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Diffstat (limited to 'test/Transforms/InstCombine/strchr-1.ll')
| -rw-r--r-- | test/Transforms/InstCombine/strchr-1.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/strchr-1.ll b/test/Transforms/InstCombine/strchr-1.ll index d2c9894621..66b3e2e51c 100644 --- a/test/Transforms/InstCombine/strchr-1.ll +++ b/test/Transforms/InstCombine/strchr-1.ll @@ -63,3 +63,16 @@ define void @test_simplify5() { store i8* %dst, i8** @chp ret void } + +; Check transformation strchr(p, 0) -> p + strlen(p) +define void @test_simplify6(i8* %str) { +; CHECK: %strlen = call i32 @strlen(i8* %str) +; CHECK-NOT: call i8* @strchr +; CHECK: %strchr = getelementptr i8* %str, i32 %strlen +; CHECK: store i8* %strchr, i8** @chp, align 4 +; CHECK: ret void + + %dst = call i8* @strchr(i8* %str, i32 0) + store i8* %dst, i8** @chp + ret void +} |