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change AsmPrinter to use DwarfDebug/DwarfException directly

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instead of going through DwarfWriter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100405 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-05 05:11:15 +00:00
parent 7fb053dd45
commit 49cd6649e1
5 changed files with 43 additions and 31 deletions
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46
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -13,8 +13,9 @@
#define DEBUG_TYPE "asm-printer"
#include "llvm/CodeGen/AsmPrinter.h"
#include "DwarfDebug.h"
#include "DwarfException.h"
#include "llvm/Module.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/GCMetadataPrinter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
@ -62,12 +63,14 @@ AsmPrinter::AsmPrinter(TargetMachine &tm, MCStreamer &Streamer)
OutContext(Streamer.getContext()),
OutStreamer(Streamer),
LastMI(0), LastFn(0), Counter(~0U), SetCounter(0) {
DW = 0; MMI = 0; LI = 0;
DD = 0; DE = 0; MMI = 0; LI = 0;
GCMetadataPrinters = 0;
VerboseAsm = Streamer.isVerboseAsm();
}
AsmPrinter::~AsmPrinter() {
assert(DD == 0 && DE == 0 && "Debug/EH info didn't get finalized");
if (GCMetadataPrinters != 0) {
gcp_map_type &GCMap = getGCMap(GCMetadataPrinters);
@ -108,7 +111,6 @@ void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<MachineModuleInfo>();
AU.addRequired<GCModuleInfo>();
AU.addRequired<DwarfWriter>();
if (isVerbose())
AU.addRequired<MachineLoopInfo>();
}
@ -148,9 +150,11 @@ bool AsmPrinter::doInitialization(Module &M) {
OutStreamer.AddBlankLine();
}
DW = getAnalysisIfAvailable<DwarfWriter>();
if (DW)
DW->BeginModule(&M, this);
if (MAI->doesSupportDebugInformation())
DD = new DwarfDebug(this, &M);
if (MAI->doesSupportExceptionHandling())
DE = new DwarfException(this);
return false;
}
@ -344,8 +348,8 @@ void AsmPrinter::EmitFunctionHeader() {
}
// Emit pre-function debug and/or EH information.
if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling())
DW->BeginFunction(MF);
if (DE) DE->BeginFunction(MF);
if (DD) DD->beginFunction(MF);
}
/// EmitFunctionEntryLabel - Emit the label that is the entrypoint for the
@ -439,8 +443,7 @@ void AsmPrinter::EmitFunctionBody() {
// Emit target-specific gunk before the function body.
EmitFunctionBodyStart();
bool ShouldPrintDebugScopes =
DW && MAI->doesSupportDebugInformation() &&DW->ShouldEmitDwarfDebug();
bool ShouldPrintDebugScopes = DD && MMI->hasDebugInfo();
// Print out code for the function.
bool HasAnyRealCode = false;
@ -457,7 +460,7 @@ void AsmPrinter::EmitFunctionBody() {
++EmittedInsts;
if (ShouldPrintDebugScopes)
DW->BeginScope(II);
DD->beginScope(II);
if (isVerbose())
EmitComments(*II, OutStreamer.GetCommentOS());
@ -483,7 +486,7 @@ void AsmPrinter::EmitFunctionBody() {
}
if (ShouldPrintDebugScopes)
DW->EndScope(II);
DD->endScope(II);
}
}
@ -512,8 +515,9 @@ void AsmPrinter::EmitFunctionBody() {
}
// Emit post-function debug information.
if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling())
DW->EndFunction(MF);
if (DD) DD->endFunction(MF);
if (DE) DE->EndFunction();
MMI->EndFunction();
// Print out jump tables referenced by the function.
EmitJumpTableInfo();
@ -528,9 +532,15 @@ bool AsmPrinter::doFinalization(Module &M) {
I != E; ++I)
EmitGlobalVariable(I);
// Emit final debug information.
if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling())
DW->EndModule();
// Finalize debug and EH information.
if (DE) {
DE->EndModule();
delete DE; DE = 0;
}
if (DD) {
DD->endModule();
delete DD; DD = 0;
}
// If the target wants to know about weak references, print them all.
if (MAI->getWeakRefDirective()) {
@ -594,7 +604,7 @@ bool AsmPrinter::doFinalization(Module &M) {
EmitEndOfAsmFile(M);
delete Mang; Mang = 0;
DW = 0; MMI = 0;
MMI = 0;
OutStreamer.Finish();
return false;