[polly] r194922 - factor out code in shouldEnablePolly

[Sebastian Pop]

Author: spop
Date: Sat Nov 16 09:28:49 2013
New Revision: 194922

URL: http://llvm.org/viewvc/llvm-project?rev=194922&view=rev
Log:
factor out code in shouldEnablePolly

to be able to call the same functionality from registerPollyEarlyAsPossiblePasses
and registerPollyOptLevel0Passes.

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=194922&r1=194921&r2=194922&view=diff
==============================================================================
--- polly/trunk/lib/RegisterPasses.cpp (original)
+++ polly/trunk/lib/RegisterPasses.cpp Sat Nov 16 09:28:49 2013
@@ -310,12 +310,9 @@ static void registerPollyPasses(llvm::Pa
     PM.add(llvm::createCFGPrinterPass());
 }
 
-static void
-registerPollyEarlyAsPossiblePasses(const llvm::PassManagerBuilder &Builder,
-                                   llvm::PassManagerBase &PM) {
-
-  if (Builder.OptLevel == 0)
-    return;
+static bool shouldEnablePolly(unsigned OptLevel) {
+  if (OptLevel == 0)
+    return false;
 
   if (PollyOnlyPrinter || PollyPrinter || PollyOnlyViewer || PollyViewer)
     PollyTrackFailures = true;
@@ -324,7 +321,14 @@ registerPollyEarlyAsPossiblePasses(const
       ExportJScop || ImportJScop)
     PollyEnabled = true;
 
-  if (!PollyEnabled)
+  return PollyEnabled;
+}
+
+static void
+registerPollyEarlyAsPossiblePasses(const llvm::PassManagerBuilder &Builder,
+                                   llvm::PassManagerBase &PM) {
+
+  if (!shouldEnablePolly(Builder.OptLevel))
     return;
 
   // We only run Polly at optimization level '-O3'.
@@ -340,9 +344,10 @@ registerPollyEarlyAsPossiblePasses(const
   registerPollyPasses(PM);
 }
 
-static void registerPollyOptLevel0Passes(const llvm::PassManagerBuilder &,
+static void registerPollyOptLevel0Passes(const llvm::PassManagerBuilder &Builder,
                                          llvm::PassManagerBase &PM) {
-  registerCanonicalicationPasses(PM);
+  if (shouldEnablePolly(Builder.OptLevel))
+    registerCanonicalicationPasses(PM);
 }
 
 /// @brief Register Polly canonicalization passes at opt level '0'