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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2009-11-05 17:44:22 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2009-11-05 17:44:22 +0000 |
| commit | 992a63729706355c2a6b8221709fc0aa100a1e79 (patch) | |
| tree | 214145f9a8152732e03af0193e20a8d1e3d035bc /test/Transforms/SimplifyLibCalls | |
| parent | f626167e69d08f500805d209ff80720240adde3f (diff) | |
| download | external_llvm-992a63729706355c2a6b8221709fc0aa100a1e79.zip external_llvm-992a63729706355c2a6b8221709fc0aa100a1e79.tar.gz external_llvm-992a63729706355c2a6b8221709fc0aa100a1e79.tar.bz2 | |
Teach SimplifyLibCalls to fold memcmp calls with constant arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86141 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyLibCalls')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/memcmp.ll | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/memcmp.ll b/test/Transforms/SimplifyLibCalls/memcmp.ll index 7008736..ed7bcac 100644 --- a/test/Transforms/SimplifyLibCalls/memcmp.ll +++ b/test/Transforms/SimplifyLibCalls/memcmp.ll @@ -17,6 +17,10 @@ define void @test(i8* %P, i8* %Q, i32 %N, i32* %IP, i1* %BP) { %D = call i32 @memcmp( i8* %P, i8* %Q, i32 2 ) ; <i32> [#uses=1] %E = icmp eq i32 %D, 0 ; <i1> [#uses=1] volatile store i1 %E, i1* %BP + %F = call i32 @memcmp(i8* getelementptr ([4 x i8]* @hel, i32 0, i32 0), + i8* getelementptr ([8 x i8]* @hello_u, i32 0, i32 0), + i32 3) + volatile store i32 %F, i32* %IP ret void } |