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[AsmPrinter] Make AsmPrinter's OutStreamer member a unique_ptr.
[oota-llvm.git] / lib / Target / NVPTX / NVPTXAsmPrinter.cpp
diff --git a/lib/Target/NVPTX/NVPTXAsmPrinter.cpp b/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
index e3187a4dd8fb0c44718dbdc934bbb7c76a15b9f9..3beee65b7ef09da840373af2023c38f52577245c 100644 (file)
--- a/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
+++ b/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
@@ -129,15 +129,12 @@ void NVPTXAsmPrinter::emitLineNumberAsDotLoc(const MachineInstr &MI) {
   if (!curLoc)
     return;
 
-  DIScope Scope(curLoc.getScope());
-
-  assert((!Scope || Scope.isScope()) &&
-    "Scope of a DebugLoc should be null or a DIScope.");
+  auto *Scope = cast_or_null<MDScope>(curLoc.getScope());
   if (!Scope)
      return;
 
-  StringRef fileName(Scope.getFilename());
-  StringRef dirName(Scope.getDirectory());
+  StringRef fileName(Scope->getFilename());
+  StringRef dirName(Scope->getDirectory());
   SmallString<128> FullPathName = dirName;
   if (!dirName.empty() && !sys::path::is_absolute(fileName)) {
     sys::path::append(FullPathName, fileName);
@@ -154,7 +151,7 @@ void NVPTXAsmPrinter::emitLineNumberAsDotLoc(const MachineInstr &MI) {
   std::stringstream temp;
   temp << "\t.loc " << filenameMap[fileName] << " " << curLoc.getLine()
        << " " << curLoc.getCol();
-  OutStreamer.EmitRawText(temp.str());
+  OutStreamer->EmitRawText(temp.str());
 }
 
 void NVPTXAsmPrinter::EmitInstruction(const MachineInstr *MI) {
@@ -165,7 +162,7 @@ void NVPTXAsmPrinter::EmitInstruction(const MachineInstr *MI) {
 
   MCInst Inst;
   lowerToMCInst(MI, Inst);
-  EmitToStreamer(OutStreamer, Inst);
+  EmitToStreamer(*OutStreamer, Inst);
 }
 
 // Handle symbol backtracking for targets that do not support image handles
@@ -447,7 +444,7 @@ bool NVPTXAsmPrinter::isLoopHeaderOfNoUnroll(
 void NVPTXAsmPrinter::EmitBasicBlockStart(const MachineBasicBlock &MBB) const {
   AsmPrinter::EmitBasicBlockStart(MBB);
   if (isLoopHeaderOfNoUnroll(MBB))
-    OutStreamer.EmitRawText(StringRef("\t.pragma \"nounroll\";\n"));
+    OutStreamer->EmitRawText(StringRef("\t.pragma \"nounroll\";\n"));
 }
 
 void NVPTXAsmPrinter::EmitFunctionEntryLabel() {
@@ -477,37 +474,37 @@ void NVPTXAsmPrinter::EmitFunctionEntryLabel() {
   if (llvm::isKernelFunction(*F))
     emitKernelFunctionDirectives(*F, O);
 
-  OutStreamer.EmitRawText(O.str());
+  OutStreamer->EmitRawText(O.str());
 
   prevDebugLoc = DebugLoc();
 }
 
 void NVPTXAsmPrinter::EmitFunctionBodyStart() {
   VRegMapping.clear();
-  OutStreamer.EmitRawText(StringRef("{\n"));
+  OutStreamer->EmitRawText(StringRef("{\n"));
   setAndEmitFunctionVirtualRegisters(*MF);
 
