diff options
| author | Nuno Lopes <nunoplopes@sapo.pt> | 2012-07-23 20:33:29 +0000 |
|---|---|---|
| committer | Nuno Lopes <nunoplopes@sapo.pt> | 2012-07-23 20:33:29 +0000 |
| commit | eb9d2755b20f9874b5cf77d77d7b5692628d93ea (patch) | |
| tree | 94737ce65cd8e6503db3a6a89245dd95b5067218 /llvm/unittests/Support/ConstantRangeTest.cpp | |
| parent | 1feac1cef9bba99d0832eac9a58084cb90c669d8 (diff) | |
| download | llvm-eb9d2755b20f9874b5cf77d77d7b5692628d93ea.zip llvm-eb9d2755b20f9874b5cf77d77d7b5692628d93ea.tar.gz llvm-eb9d2755b20f9874b5cf77d77d7b5692628d93ea.tar.bz2 | |
make ConstantRange::zeroExtend() optimal
llvm-svn: 160643
Diffstat (limited to 'llvm/unittests/Support/ConstantRangeTest.cpp')
| -rw-r--r-- | llvm/unittests/Support/ConstantRangeTest.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/unittests/Support/ConstantRangeTest.cpp b/llvm/unittests/Support/ConstantRangeTest.cpp index 7d4055f..263f93c 100644 --- a/llvm/unittests/Support/ConstantRangeTest.cpp +++ b/llvm/unittests/Support/ConstantRangeTest.cpp @@ -193,6 +193,10 @@ TEST_F(ConstantRangeTest, ZExt) { EXPECT_EQ(ZSome, ConstantRange(Some.getLower().zext(20), Some.getUpper().zext(20))); EXPECT_EQ(ZWrap, ConstantRange(APInt(20, 0), APInt(20, 0x10000))); + + // zext([5, 0), 3->7) = [5, 8) + ConstantRange FiveZero(APInt(3, 5), APInt(3, 0)); + EXPECT_EQ(FiveZero.zeroExtend(7), ConstantRange(APInt(7, 5), APInt(7, 8))); } TEST_F(ConstantRangeTest, SExt) { |