AArch64: treat [N x Ty] as a block during procedure calls.

[oota-llvm.git] / include / llvm / CodeGen / MachineRegisterInfo.h

diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index 8a93e0a4b8442988b2d8050f5363622bbcec7652..2e7f034be6b02f4feec82b80efdeabb7e3fa8b62 100644 (file)
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -17,8 +17,8 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/IndexedMap.h"
 #include "llvm/ADT/iterator_range.h"
+#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBundle.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <vector>
@@ -40,7 +40,7 @@ public:
   };
 
 private:
-  const TargetMachine &TM;
+  const MachineFunction *MF;
   Delegate *TheDelegate;
 
   /// IsSSA - True when the machine function is in SSA form and virtual
@@ -70,7 +70,7 @@ private:
 
   /// PhysRegUseDefLists - This is an array of the head of the use/def list for
   /// physical registers.
-  MachineOperand **PhysRegUseDefLists;
+  std::vector<MachineOperand *> PhysRegUseDefLists;
 
   /// getRegUseDefListHead - Return the head pointer for the register use/def
   /// list for the specified virtual or physical register.
@@ -123,11 +123,10 @@ private:
   MachineRegisterInfo(const MachineRegisterInfo&) LLVM_DELETED_FUNCTION;
   void operator=(const MachineRegisterInfo&) LLVM_DELETED_FUNCTION;
 public:
-  explicit MachineRegisterInfo(const TargetMachine &TM);
-  ~MachineRegisterInfo();
+  explicit MachineRegisterInfo(const MachineFunction *MF);
 
   const TargetRegisterInfo *getTargetRegisterInfo() const {
-    return TM.getSubtargetImpl()->getRegisterInfo();
+    return MF->getSubtarget().getRegisterInfo();
   }
 
   void resetDelegate(Delegate *delegate) {
@@ -516,8 +515,12 @@ public:
   ///
   /// That function will return NULL if the virtual registers have incompatible
   /// constraints.
+  ///
+  /// Note that if ToReg is a physical register the function will replace and
+  /// apply sub registers to ToReg in order to obtain a final/proper physical
+  /// register.
   void replaceRegWith(unsigned FromReg, unsigned ToReg);
-
+  
   /// getVRegDef - Return the machine instr that defines the specified virtual
   /// register or null if none is found.  This assumes that the code is in SSA
   /// form, so there should only be one definition.