   SmallString<128> Str;
   raw_svector_ostream O(Str);
   emitDemotedVars(MF->getFunction(), O);
-  OutStreamer.EmitRawText(O.str());
+  OutStreamer->EmitRawText(O.str());
 }
 
 void NVPTXAsmPrinter::EmitFunctionBodyEnd() {
-  OutStreamer.EmitRawText(StringRef("}\n"));
+  OutStreamer->EmitRawText(StringRef("}\n"));
   VRegMapping.clear();
 }
 
 void NVPTXAsmPrinter::emitImplicitDef(const MachineInstr *MI) const {
   unsigned RegNo = MI->getOperand(0).getReg();
   if (TargetRegisterInfo::isVirtualRegister(RegNo)) {
-    OutStreamer.AddComment(Twine("implicit-def: ") +
-                           getVirtualRegisterName(RegNo));
+    OutStreamer->AddComment(Twine("implicit-def: ") +
+                            getVirtualRegisterName(RegNo));
   } else {
-    OutStreamer.AddComment(Twine("implicit-def: ") +
-                           nvptxSubtarget->getRegisterInfo()->getName(RegNo));
+    OutStreamer->AddComment(Twine("implicit-def: ") +
+                            nvptxSubtarget->getRegisterInfo()->getName(RegNo));
   }
-  OutStreamer.AddBlankLine();
+  OutStreamer->AddBlankLine();
 }
 
 void NVPTXAsmPrinter::emitKernelFunctionDirectives(const Function &F,
@@ -776,9 +773,9 @@ void NVPTXAsmPrinter::recordAndEmitFilenames(Module &M) {
   DbgFinder.processModule(M);
 
   unsigned i = 1;
-  for (DICompileUnit DIUnit : DbgFinder.compile_units()) {
-    StringRef Filename(DIUnit.getFilename());
-    StringRef Dirname(DIUnit.getDirectory());
+  for (const MDCompileUnit *DIUnit : DbgFinder.compile_units()) {
+    StringRef Filename = DIUnit->getFilename();
+    StringRef Dirname = DIUnit->getDirectory();
     SmallString<128> FullPathName = Dirname;
     if (!Dirname.empty() && !sys::path::is_absolute(Filename)) {
       sys::path::append(FullPathName, Filename);
@@ -787,13 +784,13 @@ void NVPTXAsmPrinter::recordAndEmitFilenames(Module &M) {
     if (filenameMap.find(Filename) != filenameMap.end())
       continue;
     filenameMap[Filename] = i;
-    OutStreamer.EmitDwarfFileDirective(i, "", Filename);
+    OutStreamer->EmitDwarfFileDirective(i, "", Filename);
     ++i;
   }
 
-  for (DISubprogram SP : DbgFinder.subprograms()) {
-    StringRef Filename(SP.getFilename());
-    StringRef Dirname(SP.getDirectory());
+  for (MDSubprogram *SP : DbgFinder.subprograms()) {
+    StringRef Filename = SP->getFilename();
+    StringRef Dirname = SP->getDirectory();
     SmallString<128> FullPathName = Dirname;
     if (!Dirname.empty() && !sys::path::is_absolute(Filename)) {
       sys::path::append(FullPathName, Filename);
@@ -833,19 +830,19 @@ bool NVPTXAsmPrinter::doInitialization(Module &M) {
 
   // Emit header before any dwarf directives are emitted below.
   emitHeader(M, OS1, STI);
-  OutStreamer.EmitRawText(OS1.str());
+  OutStreamer->EmitRawText(OS1.str());
 
   // Already commented out
   //bool Result = AsmPrinter::doInitialization(M);
 
   // Emit module-level inline asm if it exists.
   if (!M.getModuleInlineAsm().empty()) {
-    OutStreamer.AddComment("Start of file scope inline assembly");
-    OutStreamer.AddBlankLine();
-    OutStreamer.EmitRawText(StringRef(M.getModuleInlineAsm()));
-    OutStreamer.AddBlankLine();
-    OutStreamer.AddComment("End of file scope inline assembly");
-    OutStreamer.AddBlankLine();
+    OutStreamer->AddComment("Start of file scope inline assembly");
+    OutStreamer->AddBlankLine();
+    OutStreamer->EmitRawText(StringRef(M.getModuleInlineAsm()));
+    OutStreamer->AddBlankLine();
+    OutStreamer->AddComment("End of file scope inline assembly");
+    OutStreamer->AddBlankLine();
   }
 
   // If we're not NVCL we're CUDA, go ahead and emit filenames.
@@ -887,7 +884,7 @@ void NVPTXAsmPrinter::emitGlobals(const Module &M) {
 
   OS2 << '\n';
 
