[llvm] r322463 - [X86][SSE] Add PR22391 test case

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sun Jan 14 11:57:50 2018
New Revision: 322463

URL: http://llvm.org/viewvc/llvm-project?rev=322463&view=rev
Log:
[X86][SSE] Add PR22391 test case

Modified:
    llvm/trunk/test/CodeGen/X86/vector-shuffle-128-v4.ll

Modified: llvm/trunk/test/CodeGen/X86/vector-shuffle-128-v4.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vector-shuffle-128-v4.ll?rev=322463&r1=322462&r2=322463&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vector-shuffle-128-v4.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vector-shuffle-128-v4.ll Sun Jan 14 11:57:50 2018
@@ -1553,6 +1553,51 @@ define <4 x i32> @shuffle_v4i32_2345(<4
   ret <4 x i32> %shuffle
 }
 
+; PR22391
+define <4 x i32> @shuffle_v4i32_2456(<4 x i32> %a, <4 x i32> %b) #0 {
+; SSE2-LABEL: shuffle_v4i32_2456:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[0,0]
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[1,2]
+; SSE2-NEXT:    retq
+;
+; SSE3-LABEL: shuffle_v4i32_2456:
+; SSE3:       # %bb.0:
+; SSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[0,0]
+; SSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[1,2]
+; SSE3-NEXT:    retq
+;
+; SSSE3-LABEL: shuffle_v4i32_2456:
+; SSSE3:       # %bb.0:
+; SSSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[0,0]
+; SSSE3-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[1,2]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: shuffle_v4i32_2456:
+; SSE41:       # %bb.0:
+; SSE41-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,0,1]
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[0,0,1,2]
+; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm2[0,1],xmm0[2,3,4,5,6,7]
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: shuffle_v4i32_2456:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[0,0,1,2]
+; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3,4,5,6,7]
+; AVX1-NEXT:    retq
+;
+; AVX2OR512VL-LABEL: shuffle_v4i32_2456:
+; AVX2OR512VL:       # %bb.0:
+; AVX2OR512VL-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; AVX2OR512VL-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[0,0,1,2]
+; AVX2OR512VL-NEXT:    vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
+; AVX2OR512VL-NEXT:    retq
+  %s1 = shufflevector <4 x i32> %a, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
+  %s2 = shufflevector <4 x i32> %s1, <4 x i32> %b, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+  ret <4 x i32> %s2
+}
+
 define <4 x i32> @shuffle_v4i32_40u1(<4 x i32> %a, <4 x i32> %b) {
 ; SSE-LABEL: shuffle_v4i32_40u1:
 ; SSE:       # %bb.0: