diff options
author | Chris Lattner <sabre@nondot.org> | 2004-03-12 23:52:51 +0000 |
---|---|---|
committer | Chris Lattner <sabre@nondot.org> | 2004-03-12 23:52:51 +0000 |
commit | 99780ce87466692c9106acce9b6e5b19ebfa4644 (patch) | |
tree | 2f902fc9e2f71f633da3e1cb6d6d2619a48d1162 /test/Transforms/InstCombine/sub.ll | |
parent | 7a82ba0510aece59f59fe988ab273c3542b4d559 (diff) | |
download | llvm-99780ce87466692c9106acce9b6e5b19ebfa4644.tar.gz llvm-99780ce87466692c9106acce9b6e5b19ebfa4644.tar.bz2 llvm-99780ce87466692c9106acce9b6e5b19ebfa4644.tar.xz |
new testcases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12352 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/sub.ll')
-rw-r--r-- | test/Transforms/InstCombine/sub.ll | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/sub.ll b/test/Transforms/InstCombine/sub.ll index ad1ae0a548..59dc5bd06e 100644 --- a/test/Transforms/InstCombine/sub.ll +++ b/test/Transforms/InstCombine/sub.ll @@ -1,7 +1,7 @@ ; This test makes sure that these instructions are properly eliminated. ; -; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep sub | not grep -v 'sub int %Cok, %Bok' +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep -v 'sub int %Cok, %Bok' | not grep sub implementation @@ -74,3 +74,15 @@ bool %test11(ubyte %A, ubyte %B) { %cD = setne ubyte %C, 0 ; == setne A, B ret bool %cD } + +int %test12(int %A) { + %B = shr int %A, ubyte 31 + %C = sub int 0, %B ; == ushr A, 31 + ret int %C +} + +uint %test13(uint %A) { + %B = shr uint %A, ubyte 31 + %C = sub uint 0, %B ; == sar A, 31 + ret uint %C +} |