| /* Check if unlikely_cutoff works as expected. Function foo is unlikely because of the cutoff. */ |
| /* { dg-require-section-exclude "" } */ |
| /* { dg-require-linker-function-reordering-plugin "" } */ |
| /* { dg-options "-O2 -freorder-functions=callgraph -ffunction-sections -Wl,-plugin-opt,file=linker.dump -Wl,-plugin-opt,edge_cutoff=p100,-plugin-opt,unlikely_cutoff=1" } */ |
| |
| int __attribute__ ((noinline,section(".text.hot._Z3foov"))) |
| foo () |
| { |
| return 0; |
| } |
| |
| int main() |
| { |
| return foo (); |
| } |
| |
| /* { dg-final-use { scan-file-not linker.dump "Callgraph group" } } */ |
| /* { dg-final-use { scan-file linker.dump "=== Unlikely sections start ===\n.*\.text\.hot\._Z3foov.* entry count = 1 computed = 1 max count = 1 split = 0\n.*=== Unlikely sections end ===" } } */ |
| /* { dg-final-use { remove-build-file "linker.dump" } } */ |
