X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FSupport%2FConstantRangeTest.cpp;h=742bcb48ecc7768125b96549faf0a5888cc04107;hb=e747fadedf8c5b80f1a0d5e84078a4428e06098e;hp=fc1f5b8d06ca3a3690fe7bb3804cf514cea954a2;hpb=9773e45a1e97f5098905bac26b8b8b7c844473f0;p=oota-llvm.git diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp index fc1f5b8d06c..742bcb48ecc 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) { @@ -259,11 +278,33 @@ TEST_F(ConstantRangeTest, Add) { EXPECT_EQ(Empty.add(Wrap), Empty); EXPECT_EQ(Empty.add(APInt(16, 4)), Empty); EXPECT_EQ(Some.add(APInt(16, 4)), - ConstantRange(APInt(16, 0xe), APInt(16, 0xaae))); + ConstantRange(APInt(16, 0xe), APInt(16, 0xaae))); EXPECT_EQ(Wrap.add(APInt(16, 4)), - ConstantRange(APInt(16, 0xaae), APInt(16, 0xe))); + ConstantRange(APInt(16, 0xaae), APInt(16, 0xe))); EXPECT_EQ(One.add(APInt(16, 4)), - ConstantRange(APInt(16, 0xe))); + ConstantRange(APInt(16, 0xe))); +} + +TEST_F(ConstantRangeTest, Sub) { + EXPECT_EQ(Full.sub(APInt(16, 4)), Full); + EXPECT_EQ(Full.sub(Full), Full); + EXPECT_EQ(Full.sub(Empty), Empty); + EXPECT_EQ(Full.sub(One), Full); + EXPECT_EQ(Full.sub(Some), Full); + EXPECT_EQ(Full.sub(Wrap), Full); + EXPECT_EQ(Empty.sub(Empty), Empty); + EXPECT_EQ(Empty.sub(One), Empty); + EXPECT_EQ(Empty.sub(Some), Empty); + EXPECT_EQ(Empty.sub(Wrap), Empty); + EXPECT_EQ(Empty.sub(APInt(16, 4)), Empty); + EXPECT_EQ(Some.sub(APInt(16, 4)), + ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6))); + EXPECT_EQ(Some.sub(Some), + ConstantRange(APInt(16, 0xf561), APInt(16, 0xaa0))); + EXPECT_EQ(Wrap.sub(APInt(16, 4)), + ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6))); + EXPECT_EQ(One.sub(APInt(16, 4)), + ConstantRange(APInt(16, 0x6))); } TEST_F(ConstantRangeTest, Multiply) { @@ -351,4 +392,51 @@ TEST_F(ConstantRangeTest, UDiv) { EXPECT_EQ(Wrap.udiv(Wrap), Full); } +TEST_F(ConstantRangeTest, Shl) { + EXPECT_EQ(Full.shl(Full), Full); + EXPECT_EQ(Full.shl(Empty), Empty); + EXPECT_EQ(Full.shl(One), Full); // TODO: [0, (-1 << 0xa) + 1) + EXPECT_EQ(Full.shl(Some), Full); // TODO: [0, (-1 << 0xa) + 1) + EXPECT_EQ(Full.shl(Wrap), Full); + EXPECT_EQ(Empty.shl(Empty), Empty); + EXPECT_EQ(Empty.shl(One), Empty); + EXPECT_EQ(Empty.shl(Some), Empty); + EXPECT_EQ(Empty.shl(Wrap), Empty); + EXPECT_EQ(One.shl(One), ConstantRange(APInt(16, 0xa << 0xa), + APInt(16, (0xa << 0xa) + 1))); + EXPECT_EQ(One.shl(Some), Full); // TODO: [0xa << 0xa, 0) + EXPECT_EQ(One.shl(Wrap), Full); // TODO: [0xa, 0xa << 14 + 1) + EXPECT_EQ(Some.shl(Some), Full); // TODO: [0xa << 0xa, 0xfc01) + EXPECT_EQ(Some.shl(Wrap), Full); // TODO: [0xa, 0x7ff << 0x5 + 1) + EXPECT_EQ(Wrap.shl(Wrap), Full); +} + +TEST_F(ConstantRangeTest, Lshr) { + EXPECT_EQ(Full.lshr(Full), Full); + EXPECT_EQ(Full.lshr(Empty), Empty); + EXPECT_EQ(Full.lshr(One), ConstantRange(APInt(16, 0), + APInt(16, (0xffff >> 0xa) + 1))); + EXPECT_EQ(Full.lshr(Some), ConstantRange(APInt(16, 0), + APInt(16, (0xffff >> 0xa) + 1))); + EXPECT_EQ(Full.lshr(Wrap), Full); + EXPECT_EQ(Empty.lshr(Empty), Empty); + EXPECT_EQ(Empty.lshr(One), Empty); + EXPECT_EQ(Empty.lshr(Some), Empty); + EXPECT_EQ(Empty.lshr(Wrap), Empty); + EXPECT_EQ(One.lshr(One), ConstantRange(APInt(16, 0))); + EXPECT_EQ(One.lshr(Some), ConstantRange(APInt(16, 0))); + EXPECT_EQ(One.lshr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb))); + EXPECT_EQ(Some.lshr(Some), ConstantRange(APInt(16, 0), + APInt(16, (0xaaa >> 0xa) + 1))); + EXPECT_EQ(Some.lshr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa))); + 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