X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FTarget%2FXCore%2FXCoreAsmPrinter.cpp;h=23e24f2afd5a4cf214aa0ce21396230e736cc974;hp=fe030fa4c23d4002b4e58c630edc25b0ccd014ce;hb=19696daa2159e059b9a15cda222e97d2b91b279d;hpb=4396f5d9d2c215988f9368e94bfd5e1eb1cced58

diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp
index fe030fa4c23..23e24f2afd5 100644
--- a/lib/Target/XCore/XCoreAsmPrinter.cpp
+++ b/lib/Target/XCore/XCoreAsmPrinter.cpp
@@ -12,14 +12,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "asm-printer"
 #include "XCore.h"
-#include "XCoreTargetStreamer.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"
@@ -28,9 +27,9 @@
 #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"
@@ -47,18 +46,19 @@
 #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) {}
+    explicit XCoreAsmPrinter(TargetMachine &TM,
+                             std::unique_ptr<MCStreamer> Streamer)
+        : AsmPrinter(TM, std::move(Streamer)), MCInstLowering(*this) {}
 
-    virtual const char *getPassName() const {
+    const char *getPassName() const override {
       return "XCore Assembly Printer";
     }
 
@@ -70,38 +70,41 @@ 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());
+  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())) {
 
-    MCSymbol *SymGlob = OutContext.GetOrCreateSymbol(
+    MCSymbol *SymGlob = OutContext.getOrCreateSymbol(
                           Twine(Sym->getName() + StringRef(".globound")));
-    OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Global);
-    OutStreamer.EmitAssignment(SymGlob,
-                               MCConstantExpr::Create(ATy->getNumElements(),
-                                                      OutContext));
-    if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
-      // TODO Use COMDAT groups for LinkOnceLinkage
-      OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Weak);
+    OutStreamer->EmitSymbolAttribute(SymGlob, MCSA_Global);
+    OutStreamer->EmitAssignment(SymGlob,
+                                MCConstantExpr::Create(ATy->getNumElements(),
+                                                       OutContext));
+    if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+        GV->hasCommonLinkage()) {
+      OutStreamer->EmitSymbolAttribute(SymGlob, MCSA_Weak);
     }
   }
 }
@@ -113,9 +116,9 @@ 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());
@@ -131,12 +134,13 @@ 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);
+    OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Global);
 
-    // TODO Use COMDAT groups for LinkOnceLinkage
-    if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage())
-      OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak);
+    if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+        GV->hasCommonLinkage())
+      OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Weak);
     // FALL THROUGH
   case GlobalValue::InternalLinkage:
   case GlobalValue::PrivateLinkage:
@@ -152,16 +156,16 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
   }
   unsigned Size = TD->getTypeAllocSize(C->getType());
   if (MAI->hasDotTypeDotSizeDirective()) {
-    OutStreamer.EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject);
-    OutStreamer.EmitELFSize(GVSym, MCConstantExpr::Create(Size, OutContext));
+    OutStreamer->EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject);
+    OutStreamer->EmitELFSize(GVSym, MCConstantExpr::Create(Size, OutContext));
   }
-  OutStreamer.EmitLabel(GVSym);
+  OutStreamer->EmitLabel(GVSym);
   
   EmitGlobalConstant(C);
   // The ABI requires that unsigned scalar types smaller than 32 bits
   // are padded to 32 bits.
   if (Size < 4)
-    OutStreamer.EmitZeros(4 - Size);
+    OutStreamer->EmitZeros(4 - Size);
   
   // Mark the end of the global
   getTargetStreamer().emitCCBottomData(GVSym->getName());
@@ -181,7 +185,7 @@ void XCoreAsmPrinter::EmitFunctionBodyEnd() {
 void XCoreAsmPrinter::EmitFunctionEntryLabel() {
   // Mark the start of the function
   getTargetStreamer().emitCCTopFunction(CurrentFnSym->getName());
-  OutStreamer.EmitLabel(CurrentFnSym);
+  OutStreamer->EmitLabel(CurrentFnSym);
 }
 
 void XCoreAsmPrinter::
@@ -245,6 +249,20 @@ 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);
@@ -257,7 +275,7 @@ void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
       O << "\tmov "
         << XCoreInstPrinter::getRegisterName(MI->getOperand(0).getReg()) << ", "
         << XCoreInstPrinter::getRegisterName(MI->getOperand(1).getReg());
-      OutStreamer.EmitRawText(O.str());
+      OutStreamer->EmitRawText(O.str());
       return;
     }
     break;
@@ -270,14 +288,14 @@ void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
     else
       printInlineJT32(MI, 0, O);
     O << '\n';
-    OutStreamer.EmitRawText(O.str());
+    OutStreamer->EmitRawText(O.str());
     return;
   }
 
   MCInst TmpInst;
   MCInstLowering.Lower(MI, TmpInst);
 
-  EmitToStreamer(OutStreamer, TmpInst);
+  EmitToStreamer(*OutStreamer, TmpInst);
 }
 
 // Force static initialization.