| /* { dg-options "-O2 -fdump-tree-modref1" } */ |
| /* { dg-do compile } */ |
| __attribute__((noinline)) |
| void a(char *ptr, char *ptr2) |
| { |
| (*ptr)++; |
| (*ptr2)++; |
| } |
| |
| __attribute__((noinline)) |
| void b(char *ptr) |
| { |
| a(ptr+1,&ptr[3]); |
| } |
| |
| int main() |
| { |
| char c[5]={0,1,2,0,0}; |
| b(c); |
| return c[0]+c[4]; |
| } |
| /* Check that both param offsets are determined correctly and the computation |
| is optimized out. */ |
| /* { dg-final { scan-tree-dump "param offset:1" "modref1" } } */ |
| /* { dg-final { scan-tree-dump "param offset:3" "modref1" } } */ |
| /* { dg-final { scan-tree-dump "return 0" "modref1" } } */ |
