Don't assert if we can't constant fold extract/insertvalue
[oota-llvm.git] / include / llvm / CodeGen / MachineInstrBuilder.h
index afc91dc29a941c0e9984ae6b18a1eede5611a55c..df01371a47ec55ec50ae3478eee6cb0f51bd6bb4 100644 (file)
@@ -18,6 +18,7 @@
 #define LLVM_CODEGEN_MACHINEINSTRBUILDER_H
 
 #include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineInstrBundle.h"
 #include "llvm/Support/ErrorHandling.h"
 
 namespace llvm {
@@ -46,7 +47,6 @@ class MachineInstrBuilder {
   MachineInstr *MI;
 public:
   MachineInstrBuilder() : MF(0), MI(0) {}
-  explicit MachineInstrBuilder(MachineInstr *mi) : MF(0), MI(mi) {}
 
   /// Create a MachineInstrBuilder for manipulating an existing instruction.
   /// F must be the machine function  that was used to allocate I.
@@ -65,86 +65,94 @@ public:
                               unsigned SubReg = 0) const {
     assert((flags & 0x1) == 0 &&
            "Passing in 'true' to addReg is forbidden! Use enums instead.");
-    MI->addOperand(MachineOperand::CreateReg(RegNo,
-                                             flags & RegState::Define,
-                                             flags & RegState::Implicit,
-                                             flags & RegState::Kill,
-                                             flags & RegState::Dead,
-                                             flags & RegState::Undef,
-                                             flags & RegState::EarlyClobber,
-                                             SubReg,
-                                             flags & RegState::Debug,
-                                             flags & RegState::InternalRead));
+    MI->addOperand(*MF, MachineOperand::CreateReg(RegNo,
+                                               flags & RegState::Define,
+                                               flags & RegState::Implicit,
+                                               flags & RegState::Kill,
+                                               flags & RegState::Dead,
+                                               flags & RegState::Undef,
+                                               flags & RegState::EarlyClobber,
+                                               SubReg,
+                                               flags & RegState::Debug,
+                                               flags & RegState::InternalRead));
     return *this;
   }
 
   /// addImm - Add a new immediate operand.
   ///
   const MachineInstrBuilder &addImm(int64_t Val) const {
-    MI->addOperand(MachineOperand::CreateImm(Val));
+    MI->addOperand(*MF, MachineOperand::CreateImm(Val));
     return *this;
   }
 
   const MachineInstrBuilder &addCImm(const ConstantInt *Val) const {
-    MI->addOperand(MachineOperand::CreateCImm(Val));
+    MI->addOperand(*MF, MachineOperand::CreateCImm(Val));
     return *this;
   }
 
   const MachineInstrBuilder &addFPImm(const ConstantFP *Val) const {
-    MI->addOperand(MachineOperand::CreateFPImm(Val));
+    MI->addOperand(*MF, MachineOperand::CreateFPImm(Val));
     return *this;
   }
 
   const MachineInstrBuilder &addMBB(MachineBasicBlock *MBB,
                                     unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateMBB(MBB, TargetFlags));
+    MI->addOperand(*MF, MachineOperand::CreateMBB(MBB, TargetFlags));
     return *this;
   }
 
   const MachineInstrBuilder &addFrameIndex(int Idx) const {
-    MI->addOperand(MachineOperand::CreateFI(Idx));
+    MI->addOperand(*MF, MachineOperand::CreateFI(Idx));
     return *this;
   }
 
   const MachineInstrBuilder &addConstantPoolIndex(unsigned Idx,
                                                   int Offset = 0,
                                           unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateCPI(Idx, Offset, TargetFlags));
+    MI->addOperand(*MF, MachineOperand::CreateCPI(Idx, Offset, TargetFlags));
     return *this;
   }
 
   const MachineInstrBuilder &addTargetIndex(unsigned Idx, int64_t Offset = 0,
                                           unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateTargetIndex(Idx, Offset, TargetFlags));
+    MI->addOperand(*MF, MachineOperand::CreateTargetIndex(Idx, Offset,
+                                                          TargetFlags));
     return *this;
   }
 
   const MachineInstrBuilder &addJumpTableIndex(unsigned Idx,
                                           unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateJTI(Idx, TargetFlags));
+    MI->addOperand(*MF, MachineOperand::CreateJTI(Idx, TargetFlags));
     return *this;
   }
 
   const MachineInstrBuilder &addGlobalAddress(const GlobalValue *GV,
                                               int64_t Offset = 0,
                                           unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateGA(GV, Offset, TargetFlags));
+    MI->addOperand(*MF, MachineOperand::CreateGA(GV, Offset, TargetFlags));
     return *this;
   }
 
   const MachineInstrBuilder &addExternalSymbol(const char *FnName,
                                           unsigned char TargetFlags = 0) const {
-    MI->addOperand(MachineOperand::CreateES(FnName, TargetFlags));
+    MI->addOperand(*MF, MachineOperand::CreateES(FnName, TargetFlags));
+    return *this;
+  }
+
+  const MachineInstrBuilder &addBlockAddress(const BlockAddress *BA,
+                                             int64_t Offset = 0,
+                                          unsigned char TargetFlags = 0) const {
+    MI->addOperand(*MF, MachineOperand::CreateBA(BA, Offset, TargetFlags));
     return *this;
   }
 
