| /* { dg-do compile } */ |
| /* { dg-options "-O -fstrict-aliasing -fno-tree-sra --param max-aliased-vops=0 --param max-fields-for-field-sensitive=0 -fdump-tree-fre-details" } */ |
| |
| /* Should be optimized, propagating &a into (*p)[i] with parameters |
| --param max-aliased-vops=0 --param max-fields-for-field-sensitive=0 |
| which means max 1 VOP per stmt and no SFTs. */ |
| |
| /* 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 "Inserted .* &a" "fre" } } */ |
| /* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data" "fre" } } */ |
| /* { dg-final { cleanup-tree-dump "fre" } } */ |
