[X86][AVX] Add PR46249 test case

llvm · Jun 23, 2020 · f3c61b5 · f3c61b5
1 parent fa1b4a9
commit f3c61b5
Showing 1 changed file with 11 additions and 0 deletions.
diff --git 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: