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PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and

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zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2010-12-07 08:25:19 +00:00
parent 0ea112f104
commit 40f8f6264d
25 changed files with 219 additions and 251 deletions
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20
unittests/Support/ConstantRangeTest.cpp
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@ -171,8 +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());
}
@ -184,10 +184,10 @@ 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(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)));
}
@ -200,10 +200,10 @@ 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(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)));