[llvm] r276953 - Add EP_CGSCCOptimizerLate extension point to PassManagerBuilder

[David Majnemer via llvm-commits]

Author: majnemer
Date: Wed Jul 27 22:28:43 2016
New Revision: 276953

URL: http://llvm.org/viewvc/llvm-project?rev=276953&view=rev
Log:
Add EP_CGSCCOptimizerLate extension point to PassManagerBuilder

The EP_CGSCCOptimizerLate extension point allows adding CallGraphSCC
passes at the end of the main CallGraphSCC passes and before any
function simplification passes run by CGPassManager.

Patch by Gor Nishanov!

Differential Revision: https://reviews.llvm.org/D22897

Modified:
    llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h
    llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp

Modified: llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h?rev=276953&r1=276952&r2=276953&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h (original)
+++ llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h Wed Jul 27 22:28:43 2016
@@ -100,6 +100,11 @@ public:
     /// peephole optimizations similar to the instruction combiner. These passes
     /// will be inserted after each instance of the instruction combiner pass.
     EP_Peephole,
+
+    /// EP_CGSCCOptimizerLate - This extension point allows adding CallGraphSCC
+    /// passes at the end of the main CallGraphSCC passes and before any
+    /// function simplification passes run by CGPassManager.
+    EP_CGSCCOptimizerLate,
   };
 
   /// The Optimization Level - Specify the basic optimization level.

Modified: llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp?rev=276953&r1=276952&r2=276953&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp Wed Jul 27 22:28:43 2016
@@ -440,6 +440,7 @@ void PassManagerBuilder::populateModuleP
   if (OptLevel > 2)
     MPM.add(createArgumentPromotionPass()); // Scalarize uninlined fn args
 
+  addExtensionsToPM(EP_CGSCCOptimizerLate, MPM);
   addFunctionSimplificationPasses(MPM);
 
   // FIXME: This is a HACK! The inliner pass above implicitly creates a CGSCC