[llvm-commits] CVS: llvm/tools/gccas/gccas.cpp

[Christopher Lattner]

Changes in directory llvm/tools/gccas:

gccas.cpp updated: 1.50 -> 1.51

---
Log message:

* 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.


---
Diffs of the changes:

Index: llvm/tools/gccas/gccas.cpp
diff -u llvm/tools/gccas/gccas.cpp:1.50 llvm/tools/gccas/gccas.cpp:1.51
--- llvm/tools/gccas/gccas.cpp:1.50	Fri Aug 30 17:55:32 2002
+++ llvm/tools/gccas/gccas.cpp	Fri Sep  6 13:41:33 2002
@@ -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
 }