diff options
Diffstat (limited to 'test/Transforms/InstCombine/obfuscated_splat.ll')
| -rw-r--r-- | test/Transforms/InstCombine/obfuscated_splat.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/obfuscated_splat.ll b/test/Transforms/InstCombine/obfuscated_splat.ll new file mode 100644 index 0000000000000..c25dade168a42 --- /dev/null +++ b/test/Transforms/InstCombine/obfuscated_splat.ll @@ -0,0 +1,11 @@ +; RUN: opt -instcombine -S %s | FileCheck %s + +define void @test(<4 x float> *%in_ptr, <4 x float> *%out_ptr) { + %A = load <4 x float>* %in_ptr, align 16 + %B = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 undef, i32 undef> + %C = shufflevector <4 x float> %B, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 4, i32 undef> + %D = shufflevector <4 x float> %C, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 2, i32 4> +; CHECK: %D = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> zeroinitializer + store <4 x float> %D, <4 x float> *%out_ptr + ret void +} |