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Add tail duplication pass to the pipeline, move the verifier pass to the front 

Other minor reorganizations

llvm-svn: 6849
This commit is contained in:
Chris Lattner 2003-06-22 20:11:45 +00:00
parent decc3639c1
commit e81e0d8da9
1 changed files with 4 additions and 6 deletions
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10
llvm/tools/gccas/gccas.cpp
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@ -60,18 +60,16 @@ static inline void addPass(PassManager &PM, Pass *P) {
void AddConfiguredTransformationPasses(PassManager &PM) {
if (Verify) PM.add(createVerifierPass());
PM.add(createVerifierPass()); // Verify that input is correct
addPass(PM, createFunctionResolvingPass()); // Resolve (...) functions
addPass(PM, createGlobalDCEPass()); // Kill unused uinit g-vars
addPass(PM, createDeadTypeEliminationPass()); // Eliminate dead types
addPass(PM, createConstantMergePass()); // Merge dup global constants
addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
addPass(PM, createVerifierPass()); // Verify that input is correct
addPass(PM, createDeadInstEliminationPass()); // Remove Dead code/vars
addPass(PM, createRaiseAllocationsPass()); // call %malloc -> malloc inst
addPass(PM, createInstructionCombiningPass()); // Cleanup code for raise
addPass(PM, createRaisePointerReferencesPass());// Recover type information
addPass(PM, createTailDuplicationPass()); // Simplify cfg by copying code
addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
addPass(PM, createScalarReplAggregatesPass()); // Break up aggregate allocas
addPass(PM, createPromoteMemoryToRegister()); // Promote alloca's to regs
@ -88,7 +86,7 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
// Run instcombine after redundancy elimination to exploit opportunities
// opened up by them.
addPass(PM, createInstructionCombiningPass());
addPass(PM, createAggressiveDCEPass()); // SSA based 'Agressive DCE'
addPass(PM, createAggressiveDCEPass()); // SSA based 'Aggressive DCE'
addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
}