[llvm] f3c61b5 - [X86][AVX] Add PR46249 test case

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2020-06-23T17:07:53+01:00
New Revision: f3c61b56e6d33f4f461191696328c74274a00ee1

URL: https://github.com/llvm/llvm-project/commit/f3c61b56e6d33f4f461191696328c74274a00ee1
DIFF: https://github.com/llvm/llvm-project/commit/f3c61b56e6d33f4f461191696328c74274a00ee1.diff

LOG: [X86][AVX] Add PR46249 test case

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll

Removed: 
    


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diff  --git a/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll b/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
index 3b14959035eb..518fe2998a63 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
@@ -260,6 +260,17 @@ define <16 x float> @shuffle_v16f32_0f_1f_0e_16_0d_1d_04_1e_0b_1b_0a_1a_09_19_08
   ret <16 x float> %c
 }
 
+; PR46249
+define <16 x i32> @shuffle_v16i32_0b_0a_09_08_0f_0e_0d_0c_03_02_01_00_07_06_05_04(<16 x i32> %a) {
+; ALL-LABEL: shuffle_v16i32_0b_0a_09_08_0f_0e_0d_0c_03_02_01_00_07_06_05_04:
+; ALL:       # %bb.0:
+; ALL-NEXT:    vmovaps {{.*#+}} zmm1 = [11,10,9,8,15,14,13,12,3,2,1,0,7,6,5,4]
+; ALL-NEXT:    vpermps %zmm0, %zmm1, %zmm0
+; ALL-NEXT:    retq
+  %1 = shufflevector <16 x i32> %a, <16 x i32> undef, <16 x i32> <i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12, i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
+  ret <16 x i32> %1
+}
+
 define <16 x float> @shuffle_v16f32_load_0f_1f_0e_16_0d_1d_04_1e_0b_1b_0a_1a_09_19_08_18(<16 x float> %a, <16 x float>* %b)  {
 ; ALL-LABEL: shuffle_v16f32_load_0f_1f_0e_16_0d_1d_04_1e_0b_1b_0a_1a_09_19_08_18:
 ; ALL:       # %bb.0: