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| author | Chris Lattner <sabre@nondot.org> | 2004-11-26 19:19:28 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-11-26 19:19:28 +0000 |
| commit | 4e4f7312e00fe9346e54b40d0fc56533ad713f00 (patch) | |
| tree | 97f86666d1ad6fa371ff6531b9020608283d1ecb /test/Analysis/BasicAA/global-size.ll | |
| parent | 043e4b1084e8df0d579610d65ded9634fe4d4746 (diff) | |
| download | external_llvm-4e4f7312e00fe9346e54b40d0fc56533ad713f00.zip external_llvm-4e4f7312e00fe9346e54b40d0fc56533ad713f00.tar.gz external_llvm-4e4f7312e00fe9346e54b40d0fc56533ad713f00.tar.bz2 | |
new testcase basicaa should handle
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18260 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/BasicAA/global-size.ll')
| -rw-r--r-- | test/Analysis/BasicAA/global-size.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/global-size.ll b/test/Analysis/BasicAA/global-size.ll new file mode 100644 index 0000000..52ea7bc --- /dev/null +++ b/test/Analysis/BasicAA/global-size.ll @@ -0,0 +1,17 @@ +; A store or load cannot alias a global if the accessed amount is larger then +; the global. + +; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep load + +%B = global short 8 + +implementation + +short %test(int *%P) { + %X = load short* %B + store int 7, int* %P + %Y = load short* %B + %Z = sub short %Y, %X + ret short %Z +} + |