Mercurial > projects > ldc
view gen/optimizer.cpp @ 291:068cb3c60afb trunk
[svn r312] Changed assert codegen to insert an unreachable terminator after the call to the assert function, which currently calls abort().
Changed array comparison runtime support to pass the array typeinfo instead of the element typeinfo. This allows a cleaner and faster implementation.
author | lindquist |
---|---|
date | Sat, 21 Jun 2008 21:16:26 +0200 |
parents | 665b81613475 |
children | e235b80c92bc |
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#include "llvm/PassManager.h" #include "llvm/LinkAllPasses.h" #include "llvm/Analysis/LoopPass.h" #include "llvm/Target/TargetData.h" using namespace llvm; ////////////////////////////////////////////////////////////////////////////////////////// // this function runs some or all of the std-compile-opts passes depending on the // optimization level given. void llvmdc_optimize_module(Module* m, char lvl, bool doinline) { if (!doinline && lvl < 0) return; PassManager pm; pm.add(new TargetData(m)); // -O0 if (lvl >= 0) { //pm.add(createStripDeadPrototypesPass()); pm.add(createGlobalDCEPass()); } // -O1 if (lvl >= 1) { pm.add(createRaiseAllocationsPass()); pm.add(createCFGSimplificationPass()); pm.add(createPromoteMemoryToRegisterPass()); pm.add(createGlobalOptimizerPass()); pm.add(createGlobalDCEPass()); } // -O2 if (lvl >= 2) { pm.add(createIPConstantPropagationPass()); pm.add(createDeadArgEliminationPass()); pm.add(createInstructionCombiningPass()); pm.add(createCFGSimplificationPass()); pm.add(createPruneEHPass()); } // -inline if (doinline) { pm.add(createFunctionInliningPass()); } // -O3 if (lvl >= 3) { pm.add(createArgumentPromotionPass()); pm.add(createTailDuplicationPass()); pm.add(createInstructionCombiningPass()); pm.add(createCFGSimplificationPass()); pm.add(createScalarReplAggregatesPass()); pm.add(createInstructionCombiningPass()); pm.add(createCondPropagationPass()); pm.add(createTailCallEliminationPass()); pm.add(createCFGSimplificationPass()); pm.add(createReassociatePass()); pm.add(createLoopRotatePass()); pm.add(createLICMPass()); pm.add(createLoopUnswitchPass()); pm.add(createInstructionCombiningPass()); pm.add(createIndVarSimplifyPass()); pm.add(createLoopUnrollPass()); pm.add(createInstructionCombiningPass()); pm.add(createGVNPass()); pm.add(createSCCPPass()); pm.add(createInstructionCombiningPass()); pm.add(createCondPropagationPass()); pm.add(createDeadStoreEliminationPass()); pm.add(createAggressiveDCEPass()); pm.add(createCFGSimplificationPass()); pm.add(createSimplifyLibCallsPass()); pm.add(createDeadTypeEliminationPass()); pm.add(createConstantMergePass()); } // level -O4 and -O5 are linktime optimizations pm.run(*m); }