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| author | Nick Lewycky <nicholas@mxc.ca> | 2009-07-13 04:50:21 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2009-07-13 04:50:21 +0000 |
| commit | 571bf545691de928a502ae7cad8b159992484547 (patch) | |
| tree | 1e783460cd8a9f3783d65dd01b4e68cb7c4d8fa1 /llvm/unittests/Support/ConstantRangeTest.cpp | |
| parent | 5edc4592204d4d4ba85f59ecc607ef45db4ae416 (diff) | |
| download | llvm-571bf545691de928a502ae7cad8b159992484547.zip llvm-571bf545691de928a502ae7cad8b159992484547.tar.gz llvm-571bf545691de928a502ae7cad8b159992484547.tar.bz2 | |
Fix an error in ConstantRange::getSignedMax on wrapped ranges. Thanks once
again to Daniel Dunbar and KLEE!
llvm-svn: 75449
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 f929425..3ebb929 100644 --- a/llvm/unittests/Support/ConstantRangeTest.cpp +++ b/llvm/unittests/Support/ConstantRangeTest.cpp @@ -137,6 +137,10 @@ TEST_F(ConstantRangeTest, GetMinsAndMaxes) { EXPECT_EQ(One.getSignedMin(), APInt(16, 0xa)); EXPECT_EQ(Some.getSignedMin(), APInt(16, 0xa)); EXPECT_EQ(Wrap.getSignedMin(), APInt(16, INT16_MIN)); + + // Found by Klee + EXPECT_EQ(ConstantRange(APInt(4, 7), APInt(4, 0)).getSignedMax(), + APInt(4, 7)); } TEST_F(ConstantRangeTest, Trunc) { |