| /* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ | |
| /* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */ | |
| /* Exit tests 'i < N1' and 'p2 > p_limit2' can be replaced, so | |
| * two ivs i and p2 can be eliminate. */ | |
| long foo(long* p, long* p2, int N1, int N2) | |
| { | |
| int i = 0; | |
| long* p_limit2 = p2 + N2; | |
| long s = 0; | |
| while (i < N1) | |
| { | |
| p++; | |
| p2++; | |
| i++; | |
| if (p2 > p_limit2) | |
| break; | |
| s += (*p); | |
| } | |
| return s; | |
| } | |
| /* { dg-final { scan-tree-dump-times "Replacing" 2 "ivopts" } } */ |