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sink management of DwarfWriter & MachineModuleInfo into the AsmPrinter base class.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74101 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-24 19:09:55 +00:00
parent 1f522feabf
commit 0de1fc4f41
5 changed files with 19 additions and 38 deletions
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8
include/llvm/CodeGen/AsmPrinter.h
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@ -33,6 +33,7 @@ namespace llvm {
class GlobalVariable;
class MachineConstantPoolEntry;
class MachineConstantPoolValue;
class MachineModuleInfo;
class DwarfWriter;
class Mangler;
class Section;
@ -58,9 +59,10 @@ namespace llvm {
gcp_map_type GCMetadataPrinters;
protected:
/// DW -This is needed because printDeclare() has to insert
/// DbgVariable entries into the dwarf table. This is a short term hack
/// that ought be fixed soon.
/// MMI - If available, this is a pointer to the current MachineModuleInfo.
MachineModuleInfo *MMI;
/// DW - If available, this is a pointer to the current dwarf writer.
DwarfWriter *DW;
/// OptLevel - Generating code at a specific optimization level.

20
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -45,8 +45,8 @@ AsmPrinter::AsmPrinter(raw_ostream &o, TargetMachine &tm,
const TargetAsmInfo *T, CodeGenOpt::Level OL, bool VDef)
: MachineFunctionPass(&ID), FunctionNumber(0), OptLevel(OL), O(o),
TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
IsInTextSection(false)
{
IsInTextSection(false) {
DW = 0; MMI = 0;
switch (AsmVerbose) {
case cl::BOU_UNSET: VerboseAsm = VDef; break;
case cl::BOU_TRUE: VerboseAsm = true; break;
@ -177,15 +177,14 @@ bool AsmPrinter::doInitialization(Module &M) {
SwitchToDataSection(""); // Reset back to no section.
if (TAI->doesSupportDebugInformation()
|| TAI->doesSupportExceptionHandling()) {
MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
if (MMI) {
if (TAI->doesSupportDebugInformation() ||
TAI->doesSupportExceptionHandling()) {
MMI = getAnalysisIfAvailable<MachineModuleInfo>();
if (MMI)
MMI->AnalyzeModule(M);
DW = getAnalysisIfAvailable<DwarfWriter>();
if (DW)
DW->BeginModule(&M, MMI, O, this, TAI);
}
DW = getAnalysisIfAvailable<DwarfWriter>();
if (DW)
DW->BeginModule(&M, MMI, O, this, TAI);
}
return false;
@ -258,6 +257,7 @@ bool AsmPrinter::doFinalization(Module &M) {
O << TAI->getNonexecutableStackDirective() << '\n';
delete Mang; Mang = 0;
DW = 0; MMI = 0;
return false;
}

23
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
View File

@ -293,20 +293,17 @@ namespace {
/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
class VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
DwarfWriter *DW;
MachineModuleInfo *MMI;
public:
explicit PPCLinuxAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
const TargetAsmInfo *T, CodeGenOpt::Level OL,
bool V)
: PPCAsmPrinter(O, TM, T, OL, V), DW(0), MMI(0) {}
: PPCAsmPrinter(O, TM, T, OL, V){}
virtual const char *getPassName() const {
return "Linux PPC Assembly Printer";
}
bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M);
bool doFinalization(Module &M);
void getAnalysisUsage(AnalysisUsage &AU) const {
@ -322,14 +319,12 @@ namespace {
/// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
/// OS X
class VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
DwarfWriter *DW;
MachineModuleInfo *MMI;
raw_ostream &OS;
public:
explicit PPCDarwinAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
const TargetAsmInfo *T, CodeGenOpt::Level OL,
bool V)
: PPCAsmPrinter(O, TM, T, OL, V), DW(0), MMI(0), OS(O) {}
: PPCAsmPrinter(O, TM, T, OL, V), OS(O) {}
virtual const char *getPassName() const {
return "Darwin PPC Assembly Printer";
@ -637,15 +632,6 @@ bool PPCLinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
return false;
}
bool PPCLinuxAsmPrinter::doInitialization(Module &M) {
bool Result = AsmPrinter::doInitialization(M);
DW = getAnalysisIfAvailable<DwarfWriter>();
MMI = getAnalysisIfAvailable<MachineModuleInfo>();
assert(MMI);
SwitchToSection(TAI->getTextSection());
return Result;
}
/// PrintUnmangledNameSafely - Print out the printable characters in the name.
/// Don't print things like \\n or \\0.
static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
@ -848,8 +834,6 @@ bool PPCDarwinAsmPrinter::doInitialization(Module &M) {
O << "\t.machine " << CPUDirectives[Directive] << '\n';
bool Result = AsmPrinter::doInitialization(M);
DW = getAnalysisIfAvailable<DwarfWriter>();
MMI = getAnalysisIfAvailable<MachineModuleInfo>();
assert(MMI);
// Prime text sections so they are adjacent. This reduces the likelihood a
@ -1076,8 +1060,7 @@ bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
if (TAI->doesSupportExceptionHandling() && MMI) {
// Add the (possibly multiple) personalities to the set of global values.
// Only referenced functions get into the Personalities list.
const std::vector<Function *>& Personalities = MMI->getPersonalities();
const std::vector<Function *> &Personalities = MMI->getPersonalities();
for (std::vector<Function *>::const_iterator I = Personalities.begin(),
E = Personalities.end(); I != E; ++I)
if (*I) GVStubs.insert("_" + (*I)->getName());

3
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
View File

@ -927,9 +927,6 @@ void X86ATTAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
/// doInitialization
bool X86ATTAsmPrinter::doInitialization(Module &M) {
if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling())
MMI = getAnalysisIfAvailable<MachineModuleInfo>();
if (NewAsmPrinter) {
Context = new MCContext();
// FIXME: Send this to "O" instead of outs(). For now, we force it to

3
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
View File

@ -32,7 +32,6 @@ class MCInst;
class MCStreamer;
class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
MachineModuleInfo *MMI;
const X86Subtarget *Subtarget;
MCContext *Context;
@ -41,7 +40,7 @@ class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
explicit X86ATTAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
const TargetAsmInfo *T, CodeGenOpt::Level OL,
bool V)
: AsmPrinter(O, TM, T, OL, V), MMI(0) {
: AsmPrinter(O, TM, T, OL, V) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
Context = 0;
Streamer = 0;