diff --git a/test/tools/llvm-objdump/X86/source-interleave-missing-source.test b/test/tools/llvm-objdump/X86/source-interleave-missing-source.test
index 166caeb41b5..d9877284721 100644
--- a/test/tools/llvm-objdump/X86/source-interleave-missing-source.test
+++ b/test/tools/llvm-objdump/X86/source-interleave-missing-source.test
@@ -7,7 +7,7 @@
 # RUN: llc -o %t.o -filetype=obj -mtriple=x86_64-pc-linux %t.ll
 # RUN: llc -o %t2.o -filetype=obj -mtriple=x86_64-pc-linux %t2.ll
 
-# RUN: llvm-objdump --source %t.o | FileCheck %s --implicit-check-not=main
+# RUN: llvm-objdump --source %t.o | FileCheck %s --implicit-check-not='main()'
 # RUN: llvm-objdump --source %t2.o | FileCheck %s --check-prefixes=CHECK,SOURCE
 
 # CHECK:       0000000000000010 main:
diff --git a/test/tools/llvm-objdump/X86/source-interleave-no-debug-info.test b/test/tools/llvm-objdump/X86/source-interleave-no-debug-info.test
index 4a0a34a9eae..15f7b7ecb22 100644
--- a/test/tools/llvm-objdump/X86/source-interleave-no-debug-info.test
+++ b/test/tools/llvm-objdump/X86/source-interleave-no-debug-info.test
@@ -6,7 +6,7 @@
 # RUN: llvm-objcopy --strip-debug %t.o %t2.o
 
 # RUN: llvm-objdump --source %t.o | FileCheck %s --check-prefixes=CHECK,SOURCE
-# RUN: llvm-objdump --source %t2.o | FileCheck %s --implicit-check-not=main
+# RUN: llvm-objdump --source %t2.o | FileCheck %s --implicit-check-not='main()'
 
 # CHECK:       0000000000000010 main:
 # SOURCE-NEXT: ; int main() {
diff --git a/test/tools/llvm-objdump/X86/source-interleave-relative-paths.test b/test/tools/llvm-objdump/X86/source-interleave-relative-paths.test
index f9c69dfc0c0..baf4ec919c0 100644
--- a/test/tools/llvm-objdump/X86/source-interleave-relative-paths.test
+++ b/test/tools/llvm-objdump/X86/source-interleave-relative-paths.test
@@ -17,18 +17,18 @@
 
 # RUN: cd %t
 # RUN: llvm-objdump --source a/a.o | FileCheck %s --check-prefixes=CHECK,SOURCE
-# RUN: llvm-objdump --source a/b.o | FileCheck %s --implicit-check-not=main
-# RUN: llvm-objdump --source a/c.o | FileCheck %s --implicit-check-not=main
-# RUN: llvm-objdump --source a/d.o | FileCheck %s --implicit-check-not=main
+# RUN: llvm-objdump --source a/b.o | FileCheck %s --implicit-check-not='main()'
+# RUN: llvm-objdump --source a/c.o | FileCheck %s --implicit-check-not='main()'
+# RUN: llvm-objdump --source a/d.o | FileCheck %s --implicit-check-not='main()'
 # RUN: cd a
-# RUN: llvm-objdump --source a.o | FileCheck %s --implicit-check-not=main
+# RUN: llvm-objdump --source a.o | FileCheck %s --implicit-check-not='main()'
 # RUN: llvm-objdump --source b.o | FileCheck %s --check-prefixes=CHECK,SOURCE
 # RUN: llvm-objdump --source c.o | FileCheck %s --check-prefixes=CHECK,SOURCE
-# RUN: llvm-objdump --source d.o | FileCheck %s --implicit-check-not=main
+# RUN: llvm-objdump --source d.o | FileCheck %s --implicit-check-not='main()'
 # RUN: cd b
-# RUN: llvm-objdump --source ../a.o | FileCheck %s --implicit-check-not=main
-# RUN: llvm-objdump --source ../b.o | FileCheck %s --implicit-check-not=main
-# RUN: llvm-objdump --source ../c.o | FileCheck %s --implicit-check-not=main
+# RUN: llvm-objdump --source ../a.o | FileCheck %s --implicit-check-not='main()'
+# RUN: llvm-objdump --source ../b.o | FileCheck %s --implicit-check-not='main()'
+# RUN: llvm-objdump --source ../c.o | FileCheck %s --implicit-check-not='main()'
 # RUN: llvm-objdump --source ../d.o | FileCheck %s --check-prefixes=CHECK,SOURCE
 
 # CHECK:       0000000000000010 main: