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Make getTargetStreamer return a possibly null pointer.

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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
Download Patch File Download Diff File Expand all files Collapse all files

5
include/llvm/MC/MCStreamer.h
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@@ -171,9 +171,8 @@ public:
MCContext &getContext() const { return Context; } MCContext &getContext() const { return Context; }
MCTargetStreamer &getTargetStreamer() { MCTargetStreamer *getTargetStreamer() {
assert(TargetStreamer); return TargetStreamer.get();
return *TargetStreamer;
} }
unsigned getNumFrameInfos() { return FrameInfos.size(); } unsigned getNumFrameInfos() { return FrameInfos.size(); }

2
lib/CodeGen/AsmPrinter/ARMException.cpp
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@@ -48,7 +48,7 @@ ARMException::ARMException(AsmPrinter *A)
ARMException::~ARMException() {} ARMException::~ARMException() {}
ARMTargetStreamer &ARMException::getTargetStreamer() { ARMTargetStreamer &ARMException::getTargetStreamer() {
MCTargetStreamer &TS = Asm->OutStreamer.getTargetStreamer(); MCTargetStreamer &TS = *Asm->OutStreamer.getTargetStreamer();
return static_cast<ARMTargetStreamer &>(TS); return static_cast<ARMTargetStreamer &>(TS);
} }

4
lib/Target/ARM/ARMAsmPrinter.cpp
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@@ -616,7 +616,7 @@ static ARMBuildAttrs::CPUArch getArchForCPU(StringRef CPU,
} }
void ARMAsmPrinter::emitAttributes() { void ARMAsmPrinter::emitAttributes() {
MCTargetStreamer &TS = OutStreamer.getTargetStreamer(); MCTargetStreamer &TS = *OutStreamer.getTargetStreamer();
ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS); ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
ATS.switchVendor("aeabi"); ATS.switchVendor("aeabi");
@@ -983,7 +983,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
assert(MI->getFlag(MachineInstr::FrameSetup) && assert(MI->getFlag(MachineInstr::FrameSetup) &&
"Only instruction which are involved into frame setup code are allowed"); "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); ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
const MachineFunction &MF = *MI->getParent()->getParent(); const MachineFunction &MF = *MI->getParent()->getParent();
const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo(); const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();

2
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@@ -192,7 +192,7 @@ class ARMAsmParser : public MCTargetAsmParser {
} }
ARMTargetStreamer &getTargetStreamer() { ARMTargetStreamer &getTargetStreamer() {
MCTargetStreamer &TS = getParser().getStreamer().getTargetStreamer(); MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer();
return static_cast<ARMTargetStreamer &>(TS); return static_cast<ARMTargetStreamer &>(TS);
} }

2
lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
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@@ -925,7 +925,7 @@ void ARMTargetELFStreamer::emitInst(uint32_t Inst, char Suffix) {
} }
void ARMELFStreamer::FinishImpl() { void ARMELFStreamer::FinishImpl() {
MCTargetStreamer &TS = getTargetStreamer(); MCTargetStreamer &TS = *getTargetStreamer();
ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS); ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
ATS.finishAttributeSection(); ATS.finishAttributeSection();

2
lib/Target/Mips/AsmParser/MipsAsmParser.cpp
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@@ -57,7 +57,7 @@ namespace {
class MipsAsmParser : public MCTargetAsmParser { class MipsAsmParser : public MCTargetAsmParser {
MipsTargetStreamer &getTargetStreamer() { MipsTargetStreamer &getTargetStreamer() {
MCTargetStreamer &TS = Parser.getStreamer().getTargetStreamer(); MCTargetStreamer &TS = *Parser.getStreamer().getTargetStreamer();
return static_cast<MipsTargetStreamer &>(TS); return static_cast<MipsTargetStreamer &>(TS);
} }

2
lib/Target/Mips/MipsAsmPrinter.cpp
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@@ -46,7 +46,7 @@
using namespace llvm; using namespace llvm;
MipsTargetStreamer &MipsAsmPrinter::getTargetStreamer() { MipsTargetStreamer &MipsAsmPrinter::getTargetStreamer() {
return static_cast<MipsTargetStreamer &>(OutStreamer.getTargetStreamer()); return static_cast<MipsTargetStreamer &>(*OutStreamer.getTargetStreamer());
} }
bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) { bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) {

2
lib/Target/PowerPC/PPCAsmPrinter.cpp
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@@ -769,7 +769,7 @@ bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
bool isPPC64 = TD->getPointerSizeInBits() == 64; bool isPPC64 = TD->getPointerSizeInBits() == 64;
PPCTargetStreamer &TS = PPCTargetStreamer &TS =
static_cast<PPCTargetStreamer &>(OutStreamer.getTargetStreamer()); static_cast<PPCTargetStreamer &>(*OutStreamer.getTargetStreamer());
if (isPPC64 && !TOC.empty()) { if (isPPC64 && !TOC.empty()) {
const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".toc", const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".toc",

3
lib/Target/Sparc/SparcAsmPrinter.cpp
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@@ -37,7 +37,8 @@ using namespace llvm;
namespace { namespace {
class SparcAsmPrinter : public AsmPrinter { class SparcAsmPrinter : public AsmPrinter {
SparcTargetStreamer &getTargetStreamer() { SparcTargetStreamer &getTargetStreamer() {
return static_cast<SparcTargetStreamer&>(OutStreamer.getTargetStreamer()); return static_cast<SparcTargetStreamer &>(
*OutStreamer.getTargetStreamer());
} }
public: public:
explicit SparcAsmPrinter(TargetMachine &TM, MCStreamer &Streamer) explicit SparcAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)