[polly] r177644 - Do not canonicalize indvars with scev based codegen
Tobias Grosser
grosser at fim.uni-passau.de
Thu Mar 21 09:14:53 PDT 2013
Author: grosser
Date: Thu Mar 21 11:14:53 2013
New Revision: 177644
URL: http://llvm.org/viewvc/llvm-project?rev=177644&view=rev
Log:
Do not canonicalize indvars with scev based codegen
Scev code generation can now handle scops with non canonical induction
variables. Hence there is no need to introduce canonical ones any more.
Modified:
polly/trunk/lib/RegisterPasses.cpp
Modified: polly/trunk/lib/RegisterPasses.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/RegisterPasses.cpp?rev=177644&r1=177643&r2=177644&view=diff
==============================================================================
--- polly/trunk/lib/RegisterPasses.cpp (original)
+++ polly/trunk/lib/RegisterPasses.cpp Thu Mar 21 11:14:53 2013
@@ -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(ll
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());
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