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author | Stephen Hines <srhines@google.com> | 2014-04-23 16:57:46 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2014-04-24 15:53:16 -0700 |
commit | 36b56886974eae4f9c5ebc96befd3e7bfe5de338 (patch) | |
tree | e6cfb69fbbd937f450eeb83bfb83b9da3b01275a /lib/Target/XCore/XCoreAsmPrinter.cpp | |
parent | 69a8640022b04415ae9fac62f8ab090601d8f889 (diff) | |
download | external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.zip external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.gz external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.bz2 |
Update to LLVM 3.5a.
Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
Diffstat (limited to 'lib/Target/XCore/XCoreAsmPrinter.cpp')
-rw-r--r-- | lib/Target/XCore/XCoreAsmPrinter.cpp | 77 |
1 files changed, 45 insertions, 32 deletions
diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp index c03dfe6..21acedf 100644 --- a/lib/Target/XCore/XCoreAsmPrinter.cpp +++ b/lib/Target/XCore/XCoreAsmPrinter.cpp @@ -19,6 +19,7 @@ #include "XCoreMCInstLower.h" #include "XCoreSubtarget.h" #include "XCoreTargetMachine.h" +#include "XCoreTargetStreamer.h" #include "llvm/ADT/SmallString.h" #include "llvm/ADT/StringExtras.h" #include "llvm/CodeGen/AsmPrinter.h" @@ -27,20 +28,20 @@ #include "llvm/CodeGen/MachineInstr.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" #include "llvm/CodeGen/MachineModuleInfo.h" -#include "llvm/DebugInfo.h" #include "llvm/IR/Constants.h" #include "llvm/IR/DataLayout.h" +#include "llvm/IR/DebugInfo.h" #include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/Mangler.h" #include "llvm/IR/Module.h" #include "llvm/MC/MCAsmInfo.h" +#include "llvm/MC/MCExpr.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCSymbol.h" -#include "llvm/MC/MCExpr.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/TargetRegistry.h" #include "llvm/Support/raw_ostream.h" -#include "llvm/Target/Mangler.h" #include "llvm/Target/TargetLoweringObjectFile.h" #include <algorithm> #include <cctype> @@ -50,6 +51,8 @@ namespace { class XCoreAsmPrinter : public AsmPrinter { const XCoreSubtarget &Subtarget; XCoreMCInstLower MCInstLowering; + XCoreTargetStreamer &getTargetStreamer(); + public: explicit XCoreAsmPrinter(TargetMachine &TM, MCStreamer &Streamer) : AsmPrinter(TM, Streamer), Subtarget(TM.getSubtarget<XCoreSubtarget>()), @@ -68,6 +71,9 @@ namespace { bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, unsigned AsmVariant, const char *ExtraCode, raw_ostream &O); + bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum, + unsigned AsmVariant, const char *ExtraCode, + raw_ostream &O) override; void emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV); virtual void EmitGlobalVariable(const GlobalVariable *GV); @@ -79,10 +85,14 @@ namespace { }; } // end of anonymous namespace +XCoreTargetStreamer &XCoreAsmPrinter::getTargetStreamer() { + return static_cast<XCoreTargetStreamer&>(*OutStreamer.getTargetStreamer()); +} + void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) { - assert(((GV->hasExternalLinkage() || - GV->hasWeakLinkage()) || - GV->hasLinkOnceLinkage()) && "Unexpected linkage"); + assert( ( GV->hasExternalLinkage() || GV->hasWeakLinkage() || + GV->hasLinkOnceLinkage() || GV->hasCommonLinkage() ) && + "Unexpected linkage"); if (ArrayType *ATy = dyn_cast<ArrayType>( cast<PointerType>(GV->getType())->getElementType())) { @@ -92,7 +102,8 @@ void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) { OutStreamer.EmitAssignment(SymGlob, MCConstantExpr::Create(ATy->getNumElements(), OutContext)); - if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) { + if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || + GV->hasCommonLinkage()) { // TODO Use COMDAT groups for LinkOnceLinkage OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Weak); } @@ -106,16 +117,15 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) { return; const DataLayout *TD = TM.getDataLayout(); - OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(GV, Mang,TM)); + OutStreamer.SwitchSection( + getObjFileLowering().SectionForGlobal(GV, *Mang, TM)); - MCSymbol *GVSym = getSymbol(GV); const Constant *C = GV->getInitializer(); unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType()); // Mark the start of