-  OutStreamer.EmitRawText(OS2.str());
+  OutStreamer->EmitRawText(OS2.str());
 }
 
 void NVPTXAsmPrinter::emitHeader(Module &M, raw_ostream &O,
@@ -1182,7 +1179,7 @@ void NVPTXAsmPrinter::printModuleLevelGV(const GlobalVariable *GVar,
       if ((PTy->getAddressSpace() == llvm::ADDRESS_SPACE_GLOBAL) ||
           (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST)) {
         const Constant *Initializer = GVar->getInitializer();
-        // 'undef' is treated as there is no value spefied.
+        // 'undef' is treated as there is no value specified.
         if (!Initializer->isNullValue() && !isa<UndefValue>(Initializer)) {
           O << " = ";
           printScalarConstant(Initializer, O);
@@ -1669,7 +1666,7 @@ void NVPTXAsmPrinter::setAndEmitFunctionVirtualRegisters(
     }
   }
 
-  OutStreamer.EmitRawText(O.str());
+  OutStreamer->EmitRawText(O.str());
 }
 
 void NVPTXAsmPrinter::printFPConstant(const ConstantFP *Fp, raw_ostream &O) {
@@ -1768,12 +1765,11 @@ void NVPTXAsmPrinter::bufferLEByte(const Constant *CPV, int Bytes,
   case Type::IntegerTyID: {
     const Type *ETy = CPV->getType();
     if (ETy == Type::getInt8Ty(CPV->getContext())) {
-      unsigned char c =
-          (unsigned char)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
+      unsigned char c = (unsigned char)cast<ConstantInt>(CPV)->getZExtValue();
       ptr = &c;
       aggBuffer->addBytes(ptr, 1, Bytes);
     } else if (ETy == Type::getInt16Ty(CPV->getContext())) {
-      short int16 = (short)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
+      short int16 = (short)cast<ConstantInt>(CPV)->getZExtValue();
       ptr = (unsigned char *)&int16;
       aggBuffer->addBytes(ptr, 2, Bytes);
     } else if (ETy == Type::getInt32Ty(CPV->getContext())) {
@@ -1792,7 +1788,7 @@ void NVPTXAsmPrinter::bufferLEByte(const Constant *CPV, int Bytes,
         }
         if (Cexpr->getOpcode() == Instruction::PtrToInt) {
           Value *v = Cexpr->getOperand(0)->stripPointerCasts();
-          aggBuffer->addSymbol(v);
+          aggBuffer->addSymbol(v, Cexpr->getOperand(0));
           aggBuffer->addZeros(4);
           break;
         }
@@ -1814,7 +1810,7 @@ void NVPTXAsmPrinter::bufferLEByte(const Constant *CPV, int Bytes,
         }
         if (Cexpr->getOpcode() == Instruction::PtrToInt) {
           Value *v = Cexpr->getOperand(0)->stripPointerCasts();
-          aggBuffer->addSymbol(v);
+          aggBuffer->addSymbol(v, Cexpr->getOperand(0));
           aggBuffer->addZeros(8);
           break;
         }
@@ -1843,10 +1839,10 @@ void NVPTXAsmPrinter::bufferLEByte(const Constant *CPV, int Bytes,
   }
   case Type::PointerTyID: {
     if (const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
-      aggBuffer->addSymbol(GVar);
+      aggBuffer->addSymbol(GVar, GVar);
     } else if (const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
       const Value *v = Cexpr->stripPointerCasts();
-      aggBuffer->addSymbol(v);
+      aggBuffer->addSymbol(v, Cexpr);
     }
     unsigned int s = TD->getTypeAllocSize(CPV->getType());
     aggBuffer->addZeros(s);
@@ -2091,7 +2087,7 @@ void NVPTXAsmPrinter::emitSrcInText(StringRef filename, unsigned line) {
   temp << " ";
   temp << reader->readLine(line);
   temp << "\n";
-  this->OutStreamer.EmitRawText(temp.str());
+  this->OutStreamer->EmitRawText(temp.str());
 }
 
 LineReader *NVPTXAsmPrinter::getReader(std::string filename) {
C/C++ LLVM-based compilers that forbids OOTA behaviors