* No longer need to run die after instcombine
* Run new correlated expressions pass
* Simplify the CFG (removing dead blocks, merging blocks, eliminating branches
on constant booleans, etc) after correlated exprs pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3598 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 92f1bfa..f664328 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -86,7 +86,9 @@
// 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
@@ -95,8 +97,8 @@
// Run instcombine after redundancy elimination to exploit opportunities
// opened up by them.
addPass(PM, createInstructionCombiningPass());
- addPass(PM, createAggressiveDCEPass()); // SSA based 'Agressive DCE'
- addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
+ addPass(PM, createAggressiveDCEPass()); // SSA based 'Agressive DCE'
+ addPass(PM, createCFGSimplificationPass()); // Merge & remove BBs
}