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

[Chris Lattner]

Changes in directory llvm/tools/gccas:

gccas.cpp updated: 1.108 -> 1.109
---
Log message:

move the reassociation pass after the LICM pass.  This speeds up mgrid
from 10.27s to 9.57s with the CBE.


---
Diffs of the changes:  (+2 -2)

 gccas.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)


Index: llvm/tools/gccas/gccas.cpp
diff -u llvm/tools/gccas/gccas.cpp:1.108 llvm/tools/gccas/gccas.cpp:1.109
--- llvm/tools/gccas/gccas.cpp:1.108	Sat Jan 22 11:36:16 2005
+++ llvm/tools/gccas/gccas.cpp	Sun Mar  6 21:19:50 2005
@@ -103,12 +103,12 @@
   addPass(PM, createScalarReplAggregatesPass()); // Break up aggregate allocas
   addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
 
-  addPass(PM, createReassociatePass());          // Reassociate expressions
   addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
   addPass(PM, createTailCallEliminationPass());  // Eliminate tail calls
   addPass(PM, createCFGSimplificationPass());    // Merge & remove BBs
   addPass(PM, createLICMPass());                 // Hoist loop invariants
-  addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
+  addPass(PM, createReassociatePass());          // Reassociate expressions
+  addPass(PM, createInstructionCombiningPass()); // Clean up after LICM/reassoc
   addPass(PM, createIndVarSimplifyPass());       // Canonicalize indvars
   addPass(PM, createLoopUnrollPass());           // Unroll small loops
   addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller