diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-combining.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll index e7bae3415bf..897a69a5496 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll @@ -1584,6 +1584,26 @@ define <4 x i32> @combine_test21(<8 x i32> %a, <4 x i32>* %ptr) { ret <4 x i32> %2 } +define <8 x float> @combine_test22(<2 x float>* %a, <2 x float>* %b) { +; SSE-LABEL: combine_test22: +; SSE: # BB#0: +; SSE-NEXT: movq (%rdi), %xmm0 +; SSE-NEXT: movhpd (%rsi), %xmm0 +; SSE-NEXT: retq +; +; AVX1-LABEL: combine_test22: +; AVX1: # BB#0: +; AVX1-NEXT: vmovq (%rdi), %xmm0 +; AVX1-NEXT: vmovhpd (%rsi), %xmm0, %xmm0 +; AVX1-NEXT: retq +; +; Current AVX2 lowering of this is still awful, not adding a test case. + %1 = load <2 x float>* %a, align 8 + %2 = load <2 x float>* %b, align 8 + %3 = shufflevector <2 x float> %1, <2 x float> %2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> + ret <8 x float> %3 +} + ; Check some negative cases. ; FIXME: Do any of these really make sense? Are they redundant with the above tests? |
