| /* { dg-options "-Os -fdump-rtl-hoist" } */ |
| /* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" { target { nonpic } } } } */ |
| /* { dg-final { cleanup-rtl-dump "hoist" } } */ |
| |
| #define BUF 100 |
| int a[BUF]; |
| |
| void com (int); |
| void bar (int); |
| |
| int foo (int x, int y, int z) |
| { |
| /* "x+y" won't be hoisted if "-fira-hoist-pressure" is disabled, |
| because its rtx_cost is too small. */ |
| if (z) |
| { |
| a[1] = a[0] + a[2]; |
| a[2] = a[1] + a[3]; |
| a[3] = a[2] + a[4]; |
| a[4] = a[3] + a[5]; |
| a[5] = a[4] + a[6]; |
| a[6] = a[5] + a[7]; |
| a[7] = a[6] + a[8]; |
| com (x+y); |
| } |
| else |
| { |
| bar (x+y); |
| } |
| |
| return 0; |
| } |