[X86] avg.ll - add common CHECK prefix

Author: RKSimon

llvm/test/CodeGen/X86/avg.ll

@@ -1,9 +1,9 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE2
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX --check-prefix=AVX512 --check-prefix=AVX512F
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefix=AVX --check-prefix=AVX512 --check-prefix=AVX512BW
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SSE2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=CHECK,AVX,AVX1
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefixes=CHECK,AVX,AVX512,AVX512F
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefixes=CHECK,AVX,AVX512,AVX512BW
 
 define void @avg_v4i8(ptr %a, ptr %b) nounwind {
 ; SSE2-LABEL: avg_v4i8:
@@ -1971,23 +1971,14 @@ define void @not_avg_v16i8_wide_constants(ptr %a, ptr %b) nounwind {
 
 ; Make sure we don't fail on single element vectors.
 define <1 x i8> @avg_v1i8(<1 x i8> %x, <1 x i8> %y) {
-; SSE2-LABEL: avg_v1i8:
-; SSE2:       # %bb.0:
-; SSE2-NEXT:    movl %edi, %eax
-; SSE2-NEXT:    orb %sil, %al
-; SSE2-NEXT:    xorb %sil, %dil
-; SSE2-NEXT:    shrb %dil
-; SSE2-NEXT:    subb %dil, %al
-; SSE2-NEXT:    retq
-;
-; AVX-LABEL: avg_v1i8:
-; AVX:       # %bb.0:
-; AVX-NEXT:    movl %edi, %eax
-; AVX-NEXT:    orb %sil, %al
-; AVX-NEXT:    xorb %sil, %dil
-; AVX-NEXT:    shrb %dil
-; AVX-NEXT:    subb %dil, %al
-; AVX-NEXT:    retq
+; CHECK-LABEL: avg_v1i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movl %edi, %eax
+; CHECK-NEXT:    orb %sil, %al
+; CHECK-NEXT:    xorb %sil, %dil
+; CHECK-NEXT:    shrb %dil
+; CHECK-NEXT:    subb %dil, %al
+; CHECK-NEXT:    retq
   %a = zext <1 x i8> %x to <1 x i16>
   %b = zext <1 x i8> %y to <1 x i16>
   %c = add <1 x i16> %a, %b