the global - OutStreamer.EmitRawText("\t.cc_top " + Twine(GVSym->getName()) + ".data," + - GVSym->getName()); + getTargetStreamer().emitCCTopData(GVSym->getName()); switch (GV->getLinkage()) { case GlobalValue::AppendingLinkage: @@ -125,20 +135,18 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) { case GlobalValue::WeakAnyLinkage: case GlobalValue::WeakODRLinkage: case GlobalValue::ExternalLinkage: + case GlobalValue::CommonLinkage: emitArrayBound(GVSym, GV); OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global); // TODO Use COMDAT groups for LinkOnceLinkage - if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) + if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || + GV->hasCommonLinkage()) OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak); // FALL THROUGH case GlobalValue::InternalLinkage: case GlobalValue::PrivateLinkage: break; - case GlobalValue::DLLImportLinkage: - llvm_unreachable("DLLImport linkage is not supported by this target!"); - case GlobalValue::DLLExportLinkage: - llvm_unreachable("DLLExport linkage is not supported by this target!"); default: llvm_unreachable("Unknown linkage type!"); } @@ -151,8 +159,7 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) { unsigned Size = TD->getTypeAllocSize(C->getType()); if (MAI->hasDotTypeDotSizeDirective()) { OutStreamer.EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject); - OutStreamer.EmitRawText("\t.size " + Twine(GVSym->getName()) + "," + - Twine(Size)); + OutStreamer.EmitELFSize(GVSym, MCConstantExpr::Create(Size, OutContext)); } OutStreamer.EmitLabel(GVSym); @@ -163,7 +170,7 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) { OutStreamer.EmitZeros(4 - Size); // Mark the end of the global - OutStreamer.EmitRawText("\t.cc_bottom " + Twine(GVSym->getName()) + ".data"); + getTargetStreamer().emitCCBottomData(GVSym->getName()); } void XCoreAsmPrinter::EmitFunctionBodyStart() { @@ -174,14 +181,12 @@ void XCoreAsmPrinter::EmitFunctionBodyStart() { /// the last basic block in the function. void XCoreAsmPrinter::EmitFunctionBodyEnd() { // Emit function end directives - OutStreamer.EmitRawText("\t.cc_bottom " + Twine(CurrentFnSym->getName()) + - ".function"); + getTargetStreamer().emitCCBottomFunction(CurrentFnSym->getName()); } void XCoreAsmPrinter::EmitFunctionEntryLabel() { // Mark the start of the function - OutStreamer.EmitRawText("\t.cc_top " + Twine(CurrentFnSym->getName()) + - ".function," + CurrentFnSym->getName()); + getTargetStreamer().emitCCTopFunction(CurrentFnSym->getName()); OutStreamer.EmitLabel(CurrentFnSym); } @@ -204,6 +209,7 @@ printInlineJT(const MachineInstr *MI, int opNum, raw_ostream &O, void XCoreAsmPrinter::printOperand(const MachineInstr *MI, int opNum, raw_ostream &O) { + const DataLayout *DL = TM.getDataLayout(); const MachineOperand &MO = MI->getOperand(opNum); switch (MO.getType()) { case MachineOperand::MO_Register: @@ -218,15 +224,8 @@ void XCoreAsmPrinter::printOperand(const MachineInstr *MI, int opNum, case MachineOperand::MO_GlobalAddress: O << *getSymbol(MO.getGlobal()); break; - case MachineOperand::MO_ExternalSymbol: - O << MO.getSymbolName(); - break; case MachineOperand::MO_ConstantPoolIndex: - O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() - << '_' << MO.getIndex(); - break; - case MachineOperand::MO_JumpTableIndex: - O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() + O << DL->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_' << MO.getIndex(); break; case MachineOperand::MO_BlockAddress: @@ -252,6 +251,20 @@ bool XCoreAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O); } +bool XCoreAsmPrinter:: +PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum, + unsigned AsmVariant, const char *ExtraCode, + raw_ostream &O) { + if (ExtraCode && ExtraCode[0]) { + return true; // Unknown modifier. + } + printOperand(MI, OpNum, O); + O << '['; + printOperand(MI, OpNum + 1, O); + O << ']'; + return false; +} + void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) { SmallString<128> Str; raw_svector_ostream O(Str); @@ -284,7 +297,7 @@ void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) { MCInst TmpInst; MCInstLowering.Lower(MI, TmpInst); - OutStreamer.EmitInstruction(TmpInst); + EmitToStreamer(OutStreamer, TmpInst); } // Force static initialization. |