| // RUN: %check_clang_tidy -std=c99 %s bugprone-implicit-widening-of-multiplication-result %t -- -- -target x86_64-unknown-unknown -x c |
| // RUN: %check_clang_tidy %s bugprone-implicit-widening-of-multiplication-result %t -- -- -target x86_64-unknown-unknown -x c++ |
| |
| _ExtInt(64) t0(_ExtInt(32) a, _ExtInt(32) b) { |
| return a * b; |
| // CHECK-NOTES: :[[@LINE-1]]:10: warning: performing an implicit widening conversion to type '_ExtInt(64)' of a multiplication performed in type '_ExtInt(32)' |
| // CHECK-NOTES: :[[@LINE-2]]:10: note: make conversion explicit to silence this warning |
| // CHECK-NOTES: :[[@LINE-3]]:10: note: perform multiplication in a wider type |
| } |
| unsigned _ExtInt(64) t1(_ExtInt(32) a, _ExtInt(32) b) { |
| return a * b; |
| // CHECK-NOTES: :[[@LINE-1]]:10: warning: performing an implicit widening conversion to type 'unsigned _ExtInt(64)' of a multiplication performed in type '_ExtInt(32)' |
| // CHECK-NOTES: :[[@LINE-2]]:10: note: make conversion explicit to silence this warning |
| // CHECK-NOTES: :[[@LINE-3]]:10: note: perform multiplication in a wider type |
| } |
| _ExtInt(64) t2(unsigned _ExtInt(32) a, unsigned _ExtInt(32) b) { |
| return a * b; |
| // CHECK-NOTES: :[[@LINE-1]]:10: warning: performing an implicit widening conversion to type '_ExtInt(64)' of a multiplication performed in type 'unsigned _ExtInt(32)' |
| // CHECK-NOTES: :[[@LINE-2]]:10: note: make conversion explicit to silence this warning |
| // CHECK-NOTES: :[[@LINE-3]]:10: note: perform multiplication in a wider type |
| } |
