Make each target map all inline assembly memory constraints to InlineAsm::Constraint_...

[oota-llvm.git] / lib / Target / XCore / XCoreAsmPrinter.cpp

diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp
index ee84aa4a88292f8a79fe97e399e4676774c2afe4..4f7a7e9564005bb1e696ccc175894f764783919e 100644 (file)
--- 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"
@@ -27,9 +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"
@@ -46,16 +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";
     }
 
@@ -67,22 +70,29 @@ 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())) {
 
@@ -92,8 +102,8 @@ void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) {
     OutStreamer.EmitAssignment(SymGlob,
                                MCConstantExpr::Create(ATy->getNumElements(),
                                                       OutContext));
-    if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
-      // TODO Use COMDAT groups for LinkOnceLinkage
+    if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+        GV->hasCommonLinkage()) {
       OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Weak);
     }
   }
@@ -106,16 +116,15 @@ 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 +134,17 @@ 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 +157,7 @@ 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 +168,7 @@ 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 +179,12 @@ 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);
 }
 
@@ -246,6 +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);
@@ -278,7 +295,7 @@ void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
   MCInst TmpInst;
   MCInstLowering.Lower(MI, TmpInst);
 
-  OutStreamer.EmitInstruction(TmpInst);
+  EmitToStreamer(OutStreamer, TmpInst);
 }
 
 // Force static initialization.