diff options
| author | Chris Lattner <sabre@nondot.org> | 2005-05-07 04:23:29 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-05-07 04:23:29 +0000 |
| commit | 5cc924ac42f6ded8c560dcdf706c86634f5b0db7 (patch) | |
| tree | bf73fc8365a7dd5ca1fd1f8f077cfd8da7f78959 /test/Transforms/Reassociate | |
| parent | 08b43921e18f314c4fd38049291d323830934c36 (diff) | |
| download | external_llvm-5cc924ac42f6ded8c560dcdf706c86634f5b0db7.zip external_llvm-5cc924ac42f6ded8c560dcdf706c86634f5b0db7.tar.gz external_llvm-5cc924ac42f6ded8c560dcdf706c86634f5b0db7.tar.bz2 | |
test that reassociate can handle shifts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21760 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/Reassociate')
| -rw-r--r-- | test/Transforms/Reassociate/shifttest.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/shifttest.ll b/test/Transforms/Reassociate/shifttest.ll new file mode 100644 index 0000000..6ca6622 --- /dev/null +++ b/test/Transforms/Reassociate/shifttest.ll @@ -0,0 +1,10 @@ +; With shl->mul reassociation, we can see that this is (shl A, 9) * A +; +; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep 'shl .*, ubyte 9' + +int %test(int %A, int %B) { + %X = shl int %A, ubyte 5 + %Y = shl int %A, ubyte 4 + %Z = mul int %Y, %X + ret int %Z +} |