[llvm] r310791 - [X86][AVX512] Added additional shuffle+trunc test case.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sun Aug 13 05:30:36 2017
New Revision: 310791

URL: http://llvm.org/viewvc/llvm-project?rev=310791&view=rev
Log:
[X86][AVX512] Added additional shuffle+trunc test case.

An existing test should have covered this but a typo caused it to fail. I've kept both as the codegen for the typo case needs addressing as well. 

Modified:
    llvm/trunk/test/CodeGen/X86/shuffle-vs-trunc-512.ll

Modified: llvm/trunk/test/CodeGen/X86/shuffle-vs-trunc-512.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/shuffle-vs-trunc-512.ll?rev=310791&r1=310790&r2=310791&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/shuffle-vs-trunc-512.ll (original)
+++ llvm/trunk/test/CodeGen/X86/shuffle-vs-trunc-512.ll Sun Aug 13 05:30:36 2017
@@ -228,6 +228,56 @@ define void @trunc_v8i64_to_v8i8(<64 x i
   ret void
 }
 
+define <16 x i8> @trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_61(<64 x i8> %x) {
+; AVX512F-LABEL: trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_61:
+; AVX512F:       # BB#0:
+; AVX512F-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} xmm3 = <u,u,u,u,1,5,9,13,u,u,u,u,u,u,u,u>
+; AVX512F-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
+; AVX512F-NEXT:    vpshufb %xmm3, %xmm1, %xmm1
+; AVX512F-NEXT:    vpunpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
+; AVX512F-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512F-NEXT:    vmovdqa {{.*#+}} xmm3 = <1,5,9,13,u,u,u,u,u,u,u,u,u,u,u,u>
+; AVX512F-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
+; AVX512F-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
+; AVX512F-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; AVX512F-NEXT:    vpblendd {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
+; AVX512F-NEXT:    vzeroupper
+; AVX512F-NEXT:    retq
+;
+; AVX512VL-LABEL: trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_61:
+; AVX512VL:       # BB#0:
+; AVX512VL-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} xmm3 = <u,u,u,u,1,5,9,13,u,u,u,u,u,u,u,u>
+; AVX512VL-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpshufb %xmm3, %xmm1, %xmm1
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
+; AVX512VL-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512VL-NEXT:    vmovdqa {{.*#+}} xmm3 = <1,5,9,13,u,u,u,u,u,u,u,u,u,u,u,u>
+; AVX512VL-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
+; AVX512VL-NEXT:    vpshufb %xmm3, %xmm0, %xmm0
+; AVX512VL-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; AVX512VL-NEXT:    vpblendd {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
+; AVX512VL-NEXT:    vzeroupper
+; AVX512VL-NEXT:    retq
+;
+; AVX512BW-LABEL: trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_61:
+; AVX512BW:       # BB#0:
+; AVX512BW-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpmovdb %zmm0, %xmm0
+; AVX512BW-NEXT:    vzeroupper
+; AVX512BW-NEXT:    retq
+;
+; AVX512BWVL-LABEL: trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_61:
+; AVX512BWVL:       # BB#0:
+; AVX512BWVL-NEXT:    vpsrlw $8, %zmm0, %zmm0
+; AVX512BWVL-NEXT:    vpmovdb %zmm0, %xmm0
+; AVX512BWVL-NEXT:    vzeroupper
+; AVX512BWVL-NEXT:    retq
+  %res = shufflevector <64 x i8> %x, <64 x i8> %x, <16 x i32> <i32 1, i32 5, i32 9, i32 13, i32 17, i32 21, i32 25, i32 29, i32 33, i32 37, i32 41, i32 45, i32 49, i32 53, i32 57, i32 61>
+  ret <16 x i8> %res
+}
+
 define <16 x i8> @trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_62(<64 x i8> %x) {
 ; AVX512F-LABEL: trunc_shuffle_v64i8_01_05_09_13_17_21_25_29_33_37_41_45_49_53_57_62:
 ; AVX512F:       # BB#0: