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| author | Chris Lattner <sabre@nondot.org> | 2004-02-23 20:19:51 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-02-23 20:19:51 +0000 |
| commit | cedfd2c78d845336501df3b6eceb430b58783aa4 (patch) | |
| tree | 38c278552e3b7579281eebabe114909fc77a031e /test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll | |
| parent | cbc20b451d3a3980351c388652ea39314dd09a23 (diff) | |
| download | llvm-cedfd2c78d845336501df3b6eceb430b58783aa4.tar.gz llvm-cedfd2c78d845336501df3b6eceb430b58783aa4.tar.bz2 llvm-cedfd2c78d845336501df3b6eceb430b58783aa4.tar.xz | |
New testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11766 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll b/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll new file mode 100644 index 0000000000..911a73f57c --- /dev/null +++ b/test/Transforms/InstCombine/2004-02-23-ShiftShiftOverflow.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 34 + +int %test(int %X) { + ; Do not fold into shr X, 34, as this uses undefined behavior! + %Y = shr int %X, ubyte 17 + %Z = shr int %Y, ubyte 17 + ret int %Z +} |