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* No longer need to run die after instcombine

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* Run new correlated expressions pass
* Simplify the CFG (removing dead blocks, merging blocks, eliminating branches
  on constant booleans, etc) after correlated exprs pass.

llvm-svn: 3598
This commit is contained in:
Chris Lattner 2002-09-06 18:41:33 +00:00
parent 1cf6da5815
commit 29714643f9
1 changed files with 5 additions and 3 deletions
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tools/gccas/gccas.cpp
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@ -86,7 +86,9 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
// Disabling until this is fixed -- Vikram, 7/7/02.
// addPass(PM, createReassociatePass()); // Reassociate expressions
addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
addPass(PM, createDeadInstEliminationPass()); // Kill InstCombine remnants
addPass(PM, createCorrelatedExpressionEliminationPass());
addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
addPass(PM, createLICMPass()); // Hoist loop invariants
addPass(PM, createLoadValueNumberingPass()); // GVN for load instructions
addPass(PM, createGCSEPass()); // Remove common subexprs