Further constify MDNode* references.

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

diff --git a/include/llvm/CodeGen/MachineInstrBuilder.h b/include/llvm/CodeGen/MachineInstrBuilder.h
index 3f30de596a583208afb5956866af791a9cce023c..47f7cf7b3f4f26f8197be13d7afb799e3440073c 100644 (file)
--- a/include/llvm/CodeGen/MachineInstrBuilder.h
+++ b/include/llvm/CodeGen/MachineInstrBuilder.h
@@ -22,6 +22,7 @@
 namespace llvm {
 
 class TargetInstrDesc;
+class MDNode;
 
 namespace RegState {
   enum {
@@ -29,7 +30,9 @@ namespace RegState {
     Implicit       = 0x4,
     Kill           = 0x8,
     Dead           = 0x10,
-    EarlyClobber   = 0x20,
+    Undef          = 0x20,
+    EarlyClobber   = 0x40,
+    Debug          = 0x80,
     ImplicitDefine = Implicit | Define,
     ImplicitKill   = Implicit | Kill
   };
@@ -38,6 +41,7 @@ namespace RegState {
 class MachineInstrBuilder {
   MachineInstr *MI;
 public:
+  MachineInstrBuilder() : MI(0) {}
   explicit MachineInstrBuilder(MachineInstr *mi) : MI(mi) {}
 
   /// Allow automatic conversion to the machine instruction we are working on.
@@ -57,8 +61,10 @@ public:
                                              flags & RegState::Implicit,
                                              flags & RegState::Kill,
                                              flags & RegState::Dead,
+                                             flags & RegState::Undef,
+                                             flags & RegState::EarlyClobber,
                                              SubReg,
-                                             flags & RegState::EarlyClobber));
+                                             flags & RegState::Debug));
     return *this;
   }
 
@@ -106,13 +112,12 @@ public:
   }
 
   const MachineInstrBuilder &addExternalSymbol(const char *FnName,
-                                               int64_t Offset = 0,
                                           unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateES(FnName, Offset, TargetFlags));
+    MI->addOperand(MachineOperand::CreateES(FnName, TargetFlags));
     return *this;
   }
 
-  const MachineInstrBuilder &addMemOperand(const MachineMemOperand &MMO) const {
+  const MachineInstrBuilder &addMemOperand(MachineMemOperand *MMO) const {
     MI->addMemOperand(*MI->getParent()->getParent(), MMO);
     return *this;
   }
@@ -121,6 +126,11 @@ public:
     MI->addOperand(MO);
     return *this;
   }
+
+  const MachineInstrBuilder &addMetadata(const MDNode *MD) const {
+    MI->addOperand(MachineOperand::CreateMetadata(MD));
+    return *this;
+  }
 };
 
 /// BuildMI - Builder interface.  Specify how to create the initial instruction
@@ -182,7 +192,7 @@ inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
 
 /// BuildMI - This version of the builder inserts the newly-built
 /// instruction at the end of the given MachineBasicBlock, and sets up the first
-/// operand as a destination virtual register. 
+/// operand as a destination virtual register.
 ///
 inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
                                    DebugLoc DL,
@@ -203,6 +213,9 @@ inline unsigned getKillRegState(bool B) {
 inline unsigned getDeadRegState(bool B) {
   return B ? RegState::Dead : 0;
 }
+inline unsigned getUndefRegState(bool B) {
+  return B ? RegState::Undef : 0;
+}
 
 } // End llvm namespace