diff --git a/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp b/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
index 7969755a7bf4..05be9411a23c 100644
--- a/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
+++ b/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
@@ -11,15 +11,15 @@ extern PR23373 pr23373_a;
 
 PR23373 pr23373_b(pr23373_a);
 // CHECK-LABEL: define {{.*}} @__cxx_global_var_init(
-// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} @pr23373_b{{.*}}, {{.*}} @pr23373_a{{.*}}, i{{32|64}} 4, i32 4, i1 false)
+// CHECK: call void @llvm.memcpy.p0i8.p0i8.{{i32|i64}}({{.*}} @pr23373_b{{.*}}, {{.*}} @pr23373_a{{.*}}, [[W:i32|i64]] 4, i32 4, i1 false)
 
 PR23373 pr23373_f() { return pr23373_a; }
 // CHECK-LABEL: define {{.*}} @_Z9pr23373_fv(
-// CHECK:   call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}, i{{32|64}} 4, i32 4, i1 false)
+// CHECK:   call void @llvm.memcpy.p0i8.p0i8.[[W]]({{.*}}, [[W]] 4, i32 4, i1 false)
 
 void pr23373_g(PR23373 &a, PR23373 &b) { a = b; }
 // CHECK-LABEL: define {{.*}} @_Z9pr23373_g
-// CHECK:   call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}, i{{32|64}} 4, i32 4, i1 false)
+// CHECK:   call void @llvm.memcpy.p0i8.p0i8.[[W]]({{.*}}, [[W]] 4, i32 4, i1 false)
 
 struct A { virtual void a(); };
 A x(A& y) { return y; }