[X86][SSE4A] Test SSE4A shuffle combining on SSE42 capable target as well

llvm-svn: 307038

1 files changed, 36 insertions, 17 deletions

diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll
index 899c3eb5ed2..92cfbe124e7 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-sse4a.ll
@@ -1,9 +1,10 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+ssse3,+sse4a | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSE4A
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+ssse3,+sse4a | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSSE3
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.2,+sse4a | FileCheck %s --check-prefix=ALL --check-prefix=SSE --check-prefix=SSE42
 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx,+sse4a| FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=AVX1
 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2,+sse4a | FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=AVX2
 ;
-; Combine tests involving SSE41 target shuffles (BLEND,INSERTPS,MOVZX)
+; Combine tests involving SSE4A target shuffles (EXTRQI,INSERTQI)
 
 declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>)
 
@@ -25,11 +26,17 @@ define <16 x i8> @combine_extrqi_pshufb_16i8(<16 x i8> %a0) {
 }
 
 define <8 x i16> @combine_extrqi_pshufb_8i16(<8 x i16> %a0) {
-; SSE-LABEL: combine_extrqi_pshufb_8i16:
-; SSE:       # BB#0:
-; SSE-NEXT:    extrq {{.*#+}} xmm0 = xmm0[2,3,4,5],zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; SSE-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; SSE-NEXT:    retq
+; SSSE3-LABEL: combine_extrqi_pshufb_8i16:
+; SSSE3:       # BB#0:
+; SSSE3-NEXT:    extrq {{.*#+}} xmm0 = xmm0[2,3,4,5],zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    retq
+;
+; SSE42-LABEL: combine_extrqi_pshufb_8i16:
+; SSE42:       # BB#0:
+; SSE42-NEXT:    extrq {{.*#+}} xmm0 = xmm0[2,3,4,5],zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    retq
 ;
 ; AVX-LABEL: combine_extrqi_pshufb_8i16:
 ; AVX:       # BB#0:
@@ -44,11 +51,17 @@ 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) {
-; SSE-LABEL: combine_insertqi_pshufb_16i8:
-; SSE:       # BB#0:
-; SSE-NEXT:    insertq {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[3,4,5,6,7,u,u,u,u,u,u,u,u]
-; SSE-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; SSE-NEXT:    retq
+; SSSE3-LABEL: combine_insertqi_pshufb_16i8:
+; SSSE3:       # BB#0:
+; SSSE3-NEXT:    insertq {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[3,4,5,6,7,u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    retq
+;
+; SSE42-LABEL: combine_insertqi_pshufb_16i8:
+; SSE42:       # BB#0:
+; SSE42-NEXT:    insertq {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[3,4,5,6,7,u,u,u,u,u,u,u,u]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    retq
 ;
 ; AVX-LABEL: combine_insertqi_pshufb_16i8:
 ; AVX:       # BB#0:
@@ -61,11 +74,17 @@ 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) {
-; SSE-LABEL: combine_insertqi_pshufb_8i16:
-; SSE:       # BB#0:
-; SSE-NEXT:    insertq {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3,4,5,6,7,u,u,u,u,u,u,u,u]
-; SSE-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
-; SSE-NEXT:    retq
+; SSSE3-LABEL: combine_insertqi_pshufb_8i16:
+; SSSE3:       # BB#0:
+; SSSE3-NEXT:    insertq {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3,4,5,6,7,u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0,1],zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
+; SSSE3-NEXT:    retq
+;
+; SSE42-LABEL: combine_insertqi_pshufb_8i16:
+; SSE42:       # BB#0:
+; SSE42-NEXT:    insertq {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3,4,5,6,7,u,u,u,u,u,u,u,u]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    retq
 ;
 ; AVX-LABEL: combine_insertqi_pshufb_8i16:
 ; AVX:       # BB#0: