Remove unused CHECK

Author: Mel-Chen

llvm/test/Transforms/LoopVectorize/iv-select-cmp-trunc.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF4IC1
-; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF4IC4
-; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF1IC4
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s | FileCheck %s --check-prefix=CHECK-VF4IC1
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -S < %s | FileCheck %s --check-prefix=CHECK-VF4IC4
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -S < %s | FileCheck %s --check-prefix=CHECK-VF1IC4
 
 ; About the truncated test cases, the range analysis of induction variable is
 ; used to ensure the induction variable is always greater than the sentinal
@@ -1250,5 +1250,3 @@ exit:                                             ; preds = %for.body, %entry
 ; CHECK-VF1IC4: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
 ; CHECK-VF1IC4: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]]}
 ;.
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; CHECK: {{.*}}

llvm/test/Transforms/LoopVectorize/iv-select-cmp.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF4IC1
-; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF4IC4
-; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF1IC4
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s | FileCheck %s --check-prefix=CHECK-VF4IC1
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -S < %s | FileCheck %s --check-prefix=CHECK-VF4IC4
+; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -S < %s | FileCheck %s --check-prefix=CHECK-VF1IC4
 
 define i64 @select_icmp_const_1(ptr %a, i64 %n) {
 ; CHECK-VF4IC1-LABEL: define i64 @select_icmp_const_1(
@@ -2239,5 +2239,3 @@ exit:                                             ; preds = %for.body
 ; CHECK-VF1IC4: [[LOOP16]] = distinct !{[[LOOP16]], [[META1]], [[META2]]}
 ; CHECK-VF1IC4: [[LOOP17]] = distinct !{[[LOOP17]], [[META1]]}
 ;.
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; CHECK: {{.*}}

llvm/test/Transforms/LoopVectorize/select-min-index.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S %s | FileCheck %s --check-prefix=CHECK-VF4IC1 --check-prefix=CHECK
-; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=2 -S %s | FileCheck %s --check-prefix=CHECK-VF4IC2 --check-prefix=CHECK
-; RUN: opt -passes=loop-vectorize -force-vector-width=1 -force-vector-interleave=2 -S %s | FileCheck %s --check-prefix=CHECK-VF1IC2 --check-prefix=CHECK
+; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S %s | FileCheck %s --check-prefix=CHECK-VF4IC1
+; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=2 -S %s | FileCheck %s --check-prefix=CHECK-VF4IC2
+; RUN: opt -passes=loop-vectorize -force-vector-width=1 -force-vector-interleave=2 -S %s | FileCheck %s --check-prefix=CHECK-VF1IC2
 
 ; Test cases for selecting the index with the minimum value.
 
@@ -1085,5 +1085,3 @@ declare i16 @llvm.umin.i16(i16, i16)
 ; CHECK-VF1IC2: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
 ; CHECK-VF1IC2: [[LOOP3]] = distinct !{[[LOOP3]], [[META1]]}
 ;.
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; CHECK: {{.*}}