[llvm] ea4b048 - [X86][AVX] Add PR47194 shuffle test case

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2022-01-25T15:06:39Z
New Revision: ea4b0489f5caf136aefe04869d650aa8d966041c

URL: https://github.com/llvm/llvm-project/commit/ea4b0489f5caf136aefe04869d650aa8d966041c
DIFF: https://github.com/llvm/llvm-project/commit/ea4b0489f5caf136aefe04869d650aa8d966041c.diff

LOG: [X86][AVX] Add PR47194 shuffle test case

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 d280580f55f1b..d6731f851d0bf 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v32.ll
@@ -4785,6 +4785,60 @@ define <32 x i8> @shuffle_v32i8_02_03_04_05_06_07_00_01_10_11_12_13_14_15_08_09_
   ret <32 x i8> %shuffle
 }
 
+; PR47194
+define <32 x i8> @shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31(<32 x i8> %a) {
+; AVX1-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vpshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,7,7,7]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,2,2]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-SLOW-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; AVX2-SLOW:       # %bb.0:
+; AVX2-SLOW-NEXT:    vpshufhw {{.*#+}} ymm0 = ymm0[0,1,2,3,7,7,7,7,8,9,10,11,15,15,15,15]
+; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[2,2,2,2,6,6,6,6]
+; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[2,2,2,2]
+; AVX2-SLOW-NEXT:    retq
+;
+; AVX2-FAST-ALL-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; AVX2-FAST-ALL:       # %bb.0:
+; AVX2-FAST-ALL-NEXT:    vpshufhw {{.*#+}} ymm0 = ymm0[0,1,2,3,7,7,7,7,8,9,10,11,15,15,15,15]
+; AVX2-FAST-ALL-NEXT:    vpbroadcastd {{.*#+}} ymm1 = [6,6,6,6,6,6,6,6]
+; AVX2-FAST-ALL-NEXT:    vpermd %ymm0, %ymm1, %ymm0
+; AVX2-FAST-ALL-NEXT:    retq
+;
+; AVX2-FAST-PERLANE-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; AVX2-FAST-PERLANE:       # %bb.0:
+; AVX2-FAST-PERLANE-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[u,u,u,u,u,u,u,u,u,u,u,u,u,u,u,u,30,31,30,31,30,31,30,31,u,u,u,u,u,u,u,u]
+; AVX2-FAST-PERLANE-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[2,2,2,2]
+; AVX2-FAST-PERLANE-NEXT:    retq
+;
+; AVX512VL-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; AVX512VL:       # %bb.0:
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm1 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; AVX512VL-NEXT:    vpermw %ymm0, %ymm1, %ymm0
+; AVX512VL-NEXT:    retq
+;
+; XOPAVX1-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; XOPAVX1:       # %bb.0:
+; XOPAVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; XOPAVX1-NEXT:    vpshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,7,7,7]
+; XOPAVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,2,2]
+; XOPAVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
+; XOPAVX1-NEXT:    retq
+;
+; XOPAVX2-LABEL: shuffle_v32i8_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31_30_31:
+; XOPAVX2:       # %bb.0:
+; XOPAVX2-NEXT:    vpshufhw {{.*#+}} ymm0 = ymm0[0,1,2,3,7,7,7,7,8,9,10,11,15,15,15,15]
+; XOPAVX2-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[2,2,2,2,6,6,6,6]
+; XOPAVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[2,2,2,2]
+; XOPAVX2-NEXT:    retq
+  %shuffle = shufflevector <32 x i8> %a, <32 x i8> undef, <32 x i32> <i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31, i32 30, i32 31>
+  ret <32 x i8> %shuffle
+}
+
 define <32 x i8> @shuffle_v32i8_00_02_04_06_08_10_12_14_32_34_36_38_40_42_44_46_16_18_20_22_24_26_28_30_48_50_52_54_56_58_60_62(<32 x i8> %a0, <32 x i8> %a1) {
 ; AVX1-LABEL: shuffle_v32i8_00_02_04_06_08_10_12_14_32_34_36_38_40_42_44_46_16_18_20_22_24_26_28_30_48_50_52_54_56_58_60_62:
 ; AVX1:       # %bb.0: