Pull LLVMContext out of PromoteMemToReg.

llvm-svn: 89645

Author: nlewycky

llvm/include/llvm/Transforms/Utils/PromoteMemToReg.h

@@ -23,7 +23,6 @@ class AllocaInst;
 class DominatorTree;
 class DominanceFrontier;
 class AliasSetTracker;
-class LLVMContext;
 
 /// isAllocaPromotable - Return true if this alloca is legal for promotion.
 /// This is true if there are only loads and stores to the alloca...
@@ -40,7 +39,6 @@ bool isAllocaPromotable(const AllocaInst *AI);
 ///
 void PromoteMemToReg(const std::vector<AllocaInst*> &Allocas,
                      DominatorTree &DT, DominanceFrontier &DF,
-                     LLVMContext &Context,
                      AliasSetTracker *AST = 0);
 
 } // End llvm namespace

llvm/lib/CodeGen/DwarfEHPrepare.cpp

@@ -332,7 +332,7 @@ bool DwarfEHPrepare::PromoteStackTemporaries() {
   if (ExceptionValueVar && DT && DF && isAllocaPromotable(ExceptionValueVar)) {
     // Turn the exception temporary into registers and phi nodes if possible.
     std::vector<AllocaInst*> Allocas(1, ExceptionValueVar);
-    PromoteMemToReg(Allocas, *DT, *DF, ExceptionValueVar->getContext());
+    PromoteMemToReg(Allocas, *DT, *DF);
     return true;
   }
   return false;

llvm/lib/Transforms/Scalar/LICM.cpp

@@ -593,7 +593,7 @@ void LICM::sink(Instruction &I) {
     if (AI) {
       std::vector<AllocaInst*> Allocas;
       Allocas.push_back(AI);
-      PromoteMemToReg(Allocas, *DT, *DF, AI->getContext(), CurAST);
+      PromoteMemToReg(Allocas, *DT, *DF, CurAST);
     }
   }
 }
@@ -769,7 +769,7 @@ void LICM::PromoteValuesInLoop() {
   PromotedAllocas.reserve(PromotedValues.size());
   for (unsigned i = 0, e = PromotedValues.size(); i != e; ++i)
     PromotedAllocas.push_back(PromotedValues[i].first);
-  PromoteMemToReg(PromotedAllocas, *DT, *DF, Preheader->getContext(), CurAST);
+  PromoteMemToReg(PromotedAllocas, *DT, *DF, CurAST);
 }
 
 /// FindPromotableValuesInLoop - Check the current loop for stores to definite

llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp

@@ -192,7 +192,7 @@ bool SROA::performPromotion(Function &F) {
 
     if (Allocas.empty()) break;
 
-    PromoteMemToReg(Allocas, DT, DF, F.getContext());
+    PromoteMemToReg(Allocas, DT, DF);
     NumPromoted += Allocas.size();
     Changed = true;
   }

llvm/lib/Transforms/Utils/Mem2Reg.cpp

@@ -73,7 +73,7 @@ bool PromotePass::runOnFunction(Function &F) {
 
     if (Allocas.empty()) break;
 
-    PromoteMemToReg(Allocas, DT, DF, F.getContext());
+    PromoteMemToReg(Allocas, DT, DF);
     NumPromoted += Allocas.size();
     Changed = true;
   }

llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp

@@ -23,7 +23,6 @@
 #include "llvm/Function.h"
 #include "llvm/Instructions.h"
 #include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/AliasSetTracker.h"
 #include "llvm/ADT/DenseMap.h"
@@ -180,8 +179,6 @@ namespace {
     ///
     AliasSetTracker *AST;
 
-    LLVMContext &Context;
-
     /// AllocaLookup - Reverse mapping of Allocas.
     ///
     std::map<AllocaInst*, unsigned>  AllocaLookup;
@@ -212,9 +209,8 @@ namespace {
     DenseMap<const BasicBlock*, unsigned> BBNumPreds;
   public:
     PromoteMem2Reg(const std::vector<AllocaInst*> &A, DominatorTree &dt,
-                   DominanceFrontier &df, AliasSetTracker *ast,
-                   LLVMContext &C)
-      : Allocas(A), DT(dt), DF(df), AST(ast), Context(C) {}
+                   DominanceFrontier &df, AliasSetTracker *ast)
+      : Allocas(A), DT(dt), DF(df), AST(ast) {}
 
     void run();
 
@@ -1003,9 +999,9 @@ void PromoteMem2Reg::RenamePass(BasicBlock *BB, BasicBlock *Pred,
 ///
 void llvm::PromoteMemToReg(const std::vector<AllocaInst*> &Allocas,
                            DominatorTree &DT, DominanceFrontier &DF,
-                           LLVMContext &Context, AliasSetTracker *AST) {
+                           AliasSetTracker *AST) {
   // If there is nothing to do, bail out...
   if (Allocas.empty()) return;
 
-  PromoteMem2Reg(Allocas, DT, DF, AST, Context).run();
+  PromoteMem2Reg(Allocas, DT, DF, AST).run();
 }