| /* { dg-do compile } */ | |
| /* { dg-options "-O -fstrict-aliasing -fno-tree-sra -fdump-tree-fre1-details" } */ | |
| /* Should be optimized, propagating &a into (*p)[i]. */ | |
| /* For this testcase we need TBAA to work. */ | |
| struct Foo | |
| { | |
| void *data; | |
| int size; | |
| }; | |
| void foo(double (*q)[4], struct Foo *tmp1) | |
| { | |
| double a[4]; | |
| int i; | |
| tmp1->data = &a; | |
| tmp1->size = 4; | |
| for (i=0; i<4; ++i) | |
| { | |
| double (*p)[4] = tmp1->data; | |
| (*p)[i] = (*q)[i]; | |
| } | |
| } | |
| /* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data with &a" "fre1" } } */ |