diff --git a/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.generated.all.expected b/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.generated.all.expected
index 6ec6116537751..66959811660d6 100644
--- a/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.generated.all.expected
+++ b/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.generated.all.expected
@@ -247,12 +247,12 @@ void foo(void) {
 //.
 // OMP: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
 // OMP: [[META1:![0-9]+]] = !{i32 7, !"openmp", i32 51}
-// OMP: [[META2:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
+// OMP: [[META2:![0-9]+]] = !{!"clang version {{.*}}"}
 // OMP: [[META3:![0-9]+]] = !{[[META4:![0-9]+]]}
 // OMP: [[META4]] = !{i64 2, i64 -1, i64 -1, i1 true}
 //.
 // NOOMP: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
-// NOOMP: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
+// NOOMP: [[META1:![0-9]+]] = !{!"clang version {{.*}}"}
 // NOOMP: [[LOOP2]] = distinct !{[[LOOP2]], [[META3:![0-9]+]]}
 // NOOMP: [[META3]] = !{!"llvm.loop.mustprogress"}
 // NOOMP: [[LOOP4]] = distinct !{[[LOOP4]], [[META3]]}
diff --git a/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.no-generated.all.expected b/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.no-generated.all.expected
index 1b0074023a60c..219e5ceee6c78 100644
--- a/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.no-generated.all.expected
+++ b/clang/test/utils/update_cc_test_checks/Inputs/generated-funcs.c.no-generated.all.expected
@@ -118,12 +118,12 @@ void foo(void) {
 //.
 // OMP: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
 // OMP: [[META1:![0-9]+]] = !{i32 7, !"openmp", i32 51}
-// OMP: [[META2:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
+// OMP: [[META2:![0-9]+]] = !{!"clang version {{.*}}"}
 // OMP: [[META3:![0-9]+]] = !{[[META4:![0-9]+]]}
 // OMP: [[META4]] = !{i64 2, i64 -1, i64 -1, i1 true}
 //.
 // NOOMP: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
-// NOOMP: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
+// NOOMP: [[META1:![0-9]+]] = !{!"clang version {{.*}}"}
 // NOOMP: [[LOOP2]] = distinct !{[[LOOP2]], [[META3:![0-9]+]]}
 // NOOMP: [[META3]] = !{!"llvm.loop.mustprogress"}
 // NOOMP: [[LOOP4]] = distinct !{[[LOOP4]], [[META3]]}
diff --git a/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.globals.expected b/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.globals.expected
index ea35ec593720e..a867c34090123 100644
--- a/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.globals.expected
+++ b/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.globals.expected
@@ -250,13 +250,13 @@ attributes #3 = { nounwind }
 ; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
 ; CHECK: attributes #[[ATTR3]] = { nounwind }
 ;.
-; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
+; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: [[META1:![0-9]+]], producer: "clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
 ; CHECK: [[META1]] = !DIFile(filename: "various_ir_values.c", directory: {{.*}})
 ; CHECK: [[META2]] = !{}
 ; CHECK: [[META3:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
 ; CHECK: [[META4:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
 ; CHECK: [[META5:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
-; CHECK: [[META6:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
+; CHECK: [[META6:![0-9]+]] = !{!"clang version {{.*}}"}
 ; CHECK: [[DBG7]] = distinct !DISubprogram(name: "foo", scope: [[META1]], file: [[META1]], line: 1, type: [[META8:![0-9]+]], scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META12:![0-9]+]])
 ; CHECK: [[META8]] = !DISubroutineType(types: [[META9:![0-9]+]])
 ; CHECK: [[META9]] = !{null, [[META10:![0-9]+]]}
diff --git a/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.transitiveglobals.expected b/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.transitiveglobals.expected
index 73d17052212e1..debe0911d9112 100644
--- a/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.transitiveglobals.expected
+++ b/llvm/test/tools/UpdateTestChecks/update_test_checks/Inputs/various_ir_values.ll.funcsig.transitiveglobals.expected
@@ -243,7 +243,7 @@ attributes #3 = { nounwind }
 !61 = !{!"branch_weights", i32 1, i32 1048575}
 !62 = distinct !DIAssignID()
 ;.
-; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
+; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: [[META1:![0-9]+]], producer: "clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
 ; CHECK: [[META1]] = !DIFile(filename: "various_ir_values.c", directory: {{.*}})
 ; CHECK: [[META2]] = !{}
 ; CHECK: [[META7:![0-9]+]] = distinct !DISubprogram(name: "foo", scope: [[META1]], file: [[META1]], line: 1, type: [[META8:![0-9]+]], scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META12:![0-9]+]])
diff --git a/llvm/utils/UpdateTestChecks/common.py b/llvm/utils/UpdateTestChecks/common.py
index 6f8180540cd9e..1cc139c37aa6a 100644
--- a/llvm/utils/UpdateTestChecks/common.py
+++ b/llvm/utils/UpdateTestChecks/common.py
@@ -1575,16 +1575,17 @@ def add(var):
     ]
 
 
+# The capture group is kept as is, followed by a {{.*}} glob
 METADATA_FILTERS = [
-    (r"(?<=\")(\w+ )?(\w+ version )[\d.]+(?: \([^)]+\))?", r"{{.*}}\2{{.*}}"), # preface with glob also, to capture optional CLANG_VENDOR
-    (r'(!DIFile\(filename: ".+", directory: )".+"', r"\1{{.*}}"),
+    r"(\w+ version )[\d.]+(?: \([^)]+\))?",
+    r'(!DIFile\(filename: ".+", directory: )".+"',
 ]
-METADATA_FILTERS_RE = [(re.compile(f),r) for (f,r) in METADATA_FILTERS]
+METADATA_FILTERS_RE = [re.compile(s) for s in METADATA_FILTERS]
 
 
 def filter_unstable_metadata(line):
-    for (f,replacement) in METADATA_FILTERS_RE:
-        line = f.sub(replacement, line)
+    for f in METADATA_FILTERS_RE:
+        line = f.sub(r"\1{{.*}}", line)
     return line