[X86] Add extra test coverage for combining shuffles to PACKSS/PACKUS

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350707 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/vector-shuffle-combining-avx2.ll b/test/CodeGen/X86/vector-shuffle-combining-avx2.ll
index 2ea0f1a..dda9e14 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-combining-avx2.ll
+++ b/test/CodeGen/X86/vector-shuffle-combining-avx2.ll
@@ -611,6 +611,44 @@ define <32 x i8> @shuffle_combine_packuswb_pshufb(<16 x i16> %a0, <16 x i16> %a1
 }
 declare <32 x i8> @llvm.x86.avx2.packuswb(<16 x i16>, <16 x i16>) nounwind readnone
 
+define <32 x i8> @combine_pshufb_as_packsswb(<16 x i16> %a0, <16 x i16> %a1) nounwind {
+; CHECK-LABEL: combine_pshufb_as_packsswb:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vpsraw $11, %ymm0, %ymm0
+; CHECK-NEXT:    vpsraw $11, %ymm1, %ymm1
+; CHECK-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,ymm0[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero
+; CHECK-NEXT:    vpshufb {{.*#+}} ymm1 = zero,zero,zero,zero,zero,zero,zero,zero,ymm1[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,ymm1[16,18,20,22,24,26,28,30]
+; CHECK-NEXT:    vpor %ymm1, %ymm0, %ymm0
+; CHECK-NEXT:    ret{{[l|q]}}
+  %1 = ashr <16 x i16> %a0, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %2 = ashr <16 x i16> %a1, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %3 = bitcast <16 x i16> %1 to <32 x i8>
+  %4 = bitcast <16 x i16> %2 to <32 x i8>
+  %5 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %3, <32 x i8> <i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>)
+  %6 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %4, <32 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14>)
+  %7 = or <32 x i8> %5, %6
+  ret <32 x i8> %7
+}
+
+define <32 x i8> @combine_pshufb_as_packuswb(<16 x i16> %a0, <16 x i16> %a1) nounwind {
+; CHECK-LABEL: combine_pshufb_as_packuswb:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vpsrlw $11, %ymm0, %ymm0
+; CHECK-NEXT:    vpsrlw $11, %ymm1, %ymm1
+; CHECK-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,ymm0[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero
+; CHECK-NEXT:    vpshufb {{.*#+}} ymm1 = zero,zero,zero,zero,zero,zero,zero,zero,ymm1[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,ymm1[16,18,20,22,24,26,28,30]
+; CHECK-NEXT:    vpor %ymm1, %ymm0, %ymm0
+; CHECK-NEXT:    ret{{[l|q]}}
+  %1 = lshr <16 x i16> %a0, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %2 = lshr <16 x i16> %a1, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %3 = bitcast <16 x i16> %1 to <32 x i8>
+  %4 = bitcast <16 x i16> %2 to <32 x i8>
+  %5 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %3, <32 x i8> <i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>)
+  %6 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %4, <32 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14>)
+  %7 = or <32 x i8> %5, %6
+  ret <32 x i8> %7
+}
+
 define <16 x i8> @combine_pshufb_insertion_as_broadcast_v2i64(i64 %a0) {
 ; X86-LABEL: combine_pshufb_insertion_as_broadcast_v2i64:
 ; X86:       # %bb.0:

diff --git a/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll b/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
index b8d3824..5c40520 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
+++ b/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
@@ -824,6 +824,62 @@ define <32 x i16> @combine_pshufb_as_pshufhw(<32 x i16> %a0) {
   ret <32 x i16> %1
 }
 
+define <64 x i8> @combine_pshufb_as_packsswb(<32 x i16> %a0, <32 x i16> %a1) nounwind {
+; X32-LABEL: combine_pshufb_as_packsswb:
+; X32:       # %bb.0:
+; X32-NEXT:    vpsraw $11, %zmm0, %zmm0
+; X32-NEXT:    vpsraw $11, %zmm1, %zmm1
+; X32-NEXT:    vpshufb {{.*#+}} zmm0 = zmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[48,50,52,54,56,58,60,62],zero,zero,zero,zero,zero,zero,zero,zero
+; X32-NEXT:    vpshufb {{.*#+}} zmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zmm1[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[48,50,52,54,56,58,60,62]
+; X32-NEXT:    vporq %zmm1, %zmm0, %zmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: combine_pshufb_as_packsswb:
+; X64:       # %bb.0:
+; X64-NEXT:    vpsraw $11, %zmm0, %zmm0
+; X64-NEXT:    vpsraw $11, %zmm1, %zmm1
+; X64-NEXT:    vpshufb {{.*#+}} zmm0 = zmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[48,50,52,54,56,58,60,62],zero,zero,zero,zero,zero,zero,zero,zero
+; X64-NEXT:    vpshufb {{.*#+}} zmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zmm1[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[48,50,52,54,56,58,60,62]
+; X64-NEXT:    vporq %zmm1, %zmm0, %zmm0
+; X64-NEXT:    retq
+  %1 = ashr <32 x i16> %a0, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %2 = ashr <32 x i16> %a1, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %3 = bitcast <32 x i16> %1 to <64 x i8>
+  %4 = bitcast <32 x i16> %2 to <64 x i8>
+  %5 = tail call <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8> %3, <64 x i8> <i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <64 x i8> undef, i64 -1)
+  %6 = tail call <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8> %4, <64 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14>, <64 x i8> undef, i64 -1)
+  %7 = or <64 x i8> %5, %6
+  ret <64 x i8> %7
+}
+
+define <64 x i8> @combine_pshufb_as_packuswb(<32 x i16> %a0, <32 x i16> %a1) nounwind {
+; X32-LABEL: combine_pshufb_as_packuswb:
+; X32:       # %bb.0:
+; X32-NEXT:    vpsrlw $11, %zmm0, %zmm0
+; X32-NEXT:    vpsrlw $11, %zmm1, %zmm1
+; X32-NEXT:    vpshufb {{.*#+}} zmm0 = zmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[48,50,52,54,56,58,60,62],zero,zero,zero,zero,zero,zero,zero,zero
+; X32-NEXT:    vpshufb {{.*#+}} zmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zmm1[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[48,50,52,54,56,58,60,62]
+; X32-NEXT:    vporq %zmm1, %zmm0, %zmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: combine_pshufb_as_packuswb:
+; X64:       # %bb.0:
+; X64-NEXT:    vpsrlw $11, %zmm0, %zmm0
+; X64-NEXT:    vpsrlw $11, %zmm1, %zmm1
+; X64-NEXT:    vpshufb {{.*#+}} zmm0 = zmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm0[48,50,52,54,56,58,60,62],zero,zero,zero,zero,zero,zero,zero,zero
+; X64-NEXT:    vpshufb {{.*#+}} zmm1 = zero,zero,zero,zero,zero,zero,zero,zero,zmm1[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[16,18,20,22,24,26,28,30],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[32,34,36,38,40,42,44,46],zero,zero,zero,zero,zero,zero,zero,zero,zmm1[48,50,52,54,56,58,60,62]
+; X64-NEXT:    vporq %zmm1, %zmm0, %zmm0
+; X64-NEXT:    retq
+  %1 = lshr <32 x i16> %a0, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %2 = lshr <32 x i16> %a1, <i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11, i16 11>
+  %3 = bitcast <32 x i16> %1 to <64 x i8>
+  %4 = bitcast <32 x i16> %2 to <64 x i8>
+  %5 = tail call <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8> %3, <64 x i8> <i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <64 x i8> undef, i64 -1)
+  %6 = tail call <64 x i8> @llvm.x86.avx512.mask.pshuf.b.512(<64 x i8> %4, <64 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14>, <64 x i8> undef, i64 -1)
+  %7 = or <64 x i8> %5, %6
+  ret <64 x i8> %7
+}
+
 define <32 x i16> @combine_vpermi2var_32i16_as_pshufb(<32 x i16> %a0) {
 ; X32-LABEL: combine_vpermi2var_32i16_as_pshufb:
 ; X32:       # %bb.0: