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author | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
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committer | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
commit | f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch) | |
tree | ebb79ea1ee5e3bc1fdf38541a811a8b804f0679a /test/Analysis/BasicAA/2003-09-19-LocalArgument.ll | |
download | external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.zip external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.gz external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.bz2 |
It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/BasicAA/2003-09-19-LocalArgument.ll')
-rw-r--r-- | test/Analysis/BasicAA/2003-09-19-LocalArgument.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll b/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll new file mode 100644 index 0000000..ee6ac9c --- /dev/null +++ b/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll @@ -0,0 +1,12 @@ +; In this test, a local alloca cannot alias an incoming argument. + +; RUN: llvm-upgrade < %s | llvm-as | opt -load-vn -gcse -instcombine | llvm-dis | not grep sub + +int %test(int* %P) { + %X = alloca int + %V1 = load int* %P + store int 0, int* %X + %V2 = load int* %P + %Diff = sub int %V1, %V2 + ret int %Diff +} |