1 /* PR tree-optimization/50717 */
2 /* Ensure that widening multiply-and-accumulate is not used where integer
3 type promotion or users' casts should prevent it. */
4
5 /* { dg-options "-O2 -fdump-tree-widening_mul" } */
6
7 long long
f(unsigned int a,char b,long long c)8 f (unsigned int a, char b, long long c)
9 {
10 return (a * b) + c;
11 }
12
13 int
g(short a,short b,int c)14 g (short a, short b, int c)
15 {
16 return (short)(a * b) + c;
17 }
18
19 int
h(char a,char b,int c)20 h (char a, char b, int c)
21 {
22 return (char)(a * b) + c;
23 }
24
25 /* { dg-final { scan-tree-dump-times "WIDEN_MULT_PLUS_EXPR" 0 "widening_mul" } } */
26 /* { dg-final { cleanup-tree-dump "widening_mul" } } */
27