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| author | Nuno Lopes <nunoplopes@sapo.pt> | 2012-07-24 16:28:13 +0000 |
|---|---|---|
| committer | Nuno Lopes <nunoplopes@sapo.pt> | 2012-07-24 16:28:13 +0000 |
| commit | 9827c8e1c96950d17a4dbb7ef9d9036501c40c1b (patch) | |
| tree | adc0338a9d54072cba27b1dd313a112dde05cfb0 /test/Transforms | |
| parent | a94d6e87c4c49f2e81b01d66d8bfb591277f8f96 (diff) | |
| download | external_llvm-9827c8e1c96950d17a4dbb7ef9d9036501c40c1b.zip external_llvm-9827c8e1c96950d17a4dbb7ef9d9036501c40c1b.tar.gz external_llvm-9827c8e1c96950d17a4dbb7ef9d9036501c40c1b.tar.bz2 | |
teach objectsize about strdup() and strndup()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160676 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/objsize.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/objsize.ll b/test/Transforms/InstCombine/objsize.ll index f5a4581..1818d89 100644 --- a/test/Transforms/InstCombine/objsize.ll +++ b/test/Transforms/InstCombine/objsize.ll @@ -171,3 +171,51 @@ define i32 @test8(i8** %esc) { ; CHECK: ret i32 30 ret i32 %objsize } + +declare noalias i8* @strdup(i8* nocapture) nounwind +declare noalias i8* @strndup(i8* nocapture, i32) nounwind + +; CHECK: @test9 +define i32 @test9(i8** %esc) { + %call = tail call i8* @strdup(i8* getelementptr inbounds ([8 x i8]* @.str, i64 0, i64 0)) nounwind + store i8* %call, i8** %esc, align 8 + %1 = tail call i32 @llvm.objectsize.i32(i8* %call, i1 true) +; CHECK: ret i32 8 + ret i32 %1 +} + +; CHECK: @test10 +define i32 @test10(i8** %esc) { + %call = tail call i8* @strndup(i8* getelementptr inbounds ([8 x i8]* @.str, i64 0, i64 0), i32 3) nounwind + store i8* %call, i8** %esc, align 8 + %1 = tail call i32 @llvm.objectsize.i32(i8* %call, i1 true) +; CHECK: ret i32 4 + ret i32 %1 +} + +; CHECK: @test11 +define i32 @test11(i8** %esc) { + %call = tail call i8* @strndup(i8* getelementptr inbounds ([8 x i8]* @.str, i64 0, i64 0), i32 7) nounwind + store i8* %call, i8** %esc, align 8 + %1 = tail call i32 @llvm.objectsize.i32(i8* %call, i1 true) +; CHECK: ret i32 8 + ret i32 %1 +} + +; CHECK: @test12 +define i32 @test12(i8** %esc) { + %call = tail call i8* @strndup(i8* getelementptr inbounds ([8 x i8]* @.str, i64 0, i64 0), i32 8) nounwind + store i8* %call, i8** %esc, align 8 + %1 = tail call i32 @llvm.objectsize.i32(i8* %call, i1 true) +; CHECK: ret i32 8 + ret i32 %1 +} + +; CHECK: @test13 +define i32 @test13(i8** %esc) { + %call = tail call i8* @strndup(i8* getelementptr inbounds ([8 x i8]* @.str, i64 0, i64 0), i32 57) nounwind + store i8* %call, i8** %esc, align 8 + %1 = tail call i32 @llvm.objectsize.i32(i8* %call, i1 true) +; CHECK: ret i32 8 + ret i32 %1 +} |