[llvm] 5e62e16 - [X86][SSE] Add another shufps+shufps test for fold through commutation
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 24 04:04:27 PST 2020
Author: Simon Pilgrim
Date: 2020-01-24T12:04:11Z
New Revision: 5e62e162cd03b55816ebc8be879ab666001440f6
URL: https://github.com/llvm/llvm-project/commit/5e62e162cd03b55816ebc8be879ab666001440f6
DIFF: https://github.com/llvm/llvm-project/commit/5e62e162cd03b55816ebc8be879ab666001440f6.diff
LOG: [X86][SSE] Add another shufps+shufps test for fold through commutation
Added:
Modified:
llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll b/llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll
index 119d199ff665..dd67f9bfc430 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll
@@ -2492,3 +2492,28 @@ define <4 x float> @shuffle_mem_v4f32_0624(<4 x float> %a0, <4 x float>* %a1) {
%2 = shufflevector <4 x float> %1, <4 x float> %a0, <4 x i32> <i32 0, i32 6, i32 2, i32 4>
ret <4 x float> %2
}
+
+define <4 x float> @shuffle_mem_v4f32_4760(<4 x float> %a0, <4 x float>* %a1) {
+; SSE-LABEL: shuffle_mem_v4f32_4760:
+; SSE: # %bb.0:
+; SSE-NEXT: movaps (%rdi), %xmm1
+; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[2,0]
+; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,3],xmm1[2,0]
+; SSE-NEXT: retq
+;
+; AVX1OR2-LABEL: shuffle_mem_v4f32_4760:
+; AVX1OR2: # %bb.0:
+; AVX1OR2-NEXT: vmovaps (%rdi), %xmm1
+; AVX1OR2-NEXT: vshufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[2,0]
+; AVX1OR2-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,3],xmm1[2,0]
+; AVX1OR2-NEXT: retq
+;
+; AVX512VL-LABEL: shuffle_mem_v4f32_4760:
+; AVX512VL: # %bb.0:
+; AVX512VL-NEXT: vmovaps {{.*#+}} xmm1 = [0,3,2,4]
+; AVX512VL-NEXT: vpermt2ps (%rdi), %xmm1, %xmm0
+; AVX512VL-NEXT: retq
+ %1 = load <4 x float>, <4 x float>* %a1
+ %2 = shufflevector <4 x float> %1, <4 x float> %a0, <4 x i32> <i32 4, i32 7, i32 6, i32 0>
+ ret <4 x float> %2
+}
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