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Switch opt to using StandardPasses.h
- No functionality change, but please check if you don't believe me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72789 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
parent
e98c4d0b10
commit
ca8131ebac
@ -28,6 +28,7 @@
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/PluginLoader.h"
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#include "llvm/Support/StandardPasses.h"
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#include "llvm/Support/Streams.h"
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#include "llvm/Support/SystemUtils.h"
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#include "llvm/Support/raw_ostream.h"
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@ -266,79 +267,16 @@ inline void addPass(PassManager &PM, Pass *P) {
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/// OptLevel - Optimization Level
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void AddOptimizationPasses(PassManager &MPM, FunctionPassManager &FPM,
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unsigned OptLevel) {
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createStandardFunctionPasses(&FPM, OptLevel);
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if (OptLevel == 0)
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return;
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FPM.add(createCFGSimplificationPass());
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if (OptLevel == 1)
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FPM.add(createPromoteMemoryToRegisterPass());
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else
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FPM.add(createScalarReplAggregatesPass());
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FPM.add(createInstructionCombiningPass());
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if (UnitAtATime)
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MPM.add(createRaiseAllocationsPass()); // call %malloc -> malloc inst
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MPM.add(createCFGSimplificationPass()); // Clean up disgusting code
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MPM.add(createPromoteMemoryToRegisterPass()); // Kill useless allocas
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if (UnitAtATime) {
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MPM.add(createGlobalOptimizerPass()); // OptLevel out global vars
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MPM.add(createGlobalDCEPass()); // Remove unused fns and globs
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MPM.add(createIPConstantPropagationPass()); // IP Constant Propagation
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MPM.add(createDeadArgEliminationPass()); // Dead argument elimination
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}
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MPM.add(createInstructionCombiningPass()); // Clean up after IPCP & DAE
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MPM.add(createCFGSimplificationPass()); // Clean up after IPCP & DAE
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if (UnitAtATime) {
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MPM.add(createPruneEHPass()); // Remove dead EH info
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MPM.add(createFunctionAttrsPass()); // Deduce function attrs
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}
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if (OptLevel > 1)
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MPM.add(createFunctionInliningPass()); // Inline small functions
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if (OptLevel > 2)
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MPM.add(createArgumentPromotionPass()); // Scalarize uninlined fn args
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if (!DisableSimplifyLibCalls)
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MPM.add(createSimplifyLibCallsPass()); // Library Call Optimizations
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MPM.add(createInstructionCombiningPass()); // Cleanup for scalarrepl.
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MPM.add(createJumpThreadingPass()); // Thread jumps.
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MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
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MPM.add(createScalarReplAggregatesPass()); // Break up aggregate allocas
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MPM.add(createInstructionCombiningPass()); // Combine silly seq's
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MPM.add(createCondPropagationPass()); // Propagate conditionals
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MPM.add(createTailCallEliminationPass()); // Eliminate tail calls
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MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
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MPM.add(createReassociatePass()); // Reassociate expressions
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MPM.add(createLoopRotatePass()); // Rotate Loop
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MPM.add(createLICMPass()); // Hoist loop invariants
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MPM.add(createLoopUnswitchPass());
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MPM.add(createLoopIndexSplitPass()); // Split loop index
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MPM.add(createInstructionCombiningPass());
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MPM.add(createIndVarSimplifyPass()); // Canonicalize indvars
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MPM.add(createLoopDeletionPass()); // Delete dead loops
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if (OptLevel > 1)
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MPM.add(createLoopUnrollPass()); // Unroll small loops
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MPM.add(createInstructionCombiningPass()); // Clean up after the unroller
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MPM.add(createGVNPass()); // Remove redundancies
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MPM.add(createMemCpyOptPass()); // Remove memcpy / form memset
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MPM.add(createSCCPPass()); // Constant prop with SCCP
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// Run instcombine after redundancy elimination to exploit opportunities
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// opened up by them.
