[x86] Fix another miscompile in the new vector shuffle lowering found

[oota-llvm.git] / test / CodeGen / X86 / vector-shuffle-128-v8.ll

diff --git a/test/CodeGen/X86/vector-shuffle-128-v8.ll b/test/CodeGen/X86/vector-shuffle-128-v8.ll
index b10c3b6c3d29def4a5aea048debe0d4551ad3c3d..6ca4857e42ec5f0e051550987d988c6f849410c6 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-128-v8.ll
+++ b/test/CodeGen/X86/vector-shuffle-128-v8.ll
@@ -524,6 +524,28 @@ define <8 x i16> @shuffle_v8i16_0213cedf(<8 x i16> %a, <8 x i16> %b) {
   ret <8 x i16> %shuffle
 }
 
+define <8 x i16> @shuffle_v8i16_443aXXXX(<8 x i16> %a, <8 x i16> %b) {
+; SSE2-LABEL: @shuffle_v8i16_443aXXXX
+; SSE2:       # BB#0:
+; SSE2-NEXT:    pshufd {{.*}}          # xmm0 = xmm0[2,1,2,3]
+; SSE2-NEXT:    pshuflw {{.*}}         # xmm0 = xmm0[0,0,2,3,4,5,6,7]
+; SSE2-NEXT:    punpcklwd %xmm1, %xmm0 # xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSE2-NEXT:    pshuflw {{.*}}         # xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*}}         # xmm0 = xmm0[0,1,2,3,6,5,6,7]
+; SSE2-NEXT:    pshufd {{.*}}          # xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: @shuffle_v8i16_443aXXXX
+; SSSE3:       # BB#0:
+; SSSE3-NEXT:    pshufd {{.*}}          # xmm0 = xmm0[2,1,2,3]
+; SSSE3-NEXT:    pshuflw {{.*}}         # xmm0 = xmm0[0,0,2,3,4,5,6,7]
+; SSSE3-NEXT:    punpcklwd %xmm1, %xmm0 # xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSSE3-NEXT:    pshufb {{.*}} # xmm0 = xmm0[0,1,4,5,12,13,10,11,{{[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+}}]
+; SSSE3-NEXT:    retq
+  %shuffle = shufflevector <8 x i16> %a, <8 x i16> %b, <8 x i32> <i32 4, i32 4, i32 3, i32 10, i32 undef, i32 undef, i32 undef, i32 undef>
+  ret <8 x i16> %shuffle
+}
+
 define <8 x i16> @shuffle_v8i16_032dXXXX(<8 x i16> %a, <8 x i16> %b) {
 ; SSE2-LABEL: @shuffle_v8i16_032dXXXX
 ; SSE2:       # BB#0: