[llvm] 94585dc - [X86] Add test coverage for #116931

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2025-02-17T09:03:26Z
New Revision: 94585dc59de23c52274fc542df7b821c7e6bb326

URL: https://github.com/llvm/llvm-project/commit/94585dc59de23c52274fc542df7b821c7e6bb326
DIFF: https://github.com/llvm/llvm-project/commit/94585dc59de23c52274fc542df7b821c7e6bb326.diff

LOG: [X86] Add test coverage for #116931

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
index 15e287d66754b..176ba696e6540 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
@@ -5045,6 +5045,64 @@ define <32 x i8> @shuffle_v32i8_shift_00_02_04_06_08_10_12_14_16_18_20_22_24_26_
   ret <32 x i8> %5
 }
 
+; PR116931
+define void @shuffle_v32i8_store_00_08_16_24_01_09_17_25_02_10_18_26_03_11_19_27_04_12_20_28_05_13_21_29_06_14_22_30_07_15_23_31(ptr %out, <32 x i8> %a0) {
+; AVX1-LABEL: shuffle_v32i8_store_00_08_16_24_01_09_17_25_02_10_18_26_03_11_19_27_04_12_20_28_05_13_21_29_06_14_22_30_07_15_23_31:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,8,1,9,2,10,3,11,4,12,5,13,6,14,7,15]
+; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpunpcklwd {{.*#+}} xmm2 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; AVX1-NEXT:    vpunpckhwd {{.*#+}} xmm0 = xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; AVX1-NEXT:    vmovdqa %xmm0, 16(%rdi)
+; AVX1-NEXT:    vmovdqa %xmm2, (%rdi)
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2OR512VL-LABEL: shuffle_v32i8_store_00_08_16_24_01_09_17_25_02_10_18_26_03_11_19_27_04_12_20_28_05_13_21_29_06_14_22_30_07_15_23_31:
+; AVX2OR512VL:       # %bb.0:
+; AVX2OR512VL-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2OR512VL-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,8,1,9,2,10,3,11,4,12,5,13,6,14,7,15]
+; AVX2OR512VL-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; AVX2OR512VL-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; AVX2OR512VL-NEXT:    vpunpcklwd {{.*#+}} xmm2 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; AVX2OR512VL-NEXT:    vpunpckhwd {{.*#+}} xmm0 = xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; AVX2OR512VL-NEXT:    vmovdqa %xmm0, 16(%rdi)
+; AVX2OR512VL-NEXT:    vmovdqa %xmm2, (%rdi)
+; AVX2OR512VL-NEXT:    vzeroupper
+; AVX2OR512VL-NEXT:    retq
+;
+; XOPAVX1-LABEL: shuffle_v32i8_store_00_08_16_24_01_09_17_25_02_10_18_26_03_11_19_27_04_12_20_28_05_13_21_29_06_14_22_30_07_15_23_31:
+; XOPAVX1:       # %bb.0:
+; XOPAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; XOPAVX1-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,8,1,9,2,10,3,11,4,12,5,13,6,14,7,15]
+; XOPAVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; XOPAVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; XOPAVX1-NEXT:    vpunpcklwd {{.*#+}} xmm2 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; XOPAVX1-NEXT:    vpunpckhwd {{.*#+}} xmm0 = xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; XOPAVX1-NEXT:    vmovdqa %xmm0, 16(%rdi)
+; XOPAVX1-NEXT:    vmovdqa %xmm2, (%rdi)
+; XOPAVX1-NEXT:    vzeroupper
+; XOPAVX1-NEXT:    retq
+;
+; XOPAVX2-LABEL: shuffle_v32i8_store_00_08_16_24_01_09_17_25_02_10_18_26_03_11_19_27_04_12_20_28_05_13_21_29_06_14_22_30_07_15_23_31:
+; XOPAVX2:       # %bb.0:
+; XOPAVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; XOPAVX2-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,8,1,9,2,10,3,11,4,12,5,13,6,14,7,15]
+; XOPAVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; XOPAVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; XOPAVX2-NEXT:    vpunpcklwd {{.*#+}} xmm2 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; XOPAVX2-NEXT:    vpunpckhwd {{.*#+}} xmm0 = xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; XOPAVX2-NEXT:    vmovdqa %xmm0, 16(%rdi)
+; XOPAVX2-NEXT:    vmovdqa %xmm2, (%rdi)
+; XOPAVX2-NEXT:    vzeroupper
+; XOPAVX2-NEXT:    retq
+  %r = shufflevector <32 x i8> %a0, <32 x i8> poison, <32 x i32> <i32 0, i32 8, i32 16, i32 24, i32 1, i32 9, i32 17, i32 25, i32 2, i32 10, i32 18, i32 26, i32 3, i32 11, i32 19, i32 27, i32 4, i32 12, i32 20, i32 28, i32 5, i32 13, i32 21, i32 29, i32 6, i32 14, i32 22, i32 30, i32 7, i32 15, i32 23, i32 31>
+  store <32 x i8> %r, ptr %out, align 32
+  ret void
+}
+
 define <4 x i64> @PR28136(<32 x i8> %a0, <32 x i8> %a1) {
 ; AVX1-LABEL: PR28136:
 ; AVX1:       # %bb.0: