[AVX512] Lower v8i64 and v16i32 to pshufd when possible.

llvm-svn: 272473

1 files changed, 19 insertions, 1 deletions

diff --git a/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll b/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
index 12a913c74f8..c3d3f7eaf4d 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; NOTE: Assertions have been autogenerated by update_llc_test_checks.py
 ; RUN: llc < %s -mcpu=x86-64 -mattr=+avx512f | FileCheck %s --check-prefix=ALL --check-prefix=AVX512 --check-prefix=AVX512F
 ; RUN: llc < %s -mcpu=x86-64 -mattr=+avx512bw | FileCheck %s --check-prefix=ALL --check-prefix=AVX512 --check-prefix=AVX512BW
 
@@ -225,3 +225,21 @@ define <8 x float> @shuffle_v16f32_extract_256(float* %RET, float* %a) {
   %v2 = shufflevector <16 x float> %v_a, <16 x float> undef, <8 x i32>  <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   ret <8 x float> %v2
 }
+
+define <16 x i32> @shuffle_v16i16_1_0_0_0_5_4_4_4_9_8_8_8_13_12_12_12(<16 x i32> %a, <16 x i32> %b)  {
+; ALL-LABEL: shuffle_v16i16_1_0_0_0_5_4_4_4_9_8_8_8_13_12_12_12:
+; ALL:       # BB#0:
+; ALL-NEXT:    vpshufd {{.*#+}} zmm0 = zmm0[1,0,0,0,5,4,4,4,9,8,8,8,13,12,12,12]
+; ALL-NEXT:    retq
+  %c = shufflevector <16 x i32> %a, <16 x i32> %b, <16 x i32> <i32 1, i32 0, i32 0, i32 0, i32 5, i32 4, i32 4, i32 4, i32 9, i32 8, i32 8, i32 8, i32 13, i32 12, i32 12, i32 12>
+  ret <16 x i32> %c
+}
+
+define <16 x i32> @shuffle_v16i16_3_3_0_0_7_7_4_4_11_11_8_8_15_15_12_12(<16 x i32> %a, <16 x i32> %b)  {
+; ALL-LABEL: shuffle_v16i16_3_3_0_0_7_7_4_4_11_11_8_8_15_15_12_12:
+; ALL:       # BB#0:
+; ALL-NEXT:    vpshufd {{.*#+}} zmm0 = zmm0[2,3,0,1,6,7,4,5,10,11,8,9,14,15,12,13]
+; ALL-NEXT:    retq
+  %c = shufflevector <16 x i32> %a, <16 x i32> %b, <16 x i32> <i32 2, i32 3, i32 0, i32 1, i32 6, i32 7, i32 4, i32 5, i32 10, i32 11, i32 8, i32 9, i32 14, i32 15, i32 12, i32 13>
+  ret <16 x i32> %c
+}