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Move machine code generation/destruction passes out of Sparc.cpp because

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they are generic


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4310 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-10-28 01:12:41 +00:00
parent e42a84f64f
commit 227c3d355b
2 changed files with 58 additions and 44 deletions
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46
lib/Target/SparcV9/SparcV9TargetMachine.cpp
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@@ -113,48 +113,6 @@ UltraSparcFrameInfo::getDynamicAreaOffset(MachineFunction& mcInfo,
return offset;
}
//===---------------------------------------------------------------------===//
// Default code generation passes.
//
// Native code generation for a specified target.
//===---------------------------------------------------------------------===//
class ConstructMachineCodeForFunction : public FunctionPass {
TargetMachine &Target;
public:
ConstructMachineCodeForFunction(TargetMachine &T) : Target(T) {}
const char *getPassName() const {
return "ConstructMachineCodeForFunction";
}
bool runOnFunction(Function &F) {
MachineFunction::construct(&F, Target);
return false;
}
};
struct FreeMachineCodeForFunction : public FunctionPass {
const char *getPassName() const { return "FreeMachineCodeForFunction"; }
static void freeMachineCode(Instruction &I) {
MachineCodeForInstruction::destroy(&I);
}
bool runOnFunction(Function &F) {
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for (BasicBlock::iterator I = FI->begin(), E = FI->end(); I != E; ++I)
MachineCodeForInstruction::get(I).dropAllReferences();
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for_each(FI->begin(), FI->end(), freeMachineCode);
return false;
}
};
//---------------------------------------------------------------------------
// class UltraSparcMachine
//
@@ -187,7 +145,7 @@ UltraSparc::UltraSparc()
void UltraSparc::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out)
{
// Construct and initialize the MachineFunction object for this fn.
PM.add(new ConstructMachineCodeForFunction(*this));
PM.add(createMachineCodeConstructionPass(*this));
//Insert empty stackslots in the stack frame of each function
//so %fp+offset-8 and %fp+offset-16 are empty slots now!
@@ -224,7 +182,7 @@ void UltraSparc::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out)
// function has been emitted.
//
PM.add(getFunctionAsmPrinterPass(Out));
PM.add(new FreeMachineCodeForFunction()); // Free stuff no longer needed
PM.add(createMachineCodeDestructionPass()); // Free stuff no longer needed
// Emit Module level assembly after all of the functions have been processed.
PM.add(getModuleAsmPrinterPass(Out));