous namespace |
