//===-- MachineCodeForInstruction.cpp -------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
//
-// Representation of the sequence of machine instructions created
-// for a single VM instruction. Additionally records information
-// about hidden and implicit values used by the machine instructions:
-// about hidden values used by the machine instructions:
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
-// "Temporary values" are intermediate values used in the machine
-// instruction sequence, but not in the VM instruction
-// Note that such values should be treated as pure SSA values with
-// no interpretation of their operands (i.e., as a TmpInstruction
-// object which actually represents such a value).
+//===----------------------------------------------------------------------===//
+//
+// Representation of the sequence of machine instructions created for a single
+// VM instruction. Additionally records information about hidden and implicit
+// values used by the machine instructions: about hidden values used by the
+// machine instructions:
//
-// (2) "Implicit uses" are values used in the VM instruction but not in
-// the machine instruction sequence
+// "Temporary values" are intermediate values used in the machine instruction
+// sequence, but not in the VM instruction. Note that such values should be
+// treated as pure SSA values with no interpretation of their operands (i.e., as
+// a TmpInstruction object which actually represents such a value).
+//
+// (2) "Implicit uses" are values used in the VM instruction but not in the
+// machine instruction sequence
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineCodeForInstruction.h"
+#include "llvm/Function.h"
#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/InstrSelection.h"
-
-static AnnotationID MCFI_AID(
- AnnotationManager::getID("CodeGen::MachineCodeForInstruction"));
-
-static Annotation *CreateMCFI(AnnotationID AID, const Annotable *, void *) {
- assert(AID == MCFI_AID);
- return new MachineCodeForInstruction(); // Invoke constructor!
-}
-
-// Register the annotation with the annotation factory
-static struct MCFIInitializer {
- MCFIInitializer() {
- AnnotationManager::registerAnnotationFactory(MCFI_AID, &CreateMCFI);
- }
-} RegisterCreateMCFI;
-
-
-MachineCodeForInstruction&
-MachineCodeForInstruction::get(const Instruction *I){
- return *(MachineCodeForInstruction*)I->getOrCreateAnnotation(MCFI_AID);
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineFunctionInfo.h"
+#include "../Target/SparcV9/MachineInstrAnnot.h"
+using namespace llvm;
+
+MachineCodeForInstruction &MachineCodeForInstruction::get(const Instruction *I){
+ MachineFunction &MF = MachineFunction::get(I->getParent()->getParent());
+ return MF.getInfo()->MCFIEntries[I];
}
-
-
-void
-MachineCodeForInstruction::destroy(const Instruction *I) {
- I->deleteAnnotation(MCFI_AID);
+void MachineCodeForInstruction::destroy(const Instruction *I) {
+ MachineFunction &MF = MachineFunction::get(I->getParent()->getParent());
+ MF.getInfo()->MCFIEntries.erase(I);
}
-
void
MachineCodeForInstruction::dropAllReferences()
{
for (unsigned i=0, N=tempVec.size(); i < N; i++)
- cast<TmpInstruction>(tempVec[i])->dropAllReferences();
+ cast<Instruction>(tempVec[i])->dropAllReferences();
}
-MachineCodeForInstruction::MachineCodeForInstruction()
- : Annotation(MCFI_AID)
-{}
-
-
-MachineCodeForInstruction::~MachineCodeForInstruction()
-{
+MachineCodeForInstruction::~MachineCodeForInstruction() {
// Let go of all uses in temp. instructions
dropAllReferences();
for (unsigned i=0, N=tempVec.size(); i < N; i++)
delete tempVec[i];
- // Free the MachineInstr objects allocated, if any.
- for (unsigned i=0, N = size(); i < N; i++)
- delete (*this)[i];
+ // do not free the MachineInstr objects allocated. they are managed
+ // by the ilist in MachineBasicBlock
+
+ // Free the CallArgsDescriptor if it exists.
+ delete callArgsDesc;
}