// 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++ _BitInt(64) t0(_BitInt(32) a, _BitInt(32) b) { return a * b; // CHECK-NOTES: :[[@LINE-1]]:10: warning: performing an implicit widening conversion to type '_BitInt(64)' of a multiplication performed in type '_BitInt(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 _BitInt(64) t1(_BitInt(32) a, _BitInt(32) b) { return a * b; // CHECK-NOTES: :[[@LINE-1]]:10: warning: performing an implicit widening conversion to type 'unsigned _BitInt(64)' of a multiplication performed in type '_BitInt(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 } _BitInt(64) t2(unsigned _BitInt(32) a, unsigned _BitInt(32) b) { return a * b; // CHECK-NOTES: :[[@LINE-1]]:10: warning: performing an implicit widening conversion to type '_BitInt(64)' of a multiplication performed in type 'unsigned _BitInt(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 }