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Do not canonicalize indvars with scev based codegen

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Scev code generation can now handle scops with non canonical induction
variables. Hence there is no need to introduce canonical ones any more.

llvm-svn: 177644
This commit is contained in:
Tobias Grosser
2013-03-21 16:14:53 +00:00
parent 826b2af112
commit 4e318abece
1 changed files with 4 additions and 1 deletions
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5
polly/lib/RegisterPasses.cpp
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@@ -18,6 +18,7 @@
#include "polly/ScopDetection.h"
#include "polly/ScopInfo.h"
#include "polly/TempScopInfo.h"
#include "polly/CodeGen/BlockGenerators.h"
#include "polly/CodeGen/CodeGeneration.h"
#include "llvm/Analysis/Passes.h"
@@ -202,7 +203,9 @@ static void registerPollyPreoptPasses(llvm::PassManagerBase &PM) {
PM.add(llvm::createReassociatePass()); // Reassociate expressions
PM.add(llvm::createLoopRotatePass()); // Rotate Loop
PM.add(llvm::createInstructionCombiningPass());
PM.add(polly::createIndVarSimplifyPass()); // Canonicalize indvars
if (!SCEVCodegen)
PM.add(polly::createIndVarSimplifyPass());
PM.add(polly::createCodePreparationPass());
PM.add(polly::createRegionSimplifyPass());