Reapply r138695. Fix PassManager stack depths.

Patch by Xiaoyi Guo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138737 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 7 insertions, 6 deletions

diff --git a/include/llvm/Analysis/LoopPass.h b/include/llvm/Analysis/LoopPass.h
index 1603d2ea7a..e6ed9bccee 100644
--- a/include/llvm/Analysis/LoopPass.h
+++ b/include/llvm/Analysis/LoopPass.h
@@ -84,7 +84,7 @@ public:
 class LPPassManager : public FunctionPass, public PMDataManager {
 public:
   static char ID;
-  explicit LPPassManager(int Depth);
+  explicit LPPassManager();
 
   /// run - Execute all of the passes scheduled for execution.  Keep track of
   /// whether any of the passes modifies the module, and if so, return true.
diff --git a/include/llvm/Analysis/RegionPass.h b/include/llvm/Analysis/RegionPass.h
index 1a93859bab..68f12012bc 100644
--- a/include/llvm/Analysis/RegionPass.h
+++ b/include/llvm/Analysis/RegionPass.h
@@ -88,7 +88,7 @@ class RGPassManager : public FunctionPass, public PMDataManager {
 
 public:
   static char ID;
-  explicit RGPassManager(int Depth);
+  explicit RGPassManager();
 
   /// @brief Execute all of the passes scheduled for execution.
   ///
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 058bd637f9..e427f40aae 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -156,7 +156,7 @@ namespace {
       (void)new llvm::FindUsedTypes();
       (void)new llvm::ScalarEvolution();
       ((llvm::Function*)0)->viewCFGOnly();
-      llvm::RGPassManager RGM(0);
+      llvm::RGPassManager RGM;
       ((llvm::RegionPass*)0)->runOnRegion((llvm::Region*)0, RGM);
       llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)0);
       X.add((llvm::Value*)0, 0, 0);  // for -print-alias-sets
diff --git a/include/llvm/PassManagers.h b/include/llvm/PassManagers.h
index c4f409ef52..c05347da79 100644
--- a/include/llvm/PassManagers.h
+++ b/include/llvm/PassManagers.h
@@ -263,7 +263,7 @@ private:
 class PMDataManager {
 public:
 
-  explicit PMDataManager(int Depth) : TPM(NULL), Depth(Depth) {
+  explicit PMDataManager() : TPM(NULL), Depth(0) {
     initializeAnalysisInfo();
   }
 
@@ -333,6 +333,7 @@ public:
   void setTopLevelManager(PMTopLevelManager *T) { TPM = T; }
 
   unsigned getDepth() const { return Depth; }
+  void setDepth(unsigned newDepth) { Depth = newDepth; }
 
   // Print routines used by debug-pass
   void dumpLastUses(Pass *P, unsigned Offset) const;
@@ -408,8 +409,8 @@ private:
 class FPPassManager : public ModulePass, public PMDataManager {
 public:
   static char ID;
-  explicit FPPassManager(int Depth) 
-  : ModulePass(ID), PMDataManager(Depth) { }
+  explicit FPPassManager() 
+  : ModulePass(ID), PMDataManager() { }
   
   /// run - Execute all of the passes scheduled for execution.  Keep track of
   /// whether any of the passes modifies the module, and if so, return true.