   const MachineInstrBuilder &addRegMask(const uint32_t *Mask) const {
-    MI->addOperand(MachineOperand::CreateRegMask(Mask));
+    MI->addOperand(*MF, MachineOperand::CreateRegMask(Mask));
     return *this;
   }
 
   const MachineInstrBuilder &addMemOperand(MachineMemOperand *MMO) const {
-    MI->addMemOperand(*MI->getParent()->getParent(), MMO);
+    MI->addMemOperand(*MF, MMO);
     return *this;
   }
 
@@ -156,17 +164,17 @@ public:
 
 
   const MachineInstrBuilder &addOperand(const MachineOperand &MO) const {
-    MI->addOperand(MO);
+    MI->addOperand(*MF, MO);
     return *this;
   }
 
   const MachineInstrBuilder &addMetadata(const MDNode *MD) const {
-    MI->addOperand(MachineOperand::CreateMetadata(MD));
+    MI->addOperand(*MF, MachineOperand::CreateMetadata(MD));
     return *this;
   }
   
   const MachineInstrBuilder &addSym(MCSymbol *Sym) const {
-    MI->addOperand(MachineOperand::CreateMCSymbol(Sym));
+    MI->addOperand(*MF, MachineOperand::CreateMCSymbol(Sym));
     return *this;
   }
 
@@ -201,6 +209,12 @@ public:
       }
     }
   }
+
+  /// Copy all the implicit operands from OtherMI onto this one.
+  const MachineInstrBuilder &copyImplicitOps(const MachineInstr *OtherMI) {
+    MI->copyImplicitOps(*MF, OtherMI);
+    return *this;
+  }
 };
 
 /// BuildMI - Builder interface.  Specify how to create the initial instruction
@@ -321,6 +335,51 @@ inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
   return BuildMI(*BB, BB->end(), DL, MCID, DestReg);
 }
 
+/// BuildMI - This version of the builder builds a DBG_VALUE intrinsic
+/// for either a value in a register or a register-indirect+offset
+/// address.  The convention is that a DBG_VALUE is indirect iff the
+/// second operand is an immediate.
+///
+inline MachineInstrBuilder BuildMI(MachineFunction &MF,
+                                   DebugLoc DL,
+                                   const MCInstrDesc &MCID,
+                                   bool IsIndirect,
+                                   unsigned Reg,
+                                   unsigned Offset,
+                                   const MDNode *MD) {
+  if (IsIndirect)
+    return BuildMI(MF, DL, MCID)
+      .addReg(Reg, RegState::Debug)
+      .addImm(Offset)
+      .addMetadata(MD);
+  else {
+    assert(Offset == 0 && "A direct address cannot have an offset.");
+    return BuildMI(MF, DL, MCID)
+      .addReg(Reg, RegState::Debug)
+      .addReg(0U, RegState::Debug)
+      .addMetadata(MD);
+  }
+}
+
+/// BuildMI - This version of the builder builds a DBG_VALUE intrinsic
+/// for either a value in a register or a register-indirect+offset
+/// address and inserts it at position I.
+///
+inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
+                                   MachineBasicBlock::iterator I,
+                                   DebugLoc DL,
+                                   const MCInstrDesc &MCID,
+                                   bool IsIndirect,
+                                   unsigned Reg,
+                                   unsigned Offset,
+                                   const MDNode *MD) {
+  MachineFunction &MF = *BB.getParent();
+  MachineInstr *MI = BuildMI(MF, DL, MCID, IsIndirect, Reg, Offset, MD);
+  BB.insert(I, MI);
+  return MachineInstrBuilder(MF, MI);
+}
+
+
 inline unsigned getDefRegState(bool B) {
   return B ? RegState::Define : 0;
 }
@@ -339,6 +398,9 @@ inline unsigned getUndefRegState(bool B) {
 inline unsigned getInternalReadRegState(bool B) {
   return B ? RegState::InternalRead : 0;
 }
+inline unsigned getDebugRegState(bool B) {
+  return B ? RegState::Debug : 0;
+}
 
 
 /// Helper class for constructing bundles of MachineInstrs.
@@ -375,11 +437,7 @@ public:
   /// Create an MIBundleBuilder representing an existing instruction or bundle
   /// that has MI as its head.
   explicit MIBundleBuilder(MachineInstr *MI)
-    : MBB(*MI->getParent()), Begin(MI) {
-    MachineBasicBlock::iterator I = MI;
-    ++I;
-    End = I.getInstrIterator();
-  }
+    : MBB(*MI->getParent()), Begin(MI), End(getBundleEnd(MI)) {}
 
   /// Return a reference to the basic block containing this bundle.
   MachineBasicBlock &getMBB() const { return MBB; }