File: implicit-widening-of-multiplication-result-short.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (15 lines) | stat: -rw-r--r-- 986 bytes parent folder | download | duplicates (25)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
// 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++

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