Make getTargetStreamer return a possibly null pointer.

This will allow it to be called from target independent parts of the main
streamer that don't know if there is a registered target streamer or not. This
in turn will allow targets to perform extra actions at specified points in the
interface: add extra flags for some labels, extra work during finalization, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199174 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-01-14 01:21:46 +00:00
parent f619e9039a
commit e99ebe7d0c
9 changed files with 12 additions and 12 deletions

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@ -171,9 +171,8 @@ public:
MCContext &getContext() const { return Context; }
MCTargetStreamer &getTargetStreamer() {
assert(TargetStreamer);
return *TargetStreamer;
MCTargetStreamer *getTargetStreamer() {
return TargetStreamer.get();
}
unsigned getNumFrameInfos() { return FrameInfos.size(); }

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@ -48,7 +48,7 @@ ARMException::ARMException(AsmPrinter *A)
ARMException::~ARMException() {}
ARMTargetStreamer &ARMException::getTargetStreamer() {
MCTargetStreamer &TS = Asm->OutStreamer.getTargetStreamer();
MCTargetStreamer &TS = *Asm->OutStreamer.getTargetStreamer();
return static_cast<ARMTargetStreamer &>(TS);
}

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@ -616,7 +616,7 @@ static ARMBuildAttrs::CPUArch getArchForCPU(StringRef CPU,
}
void ARMAsmPrinter::emitAttributes() {
MCTargetStreamer &TS = OutStreamer.getTargetStreamer();
MCTargetStreamer &TS = *OutStreamer.getTargetStreamer();
ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
ATS.switchVendor("aeabi");
@ -983,7 +983,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
assert(MI->getFlag(MachineInstr::FrameSetup) &&
"Only instruction which are involved into frame setup code are allowed");
MCTargetStreamer &TS = OutStreamer.getTargetStreamer();
MCTargetStreamer &TS = *OutStreamer.getTargetStreamer();
ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
const MachineFunction &MF = *MI->getParent()->getParent();
const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();

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@ -192,7 +192,7 @@ class ARMAsmParser : public MCTargetAsmParser {
}
ARMTargetStreamer &getTargetStreamer() {
MCTargetStreamer &TS = getParser().getStreamer().getTargetStreamer();
MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer();
return static_cast<ARMTargetStreamer &>(TS);
}

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@ -925,7 +925,7 @@ void ARMTargetELFStreamer::emitInst(uint32_t Inst, char Suffix) {
}
void ARMELFStreamer::FinishImpl() {
MCTargetStreamer &TS = getTargetStreamer();
MCTargetStreamer &TS = *getTargetStreamer();
ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
ATS.finishAttributeSection();

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@ -57,7 +57,7 @@ namespace {
class MipsAsmParser : public MCTargetAsmParser {
MipsTargetStreamer &getTargetStreamer() {
MCTargetStreamer &TS = Parser.getStreamer().getTargetStreamer();
MCTargetStreamer &TS = *Parser.getStreamer().getTargetStreamer();
return static_cast<MipsTargetStreamer &>(TS);
}

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@ -46,7 +46,7 @@
using namespace llvm;
MipsTargetStreamer &MipsAsmPrinter::getTargetStreamer() {
return static_cast<MipsTargetStreamer &>(OutStreamer.getTargetStreamer());
return static_cast<MipsTargetStreamer &>(*OutStreamer.getTargetStreamer());
}
bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) {

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@ -769,7 +769,7 @@ bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
bool isPPC64 = TD->getPointerSizeInBits() == 64;
PPCTargetStreamer &TS =
static_cast<PPCTargetStreamer &>(OutStreamer.getTargetStreamer());
static_cast<PPCTargetStreamer &>(*OutStreamer.getTargetStreamer());
if (isPPC64 && !TOC.empty()) {
const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".toc",

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@ -37,7 +37,8 @@ using namespace llvm;
namespace {
class SparcAsmPrinter : public AsmPrinter {
SparcTargetStreamer &getTargetStreamer() {
return static_cast<SparcTargetStreamer&>(OutStreamer.getTargetStreamer());
return static_cast<SparcTargetStreamer &>(
*OutStreamer.getTargetStreamer());
}
public:
explicit SparcAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)