1*89a1d03eSRichard // RUN: rm -rf %t
2*89a1d03eSRichard // RUN: mkdir %t
3*89a1d03eSRichard // RUN: cp %S/Inputs/unnecessary-value-param/header.h %t/header.h
4*89a1d03eSRichard // RUN: %check_clang_tidy %s performance-unnecessary-value-param %t/temp -- -- -I %t
5*89a1d03eSRichard // RUN: diff %t/header.h %S/Inputs/unnecessary-value-param/header-fixed.h
6*89a1d03eSRichard 
7*89a1d03eSRichard #include "header.h"
8*89a1d03eSRichard 
9*89a1d03eSRichard 
10*89a1d03eSRichard 
f1(int n,ABC v1,ABC v2)11*89a1d03eSRichard int f1(int n, ABC v1, ABC v2) {
12*89a1d03eSRichard   // CHECK-MESSAGES: [[@LINE-1]]:19: warning: the parameter 'v1' is copied for each invocation but only used as a const reference; consider making it a const reference [performance-unnecessary-value-param]
13*89a1d03eSRichard   // CHECK-MESSAGES: [[@LINE-2]]:27: warning: the parameter 'v2' is copied for each invocation but only used as a const reference; consider making it a const reference [performance-unnecessary-value-param]
14*89a1d03eSRichard   // CHECK-FIXES: int f1(int n, const ABC& v1, const ABC& v2) {
15*89a1d03eSRichard   return v1.get(n) + v2.get(n);
16*89a1d03eSRichard }
f2(int n,ABC v2)17*89a1d03eSRichard int f2(int n, ABC v2) {
18*89a1d03eSRichard   // CHECK-MESSAGES: [[@LINE-1]]:19: warning: the parameter 'v2' is copied for each invocation but only used as a const reference; consider making it a const reference [performance-unnecessary-value-param]
19*89a1d03eSRichard   // CHECK-FIXES: int f2(int n, const ABC& v2) {
20*89a1d03eSRichard }
21