[llvm] 24d06ff - [x86] add test for pcmpeq with 0; NFC

[Sanjay Patel via llvm-commits]

Author: Sanjay Patel
Date: 2021-05-12T08:25:29-04:00
New Revision: 24d06fff55510780eba1a267d844ee26a17d6888

URL: https://github.com/llvm/llvm-project/commit/24d06fff55510780eba1a267d844ee26a17d6888
DIFF: https://github.com/llvm/llvm-project/commit/24d06fff55510780eba1a267d844ee26a17d6888.diff

LOG: [x86] add test for pcmpeq with 0; NFC

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/setcc-lowering.ll

Removed: 
    


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diff  --git a/llvm/test/CodeGen/X86/setcc-lowering.ll b/llvm/test/CodeGen/X86/setcc-lowering.ll
index eb0d92f4539c..0edd17928028 100644
--- a/llvm/test/CodeGen/X86/setcc-lowering.ll
+++ b/llvm/test/CodeGen/X86/setcc-lowering.ll
@@ -103,3 +103,27 @@ for_loop599:                                      ; preds = %for_loop599, %for_t
 for_exit600:                                      ; preds = %for_loop599
   ret void
 }
+
+define <4 x i32> @pcmpgt(<4 x i8> %x) {
+; AVX-LABEL: pcmpgt:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpcmpeqd %xmm1, %xmm1, %xmm1
+; AVX-NEXT:    vpxor %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; KNL-32-LABEL: pcmpgt:
+; KNL-32:       # %bb.0:
+; KNL-32-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; KNL-32-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; KNL-32-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
+; KNL-32-NEXT:    vpternlogq $15, %zmm0, %zmm0, %zmm0
+; KNL-32-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
+; KNL-32-NEXT:    retl
+  %zext = zext <4 x i8> %x to <4 x i32>
+  %icmp = icmp ne <4 x i32> %zext, zeroinitializer
+  %sext = sext <4 x i1> %icmp to <4 x i32>
+  ret <4 x i32> %sext
+}