Cleanup unused check labels

Author: peterbell10

llvm/test/Transforms/SLPVectorizer/NVPTX/v2f16.ll

@@ -1,8 +1,8 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_90 | FileCheck %s -check-prefixes=VECTOR,SM90
-; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_80 | FileCheck %s -check-prefixes=VECTOR,SM80
-; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_70 | FileCheck %s -check-prefixes=VECTOR,SM70
-; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_50 | FileCheck %s -check-prefixes=NOVECTOR,SM50
+; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_90 | FileCheck %s -check-prefix=VECTOR
+; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_80 | FileCheck %s -check-prefix=VECTOR
+; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_70 | FileCheck %s -check-prefix=VECTOR
+; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=nvptx64-nvidia-cuda -mcpu=sm_50 | FileCheck %s -check-prefix=NOVECTOR
 
 define void @fusion(ptr noalias nocapture align 256 dereferenceable(19267584) %arg, ptr noalias nocapture readonly align 256 dereferenceable(19267584) %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr #0 {
 ; VECTOR-LABEL: @fusion(
@@ -116,8 +116,3 @@ declare noundef i32 @llvm.nvvm.read.ptx.sreg.tid.x() #1
 
 attributes #0 = { nounwind }
 attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; SM50: {{.*}}
-; SM70: {{.*}}
-; SM80: {{.*}}
-; SM90: {{.*}}