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Diffstat (limited to 'test/Transforms/InstCombine/strcmp-2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/strcmp-2.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/strcmp-2.ll b/test/Transforms/InstCombine/strcmp-2.ll new file mode 100644 index 0000000..2051896 --- /dev/null +++ b/test/Transforms/InstCombine/strcmp-2.ll @@ -0,0 +1,20 @@ +; Test that the strcmp library call simplifier works correctly. +; RUN: opt < %s -instcombine -S | FileCheck %s + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" + +@hello = constant [6 x i8] c"hello\00" +@hell = constant [5 x i8] c"hell\00" + +declare i16 @strcmp(i8*, i8*) + +define i16 @test_nosimplify() { +; CHECK: @test_nosimplify +; CHECK: call i16 @strcmp +; CHECK: ret i16 %temp1 + + %str1 = getelementptr inbounds [5 x i8]* @hell, i32 0, i32 0 + %str2 = getelementptr inbounds [6 x i8]* @hello, i32 0, i32 0 + %temp1 = call i16 @strcmp(i8* %str1, i8* %str2) + ret i16 %temp1 +} |
