Reapply r198478 "Fix PR18361: Invalidate LoopDispositions after LoopSimplify hoists...

[oota-llvm.git] / include / llvm / AutoUpgrade.h

diff --git a/include/llvm/AutoUpgrade.h b/include/llvm/AutoUpgrade.h
index ca3446e4555c03b731ef879ad775a8f6930c74c3..c774782f19ec54504992c14728c4b4ea02f1ecb8 100644 (file)
--- a/include/llvm/AutoUpgrade.h
+++ b/include/llvm/AutoUpgrade.h
@@ -15,10 +15,14 @@
 #define LLVM_AUTOUPGRADE_H
 
 namespace llvm {
+  class CallInst;
+  class Constant;
+  class Function;
+  class Instruction;
   class Module;
   class GlobalVariable;
-  class Function;
-  class CallInst;
+  class Type;
+  class Value;
 
   /// This is a more granular function that simply checks an intrinsic function
   /// for upgrading, and returns true if it requires upgrading. It may return
@@ -39,6 +43,24 @@ namespace llvm {
   /// This checks for global variables which should be upgraded. It returns true
   /// if it requires upgrading.
   bool UpgradeGlobalVariable(GlobalVariable *GV);
+
+  /// If the TBAA tag for the given instruction uses the scalar TBAA format,
+  /// we upgrade it to the struct-path aware TBAA format.
+  void UpgradeInstWithTBAATag(Instruction *I);
+
+  /// This is an auto-upgrade for bitcast between pointers with different
+  /// address spaces: the instruction is replaced by a pair ptrtoint+inttoptr.
+  Instruction *UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy,
+                                  Instruction *&Temp);
+
+  /// This is an auto-upgrade for bitcast constant expression between pointers
+  /// with different address spaces: the instruction is replaced by a pair
+  /// ptrtoint+inttoptr.
+  Value *UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy);
+
+  /// Check the debug info version number, if it is out-dated, drop the debug
+  /// info. Return true if module is modified.
+  bool UpgradeDebugInfo(Module &M);
 } // End llvm namespace
 
 #endif