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-rw-r--r--lib/Target/XCore/XCoreAsmPrinter.cpp94
1 files changed, 54 insertions, 40 deletions
diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp
index c03dfe6..e98d4f9 100644
--- a/lib/Target/XCore/XCoreAsmPrinter.cpp
+++ b/lib/Target/XCore/XCoreAsmPrinter.cpp
@@ -12,13 +12,13 @@
//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "asm-printer"
#include "XCore.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "XCoreInstrInfo.h"
#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"
@@ -27,35 +27,39 @@
#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>
using namespace llvm;
+#define DEBUG_TYPE "asm-printer"
+
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>()),
MCInstLowering(*this) {}
- virtual const char *getPassName() const {
+ const char *getPassName() const override {
return "XCore Assembly Printer";
}
@@ -67,22 +71,29 @@ namespace {
void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O);
+ raw_ostream &O) override;
+ 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);
+ void EmitGlobalVariable(const GlobalVariable *GV) override;
- void EmitFunctionEntryLabel();
- void EmitInstruction(const MachineInstr *MI);
- void EmitFunctionBodyStart();
- void EmitFunctionBodyEnd();
+ void EmitFunctionEntryLabel() override;
+ void EmitInstruction(const MachineInstr *MI) override;
+ void EmitFunctionBodyStart() override;
+ void EmitFunctionBodyEnd() override;
};
} // 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 +103,8 @@ 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 +118,15 @@ 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 +136,18 @@ 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 +160,7 @@ 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 +171,7 @@ 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 +182,12 @@ 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 +210,7 @@ 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 +225,8 @@ 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 +252,20 @@ 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 +298,7 @@ void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
MCInst TmpInst;
MCInstLowering.Lower(MI, TmpInst);
- OutStreamer.EmitInstruction(TmpInst);
+ EmitToStreamer(OutStreamer, TmpInst);
}
// Force static initialization.
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