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

[Chris Lattner]

Changes in directory llvm/tools/gccas:

gccas.cpp updated: 1.65 -> 1.66

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Log message:

Add tail duplication pass to the pipeline, move the verifier pass to the front
Other minor reorganizations


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Diffs of the changes:

Index: llvm/tools/gccas/gccas.cpp
diff -u llvm/tools/gccas/gccas.cpp:1.65 llvm/tools/gccas/gccas.cpp:1.66
--- llvm/tools/gccas/gccas.cpp:1.65	Fri May 30 14:24:06 2003
+++ llvm/tools/gccas/gccas.cpp	Sun Jun 22 15:11:45 2003
@@ -60,18 +60,16 @@
 
 
 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 @@
   // 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
 }