/// EP_LoopOptimizerEnd - This extension point allows adding loop passes to
/// the end of the loop optimizer.
- EP_LoopOptimizerEnd
+ EP_LoopOptimizerEnd,
+
+ /// EP_ScalarOptimizerLate - This extension point allows adding optimization
+ /// passes after most of the main optimizations, but before the last
+ /// cleanup-ish optimizations.
+ EP_ScalarOptimizerLate
};
/// The Optimization Level - Specify the basic optimization level.
MPM.add(createArgumentPromotionPass()); // Scalarize uninlined fn args
// Start of function pass.
- MPM.add(createObjCARCExpandPass()); // Canonicalize ObjC ARC code.
// Break up aggregate allocas, using SSAUpdater.
MPM.add(createScalarReplAggregatesPass(-1, false));
MPM.add(createEarlyCSEPass()); // Catch trivial redundancies
MPM.add(createJumpThreadingPass()); // Thread jumps
MPM.add(createCorrelatedValuePropagationPass());
MPM.add(createDeadStoreEliminationPass()); // Delete dead stores
- MPM.add(createObjCARCOptPass()); // Objective-C ARC optimizations.
+
+ addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
+
MPM.add(createAggressiveDCEPass()); // Delete dead instructions
MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
MPM.add(createInstructionCombiningPass()); // Clean up after everything.
if (!DisableVerify)
PM.add(createVerifierPass());
- // Simplify ObjC ARC code. This is done late because it makes re-optimization
- // difficult.
- PM.add(createObjCARCContractPass());
-
// Run loop strength reduction before anything else.
if (OptLevel != CodeGenOpt::None && !DisableLSR) {
PM.add(createLoopStrengthReducePass(getTargetLowering()));