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use OwningPtr and factor code better.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95156 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-02-02 23:45:17 +00:00
parent 56591ab218
commit 6cafdcc9af
1 changed files with 21 additions and 19 deletions
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40
lib/CodeGen/LLVMTargetMachine.cpp
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@ -26,6 +26,7 @@
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FormattedStream.h"
@ -119,34 +120,35 @@ LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
if (addCommonCodeGenPasses(PM, OptLevel))
return CGFT_ErrorOccurred;
OwningPtr<MCContext> Context(new MCContext());
OwningPtr<MCStreamer> AsmStreamer;
switch (FileType) {
default:
case CGFT_ObjectFile:
return CGFT_ErrorOccurred;
case CGFT_AssemblyFile: {
MCContext *Context = new MCContext();
MCStreamer *AsmStreamer =
createAsmStreamer(*Context, Out, *getMCAsmInfo(),
getTargetData()->isLittleEndian(),
getVerboseAsm(),
/*instprinter*/0,
/*codeemitter*/0);
// Create the AsmPrinter, which takes ownership of Context and AsmStreamer
// if successful.
FunctionPass *Printer =
getTarget().createAsmPrinter(Out, *this, *Context, *AsmStreamer,
getMCAsmInfo());
if (Printer == 0) {
delete AsmStreamer;
delete Context;
return CGFT_ErrorOccurred;
}
PM.add(Printer);
AsmStreamer.reset(createAsmStreamer(*Context, Out, *getMCAsmInfo(),
getTargetData()->isLittleEndian(),
getVerboseAsm(), /*instprinter*/0,
/*codeemitter*/0));
break;
}
}
// Create the AsmPrinter, which takes ownership of Context and AsmStreamer
// if successful.
FunctionPass *Printer =
getTarget().createAsmPrinter(Out, *this, *Context, *AsmStreamer,
getMCAsmInfo());
if (Printer == 0)
return CGFT_ErrorOccurred;
// If successful, createAsmPrinter took ownership of AsmStreamer and Context.
Context.take(); AsmStreamer.take();
PM.add(Printer);
// Make sure the code model is set.
setCodeModelForStatic();
PM.add(createGCInfoDeleter());