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Do not find these ugly sparc-specific objects by using the annotation API on

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instructions.  Instead, keep a map of instructions -> MCFI objects in the
already sparc-specific class MachineFunctionInfo.  This will slow down the
sparc backend a bit, but it does not penalize the rest of LLVM!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14438 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-06-27 18:52:17 +00:00
parent ea104df2b1
commit 4e7244e68e
1 changed files with 7 additions and 21 deletions
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28
lib/CodeGen/MachineCodeForInstruction.cpp
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@ -23,36 +23,22 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineCodeForInstruction.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionInfo.h"
#include "../Target/SparcV9/MachineInstrAnnot.h"
#include "llvm/Instruction.h"
using namespace llvm;
MachineCodeForInstruction &MachineCodeForInstruction::get(const Instruction *I){
return *(MachineCodeForInstruction*)I->getOrCreateAnnotation(MCFI_AID);
MachineFunction &MF = MachineFunction::get(I->getParent()->getParent());
return MF.getInfo()->MCFIEntries[I];
}
void MachineCodeForInstruction::destroy(const Instruction *I) {
I->deleteAnnotation(MCFI_AID);
MachineFunction &MF = MachineFunction::get(I->getParent()->getParent());
MF.getInfo()->MCFIEntries.erase(I);
}
AnnotationID llvm::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;
void
MachineCodeForInstruction::dropAllReferences()
{