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| author | Chris Lattner <sabre@nondot.org> | 2004-02-23 20:24:16 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-02-23 20:24:16 +0000 |
| commit | 86171b9203083835a035ed72434ffea701e97f04 (patch) | |
| tree | b832e4865025a9efbf5a2acc75e165290ae0ab8a /test | |
| parent | cedfd2c78d845336501df3b6eceb430b58783aa4 (diff) | |
| download | external_llvm-86171b9203083835a035ed72434ffea701e97f04.zip external_llvm-86171b9203083835a035ed72434ffea701e97f04.tar.gz external_llvm-86171b9203083835a035ed72434ffea701e97f04.tar.bz2 | |
Test for the other way also
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11767 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll b/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll index 911a73f..97020c5 100644 --- a/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll +++ b/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll @@ -6,3 +6,10 @@ int %test(int %X) { %Z = shr int %Y, ubyte 17 ret int %Z } + +int %test2(int %X) { + ; Do not fold into shl X, 34, as this uses undefined behavior! + %Y = shl int %X, ubyte 17 + %Z = shl int %Y, ubyte 17 + ret int %Z +} |