(void) llvm::createBURRListDAGScheduler(NULL, NULL, NULL);
(void) llvm::createTDRRListDAGScheduler(NULL, NULL, NULL);
(void) llvm::createTDListDAGScheduler(NULL, NULL, NULL);
+ (void) llvm::createDefaultScheduler(NULL, NULL, NULL);
}
} ForceCodegenLinking; // Force link by creating a global definition.
cl::desc("Instruction schedulers available:"));
static RegisterScheduler
- defaultListDAGScheduler("default", " Best scheduler for the target", NULL);
+ defaultListDAGScheduler("default", " Best scheduler for the target",
+ createDefaultScheduler);
} // namespace
namespace {
}
namespace llvm {
+ //===--------------------------------------------------------------------===//
+ /// createDefaultScheduler - This creates an instruction scheduler appropriate
+ /// for the target.
+ ScheduleDAG* createDefaultScheduler(SelectionDAGISel *IS,
+ SelectionDAG *DAG,
+ MachineBasicBlock *BB) {
+ TargetLowering &TLI = IS->getTargetLowering();
+
+ if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency) {
+ return createTDListDAGScheduler(IS, DAG, BB);
+ } else {
+ assert(TLI.getSchedulingPreference() ==
+ TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
+ return createBURRListDAGScheduler(IS, DAG, BB);
+ }
+ }
+
+
//===--------------------------------------------------------------------===//
/// FunctionLoweringInfo - This contains information that is global to a
/// function that is used when lowering a region of the function.
RegisterScheduler::getDefault();
if (!Ctor) {
- if (std::string("default") == std::string(ISHeuristic)) {
- if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency)
- Ctor = RegisterScheduler::FindCtor("list-td");
- else {
- assert(TLI.getSchedulingPreference() ==
- TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
- Ctor = RegisterScheduler::FindCtor("list-burr");
- }
-
- assert(Ctor && "Default instruction scheduler not present");
- if (!Ctor) Ctor = RegisterScheduler::FindCtor("none");
- } else {
- Ctor = RegisterScheduler::FindCtor(ISHeuristic);
- }
-
- RegisterScheduler::setDefault(Ctor);
+ Ctor = RegisterScheduler::FindCtor(ISHeuristic);
+ RegisterScheduler::setDefault(Ctor);
}
assert(Ctor && "No instruction scheduler found");