[llvm] ddab12d - [X86] Add shuffle test coverage for Issue #59860

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2023-01-08T19:06:06Z
New Revision: ddab12d1183ce6815a5d869b0d5efcf56eea37f2

URL: https://github.com/llvm/llvm-project/commit/ddab12d1183ce6815a5d869b0d5efcf56eea37f2
DIFF: https://github.com/llvm/llvm-project/commit/ddab12d1183ce6815a5d869b0d5efcf56eea37f2.diff

LOG: [X86] Add shuffle test coverage for Issue #59860

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
index d8f49797ba0f5..1504076a588fc 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
@@ -689,6 +689,16 @@ define <4 x double> @shuffle_v4f64_0456(<4 x double> %a, <4 x double> %b) {
   ret <4 x double> %shuffle
 }
 
+; PR59860
+define <4 x double> @shuffle_v4f64_0437(<4 x double> %a, <4 x double> %b) {
+; ALL-LABEL: shuffle_v4f64_0437:
+; ALL:       # %bb.0:
+; ALL-NEXT:    vshufpd {{.*#+}} ymm0 = ymm0[0],ymm1[0],ymm0[3],ymm1[3]
+; ALL-NEXT:    retq
+  %shuffle = shufflevector <4 x double> %a, <4 x double> %b, <4 x i32> <i32 0, i32 4, i32 3, i32 7>
+  ret <4 x double> %shuffle
+}
+
 define <4 x double> @shuffle_v4f64_0z3z(<4 x double> %a, <4 x double> %b) {
 ; ALL-LABEL: shuffle_v4f64_0z3z:
 ; ALL:       # %bb.0:
@@ -1413,6 +1423,29 @@ define <4 x i64> @shuffle_v4i64_2741(<4 x i64> %a, <4 x i64> %b) {
   ret <4 x i64> %shuffle
 }
 
+; PR59860
+define <4 x i64> @shuffle_v4i64_0437(<4 x i64> %a, <4 x i64> %b) {
+; AVX1-LABEL: shuffle_v4i64_0437:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vshufpd {{.*#+}} ymm0 = ymm0[0],ymm1[0],ymm0[3],ymm1[3]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: shuffle_v4i64_0437:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,0,2,3]
+; AVX2-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,1,3,3]
+; AVX2-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0,1],ymm1[2,3],ymm0[4,5],ymm1[6,7]
+; AVX2-NEXT:    retq
+;
+; AVX512VL-LABEL: shuffle_v4i64_0437:
+; AVX512VL:       # %bb.0:
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,4,3,7]
+; AVX512VL-NEXT:    vpermt2q %ymm1, %ymm2, %ymm0
+; AVX512VL-NEXT:    retq
+  %shuffle = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 0, i32 4, i32 3, i32 7>
+  ret <4 x i64> %shuffle
+}
+
 define <4 x i64> @shuffle_v4i64_z4z6(<4 x i64> %a) {
 ; AVX1-LABEL: shuffle_v4i64_z4z6:
 ; AVX1:       # %bb.0: