Reapply part of r237975, "Fix Clang -Wmissing-override warning", except for DIContext...

[oota-llvm.git] / include / llvm / IR / LegacyPassManagers.h

diff --git a/include/llvm/IR/LegacyPassManagers.h b/include/llvm/IR/LegacyPassManagers.h
index f4d29675ce02d304429b52a12674b0f6d003d0e4..7f7889ad5fb3da6c3113a2af46eb1ee38bc739bd 100644 (file)
--- a/include/llvm/IR/LegacyPassManagers.h
+++ b/include/llvm/IR/LegacyPassManagers.h
@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_PASSMANAGERS_H
-#define LLVM_PASSMANAGERS_H
+#ifndef LLVM_IR_LEGACYPASSMANAGERS_H
+#define LLVM_IR_LEGACYPASSMANAGERS_H
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
@@ -61,7 +61,7 @@
 //
 // [o] class FunctionPassManager;
 //
-// This is a external interface used by JIT to manage FunctionPasses. This
+// This is a external interface used to manage FunctionPasses. This
 // interface relies on FunctionPassManagerImpl to do all the tasks.
 //
 // [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager,
@@ -195,6 +195,9 @@ public:
   /// then return NULL.
   Pass *findAnalysisPass(AnalysisID AID);
 
+  /// Retrieve the PassInfo for an analysis.
+  const PassInfo *findAnalysisPassInfo(AnalysisID AID) const;
+
   /// Find analysis usage information for the pass P.
   AnalysisUsage *findAnalysisUsage(Pass *P);
 
@@ -248,9 +251,15 @@ private:
   DenseMap<Pass *, SmallPtrSet<Pass *, 8> > InversedLastUser;
 
   /// Immutable passes are managed by top level manager.
-  SmallVector<ImmutablePass *, 8> ImmutablePasses;
+  SmallVector<ImmutablePass *, 16> ImmutablePasses;
 
   DenseMap<Pass *, AnalysisUsage *> AnUsageMap;
+
+  /// Collection of PassInfo objects found via analysis IDs and in this top
+  /// level manager. This is used to memoize queries to the pass registry.
+  /// FIXME: This is an egregious hack because querying the pass registry is
+  /// either slow or racy.
+  mutable DenseMap<AnalysisID, const PassInfo *> AnalysisPassInfos;
 };
 
 
@@ -393,7 +402,7 @@ private:
 
   // Collection of higher level analysis used by the pass managed by
   // this manager.
-  SmallVector<Pass *, 8> HigherLevelAnalysis;
+  SmallVector<Pass *, 16> HigherLevelAnalysis;
 
   unsigned Depth;
 };
@@ -441,7 +450,7 @@ public:
   Pass *getAsPass() override { return this; }
 
   /// Pass Manager itself does not invalidate any analysis info.
-  void getAnalysisUsage(AnalysisUsage &Info) const override{
+  void getAnalysisUsage(AnalysisUsage &Info) const override {
     Info.setPreservesAll();
   }