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MPM.add(createInstructionCombiningPass());
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MPM.add(createCondPropagationPass()); // Propagate conditionals
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MPM.add(createDeadStoreEliminationPass()); // Delete dead stores
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MPM.add(createAggressiveDCEPass()); // Delete dead instructions
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MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
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if (UnitAtATime) {
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MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
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MPM.add(createDeadTypeEliminationPass()); // Eliminate dead types
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}
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if (OptLevel > 1 && UnitAtATime)
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MPM.add(createConstantMergePass()); // Merge dup global constants
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return;
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llvm::Pass *InliningPass = OptLevel > 1 ? createFunctionInliningPass() : 0;
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createStandardModulePasses(&MPM, OptLevel,
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/*OptimizeSize=*/ false,
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UnitAtATime,
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/*UnrollLoops=*/ OptLevel > 1,
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!DisableSimplifyLibCalls,
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/*HaveExceptions=*/ true,
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InliningPass);
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}
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void AddStandardCompilePasses(PassManager &PM) {
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@ -352,59 +290,16 @@ void AddStandardCompilePasses(PassManager &PM) {
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if (DisableOptimizations) return;
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addPass(PM, createRaiseAllocationsPass()); // call %malloc -> malloc inst
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addPass(PM, createCFGSimplificationPass()); // Clean up disgusting code
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addPass(PM, createPromoteMemoryToRegisterPass());// Kill useless allocas
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addPass(PM, createGlobalOptimizerPass()); // Optimize out global vars
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addPass(PM, createGlobalDCEPass()); // Remove unused fns and globs
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addPass(PM, createIPConstantPropagationPass());// IP Constant Propagation
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addPass(PM, createDeadArgEliminationPass()); // Dead argument elimination
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addPass(PM, createInstructionCombiningPass()); // Clean up after IPCP & DAE
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addPass(PM, createCFGSimplificationPass()); // Clean up after IPCP & DAE
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llvm::Pass *InliningPass = !DisableInline ? createFunctionInliningPass() : 0;
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addPass(PM, createPruneEHPass()); // Remove dead EH info
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addPass(PM, createFunctionAttrsPass()); // Deduce function attrs
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if (!DisableInline)
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addPass(PM, createFunctionInliningPass()); // Inline small functions
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addPass(PM, createArgumentPromotionPass()); // Scalarize uninlined fn args
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addPass(PM, createSimplifyLibCallsPass()); // Library Call Optimizations
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addPass(PM, createInstructionCombiningPass()); // Cleanup for scalarrepl.
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addPass(PM, createJumpThreadingPass()); // Thread jumps.
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addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
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addPass(PM, createScalarReplAggregatesPass()); // Break up aggregate allocas
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addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
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addPass(PM, createCondPropagationPass()); // Propagate conditionals
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addPass(PM, createTailCallEliminationPass()); // Eliminate tail calls
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addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
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addPass(PM, createReassociatePass()); // Reassociate expressions
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addPass(PM, createLoopRotatePass());
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addPass(PM, createLICMPass()); // Hoist loop invariants
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addPass(PM, createLoopUnswitchPass()); // Unswitch loops.
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addPass(PM, createLoopIndexSplitPass()); // Index split loops.
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// FIXME : Removing instcombine causes nestedloop regression.
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addPass(PM, createInstructionCombiningPass());
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addPass(PM, createIndVarSimplifyPass()); // Canonicalize indvars
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addPass(PM, createLoopDeletionPass()); // Delete dead loops
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addPass(PM, createLoopUnrollPass()); // Unroll small loops
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addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
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addPass(PM, createGVNPass()); // Remove redundancies
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addPass(PM, createMemCpyOptPass()); // Remove memcpy / form memset
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addPass(PM, createSCCPPass()); // Constant prop with SCCP
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// Run instcombine after redundancy elimination to exploit opportunities
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// opened up by them.
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addPass(PM, createInstructionCombiningPass());
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addPass(PM, createCondPropagationPass()); // Propagate conditionals
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addPass(PM, createDeadStoreEliminationPass()); // Delete dead stores
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addPass(PM, createAggressiveDCEPass()); // Delete dead instructions
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addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
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addPass(PM, createStripDeadPrototypesPass()); // Get rid of dead prototypes
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addPass(PM, createDeadTypeEliminationPass()); // Eliminate dead types
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addPass(PM, createConstantMergePass()); // Merge dup global constants
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// -std-compile-opts adds the same module passes as -O3.
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createStandardModulePasses(&PM, 3,
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/*OptimizeSize=*/ false,
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/*UnitAtATime=*/ true,
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/*UnrollLoops=*/ true,
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/*SimplifyLibCalls=*/ true,
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/*HaveExceptions=*/ true,
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InliningPass);
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}
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} // anonymous namespace
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