| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-dce3" } */ | |
| struct X { float array[2]; }; | |
| struct X a,b; | |
| float foobar () { | |
| float s = 0; | |
| unsigned int d; | |
| struct X c; | |
| for (d=0; d<2; ++d) | |
| c.array[d] = a.array[d] * b.array[d]; | |
| for (d=0; d<2; ++d) | |
| s+=c.array[d]; | |
| return s; | |
| } | |
| /* The temporary structure should have been promoted to registers | |
| by FRE after the loops have been unrolled by the early unrolling pass. */ | |
| /* { dg-final { scan-tree-dump-not "c\.array" "dce3" } } */ |