[X86][SSE4A] Add support for shuffle combining to EXTRQ.

llvm-svn: 307254

1 files changed, 12 insertions, 24 deletions

diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll
index 1669317f4aa..9d9c29121f8 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll
@@ -9,30 +9,20 @@
 declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>)
 
 define <16 x i8> @combine_extrqi_pshufb_16i8(<16 x i8> %a0) {
-; SSE-LABEL: combine_extrqi_pshufb_16i8:
-; SSE:       # BB#0:
-; SSE-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[1,2],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; SSE-NEXT:    retq
-;
-; AVX-LABEL: combine_extrqi_pshufb_16i8:
-; AVX:       # BB#0:
-; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[1,2],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; AVX-NEXT:    retq
+; ALL-LABEL: combine_extrqi_pshufb_16i8:
+; ALL:       # BB#0:
+; ALL-NEXT:    extrq {{.*#+}} xmm0 = xmm0[1,2],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; ALL-NEXT:    retq
   %1 = shufflevector <16 x i8> %a0, <16 x i8> zeroinitializer, <16 x i32> <i32 1, i32 2, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
   %2 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %1, <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 255, i8 255, i8 255, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>)
   ret <16 x i8> %2
 }
 
 define <8 x i16> @combine_extrqi_pshufb_8i16(<8 x i16> %a0) {
-; SSE-LABEL: combine_extrqi_pshufb_8i16:
-; SSE:       # BB#0:
-; SSE-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[2,3],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; SSE-NEXT:    retq
-;
-; AVX-LABEL: combine_extrqi_pshufb_8i16:
-; AVX:       # BB#0:
-; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[2,3],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; AVX-NEXT:    retq
+; ALL-LABEL: combine_extrqi_pshufb_8i16:
+; ALL:       # BB#0:
+; ALL-NEXT:    extrq {{.*#+}} xmm0 = xmm0[2,3],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; ALL-NEXT:    retq
   %1 = shufflevector <8 x i16> %a0, <8 x i16> zeroinitializer, <8 x i32> <i32 1, i32 2, i32 8, i32 8, i32 undef, i32 undef, i32 undef, i32 undef>
   %2 = bitcast <8 x i16> %1 to <16 x i8>
   %3 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %2, <16 x i8> <i8 0, i8 1, i8 255, i8 255, i8 255, i8 255, i8 255, i8 255, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>)
@@ -43,9 +33,8 @@ define <8 x i16> @combine_extrqi_pshufb_8i16(<8 x i16> %a0) {
 define <16 x i8> @combine_insertqi_pshufb_16i8(<16 x i8> %a0, <16 x i8> %a1) {
 ; SSSE3-LABEL: combine_insertqi_pshufb_16i8:
 ; SSSE3:       # BB#0:
-; SSSE3-NEXT:    movl $65535, %eax # imm = 0xFFFF
-; SSSE3-NEXT:    movd %eax, %xmm0
-; SSSE3-NEXT:    pand %xmm1, %xmm0
+; SSSE3-NEXT:    extrq {{.*#+}} xmm1 = xmm1[0,1],zero,zero,zero,zero,zero,zero,xmm1[u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    movdqa %xmm1, %xmm0
 ; SSSE3-NEXT:    retq
 ;
 ; SSE42-LABEL: combine_insertqi_pshufb_16i8:
@@ -65,9 +54,8 @@ define <16 x i8> @combine_insertqi_pshufb_16i8(<16 x i8> %a0, <16 x i8> %a1) {
 define <8 x i16> @combine_insertqi_pshufb_8i16(<8 x i16> %a0, <8 x i16> %a1) {
 ; SSSE3-LABEL: combine_insertqi_pshufb_8i16:
 ; SSSE3:       # BB#0:
-; SSSE3-NEXT:    movl $65535, %eax # imm = 0xFFFF
-; SSSE3-NEXT:    movd %eax, %xmm0
-; SSSE3-NEXT:    pand %xmm1, %xmm0
+; SSSE3-NEXT:    extrq {{.*#+}} xmm1 = xmm1[0,1],zero,zero,zero,zero,zero,zero,xmm1[u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    movdqa %xmm1, %xmm0
 ; SSSE3-NEXT:    retq
 ;
 ; SSE42-LABEL: combine_insertqi_pshufb_8i16: