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Move licm after reassociate, add some cond-propagate passes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21769 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-07 22:45:35 +00:00
parent c0649ac931
commit cbe92e6d4a
1 changed files with 4 additions and 1 deletions
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5
tools/gccas/gccas.cpp
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@ -103,11 +103,12 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
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, createLICMPass()); // Hoist loop invariants
addPass(PM, createReassociatePass()); // Reassociate expressions
addPass(PM, createLICMPass()); // Hoist loop invariants
addPass(PM, createInstructionCombiningPass()); // Clean up after LICM/reassoc
addPass(PM, createIndVarSimplifyPass()); // Canonicalize indvars
addPass(PM, createLoopUnrollPass()); // Unroll small loops
@ -119,6 +120,8 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
// 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()); // SSA based 'Aggressive DCE'
addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs