cl::init(false), cl::Hidden,
cl::desc("Perform loop-invariant code motion on machine code"));
+// When this works it will be on by default.
+static cl::opt<bool>
+DisablePostRAScheduler("disable-post-RA-scheduler",
+ cl::desc("Disable scheduling after register allocation"),
+ cl::init(true));
+
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
std::ostream &Out,
PM.add(createPrologEpilogCodeInserter());
// Second pass scheduler.
- if (!Fast)
+ if (!Fast && !DisablePostRAScheduler)
PM.add(createPostRAScheduler());
// Branch folding must be run after regalloc and prolog/epilog insertion.