- addPass(PM, createRaiseAllocationsPass()); // call %malloc -> malloc inst
- addPass(PM, createCFGSimplificationPass()); // Clean up disgusting code
- addPass(PM, createPromoteMemoryToRegisterPass());// Kill useless allocas
- addPass(PM, createGlobalOptimizerPass()); // Optimize out global vars
- addPass(PM, createGlobalDCEPass()); // Remove unused fns and globs
- addPass(PM, createIPConstantPropagationPass());// IP Constant Propagation
- addPass(PM, createDeadArgEliminationPass()); // Dead argument elimination
- addPass(PM, createInstructionCombiningPass()); // Clean up after IPCP & DAE
- addPass(PM, createCFGSimplificationPass()); // Clean up after IPCP & DAE
-
- addPass(PM, createPruneEHPass()); // Remove dead EH info
-
- if (!DisableInline)
- addPass(PM, createFunctionInliningPass()); // Inline small functions
- addPass(PM, createArgumentPromotionPass()); // Scalarize uninlined fn args
-
- addPass(PM, createSimplifyLibCallsPass()); // Library Call Optimizations
- addPass(PM, createInstructionCombiningPass()); // Cleanup for scalarrepl.
- addPass(PM, createJumpThreadingPass()); // Thread jumps.
- addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
- addPass(PM, createScalarReplAggregatesPass()); // Break up aggregate allocas
- addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
- addPass(PM, createCondPropagationPass()); // Propagate conditionals
-
- addPass(PM, createTailCallEliminationPass()); // Eliminate tail calls
- addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
- addPass(PM, createReassociatePass()); // Reassociate expressions
- addPass(PM, createLoopRotatePass());
- addPass(PM, createLICMPass()); // Hoist loop invariants
- addPass(PM, createLoopUnswitchPass()); // Unswitch loops.
- addPass(PM, createLoopIndexSplitPass()); // Index split loops.
- // FIXME : Removing instcombine causes nestedloop regression.
- addPass(PM, createInstructionCombiningPass());
- addPass(PM, createIndVarSimplifyPass()); // Canonicalize indvars
- addPass(PM, createLoopDeletionPass()); // Delete dead loops
- addPass(PM, createLoopUnrollPass()); // Unroll small loops
- addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
- addPass(PM, createGVNPass()); // Remove redundancies
- addPass(PM, createMemCpyOptPass()); // Remove memcpy / form memset
- addPass(PM, createSCCPPass()); // Constant prop with SCCP
-
- // Run instcombine after redundancy elimination to exploit opportunities
- // opened up by them.
- addPass(PM, createInstructionCombiningPass());
- addPass(PM, createCondPropagationPass()); // Propagate conditionals
-
- addPass(PM, createDeadStoreEliminationPass()); // Delete dead stores
- addPass(PM, createAggressiveDCEPass()); // Delete dead instructions
- addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
- addPass(PM, createStripDeadPrototypesPass()); // Get rid of dead prototypes
- addPass(PM, createDeadTypeEliminationPass()); // Eliminate dead types
- addPass(PM, createConstantMergePass()); // Merge dup global constants
+ llvm::Pass *InliningPass = !DisableInline ? createFunctionInliningPass() : 0;
+
+ // -std-compile-opts adds the same module passes as -O3.
+ createStandardModulePasses(&PM, 3,
+ /*OptimizeSize=*/ false,
+ /*UnitAtATime=*/ true,
+ /*UnrollLoops=*/ true,
+ !DisableSimplifyLibCalls,
+ /*HaveExceptions=*/ true,
+ InliningPass);
+}
+
+void AddStandardLinkPasses(PassManagerBase &PM) {
+ PM.add(createVerifierPass()); // Verify that input is correct
+
+ // If the -strip-debug command line option was specified, do it.
+ if (StripDebug)
+ addPass(PM, createStripSymbolsPass(true));
+
+ if (DisableOptimizations) return;
+
+ createStandardLTOPasses(&PM, /*Internalize=*/ !DisableInternalize,
+ /*RunInliner=*/ !DisableInline,
+ /*VerifyEach=*/ VerifyEach);