diff --git a/llvm/test/Transforms/CodeGenPrepare/X86/promoted-trunc-loc.ll b/llvm/test/Transforms/CodeGenPrepare/X86/promoted-trunc-loc.ll
index 12b5a148cc5c3f..42a701e9925a55 100644
--- a/llvm/test/Transforms/CodeGenPrepare/X86/promoted-trunc-loc.ll
+++ b/llvm/test/Transforms/CodeGenPrepare/X86/promoted-trunc-loc.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown | FileCheck %s
+; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown | FileCheck %s --match-full-lines
 
 ; Make sure the promoted trunc doesn't get a debug location associated.
 ; CHECK: %promoted = trunc i32 %or to i16