- Change default scheduling preference to list-burr, which produces somewhat
better code than the default. Could also use list-tdrr, but need to ask
dev list about the appropriate handy mnemonic before commiting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60738
91177308-0d34-0410-b5e6-
96231b3b80d8
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/CodeGen/SchedulerRegistry.h"
#include <map>
computeRegisterProperties();
- // Set other properties:
- setSchedulingPreference(SchedulingForLatency);
+ // Set pre-RA register scheduler default to BURR, which produces slightly
+ // better code than the default (could also be TDRR, but TargetLowering.h
+ // needs a mod to support that model):
+ setSchedulingPreference(SchedulingForRegPressure);
}
const char *