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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2010-09-29 23:52:12 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2010-09-29 23:52:12 +0000 |
| commit | 38d22f69fcd697085a3445ce1b2853b13118e656 (patch) | |
| tree | 852f159ffac08d0ca89c5902b6a69c12f1e248dd /llvm/test/Transforms/SimplifyLibCalls/StrPBrk.ll | |
| parent | 2f0419e1f86f55b5513d30e4a01b5fc93185a57f (diff) | |
| download | bcm5719-llvm-38d22f69fcd697085a3445ce1b2853b13118e656.tar.gz bcm5719-llvm-38d22f69fcd697085a3445ce1b2853b13118e656.zip | |
Add strpbrk folding to SimplifyLibCalls.
llvm-svn: 115111
Diffstat (limited to 'llvm/test/Transforms/SimplifyLibCalls/StrPBrk.ll')
| -rw-r--r-- | llvm/test/Transforms/SimplifyLibCalls/StrPBrk.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyLibCalls/StrPBrk.ll b/llvm/test/Transforms/SimplifyLibCalls/StrPBrk.ll new file mode 100644 index 00000000000..29c3b7477b4 --- /dev/null +++ b/llvm/test/Transforms/SimplifyLibCalls/StrPBrk.ll @@ -0,0 +1,25 @@ +; RUN: opt < %s -simplify-libcalls -S | FileCheck %s + +target datalayout = "-p:64:64:64" + +@hello = constant [12 x i8] c"hello world\00" +@w = constant [2 x i8] c"w\00" +@null = constant [1 x i8] zeroinitializer + +declare i8* @strpbrk(i8*, i8*) + +define void @test(i8* %s1, i8* %s2) { + %hello_p = getelementptr [12 x i8]* @hello, i32 0, i32 0 + %w_p = getelementptr [2 x i8]* @w, i32 0, i32 0 + %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 + %test1 = call i8* @strpbrk(i8* %null_p, i8* %s2) + %test2 = call i8* @strpbrk(i8* %s1, i8* %null_p) +; CHECK-NOT: call i8* @strpbrk + %test3 = call i8* @strpbrk(i8* %s1, i8* %w_p) +; CHECK: call i8* @strchr(i8* %s1, i32 119) + %test4 = call i8* @strpbrk(i8* %hello_p, i8* %w_p) +; CHECK: getelementptr i8* %hello_p, i64 6 + %test5 = call i8* @strpbrk(i8* %s1, i8* %s2) +; CHECK: call i8* @strpbrk(i8* %s1, i8* %s2) + ret void +} |
