| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-pre-stats" } */ |
| /* LLVM LOCAL test not applicable */ |
| /* { dg-require-fdump "" } */ |
| double cos (double) __attribute__ ((const)); |
| double sin (double) __attribute__ ((const)); |
| double f(double a) |
| { |
| double b; |
| double c,d; |
| double (*fp) (double) __attribute__ ((const)); |
| /* Fully redundant call, but we need a phi node to merge the results. */ |
| if (a < 2.0) |
| { |
| fp = sin; |
| c = fp (a); |
| } |
| else |
| { |
| c = 1.0; |
| fp = cos; |
| c = fp (a); |
| } |
| d = fp (a); |
| return d + c; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */ |
| /* { dg-final { cleanup-tree-dump "pre" } } */ |
