Remove the mblaze backend from clang.

Approval in here http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/064169.html

llvm-svn: 187143

1 files changed, 0 insertions, 113 deletions

diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 183aefe00cd..5934ff37193 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -4535,116 +4535,6 @@ ABIArgInfo SystemZABIInfo::classifyArgumentType(QualType Ty) const {
 }
 
 //===----------------------------------------------------------------------===//
-// MBlaze ABI Implementation
-//===----------------------------------------------------------------------===//
-
-namespace {
-
-class MBlazeABIInfo : public ABIInfo {
-public:
-  MBlazeABIInfo(CodeGenTypes &CGT) : ABIInfo(CGT) {}
-
-  bool isPromotableIntegerType(QualType Ty) const;
-
-  ABIArgInfo classifyReturnType(QualType RetTy) const;
-  ABIArgInfo classifyArgumentType(QualType RetTy) const;
-
-  virtual void computeInfo(CGFunctionInfo &FI) const {
-    FI.getReturnInfo() = classifyReturnType(FI.getReturnType());
-    for (CGFunctionInfo::arg_iterator it = FI.arg_begin(), ie = FI.arg_end();
-         it != ie; ++it)
-      it->info = classifyArgumentType(it->type);
-  }
-
-  virtual llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
-                                 CodeGenFunction &CGF) const;
-};
-
-class MBlazeTargetCodeGenInfo : public TargetCodeGenInfo {
-public:
-  MBlazeTargetCodeGenInfo(CodeGenTypes &CGT)
-    : TargetCodeGenInfo(new MBlazeABIInfo(CGT)) {}
-  void SetTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
-                           CodeGen::CodeGenModule &M) const;
-};
-
-}
-
-bool MBlazeABIInfo::isPromotableIntegerType(QualType Ty) const {
-  // MBlaze ABI requires all 8 and 16 bit quantities to be extended.
-  if (const BuiltinType *BT = Ty->getAs<BuiltinType>())
-    switch (BT->getKind()) {
-    case BuiltinType::Bool:
-    case BuiltinType::Char_S:
-    case BuiltinType::Char_U:
-    case BuiltinType::SChar:
-    case BuiltinType::UChar:
-    case BuiltinType::Short:
-    case BuiltinType::UShort:
-      return true;
-    default:
-      return false;
-    }
-  return false;
-}
-
-llvm::Value *MBlazeABIInfo::EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
-                                      CodeGenFunction &CGF) const {
-  // FIXME: Implement
-  return 0;
-}
-
-
-ABIArgInfo MBlazeABIInfo::classifyReturnType(QualType RetTy) const {
-  if (RetTy->isVoidType())
-    return ABIArgInfo::getIgnore();
-  if (isAggregateTypeForABI(RetTy))
-    return ABIArgInfo::getIndirect(0);
-
-  return (isPromotableIntegerType(RetTy) ?
-          ABIArgInfo::getExtend() : ABIArgInfo::getDirect());
-}
-
-ABIArgInfo MBlazeABIInfo::classifyArgumentType(QualType Ty) const {
-  if (isAggregateTypeForABI(Ty))
-    return ABIArgInfo::getIndirect(0);
-
-  return (isPromotableIntegerType(Ty) ?
-          ABIArgInfo::getExtend() : ABIArgInfo::getDirect());
-}
-
-void MBlazeTargetCodeGenInfo::SetTargetAttributes(const Decl *D,
-                                                  llvm::GlobalValue *GV,
-                                                  CodeGen::CodeGenModule &M)
-                                                  const {
-  const FunctionDecl *FD = dyn_cast<FunctionDecl>(D);
-  if (!FD) return;
-
-  llvm::CallingConv::ID CC = llvm::CallingConv::C;
-  if (FD->hasAttr<MBlazeInterruptHandlerAttr>())
-    CC = llvm::CallingConv::MBLAZE_INTR;
-  else if (FD->hasAttr<MBlazeSaveVolatilesAttr>())
-    CC = llvm::CallingConv::MBLAZE_SVOL;
-
-  if (CC != llvm::CallingConv::C) {
-      // Handle 'interrupt_handler' attribute:
-      llvm::Function *F = cast<llvm::Function>(GV);
-
-      // Step 1: Set ISR calling convention.
-      F->setCallingConv(CC);
-
-      // Step 2: Add attributes goodness.
-      F->addFnAttr(llvm::Attribute::NoInline);
-  }
-
-  // Step 3: Emit _interrupt_handler alias.
-  if (CC == llvm::CallingConv::MBLAZE_INTR)
-    new llvm::GlobalAlias(GV->getType(), llvm::Function::ExternalLinkage,
-                          "_interrupt_handler", GV, &M.getModule());
-}
-
-
-//===----------------------------------------------------------------------===//
 // MSP430 ABI Implementation
 //===----------------------------------------------------------------------===//
 
@@ -5531,9 +5421,6 @@ const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() {
   case llvm::Triple::nvptx64:
     return *(TheTargetCodeGenInfo = new NVPTXTargetCodeGenInfo(Types));
 
-  case llvm::Triple::mblaze:
-    return *(TheTargetCodeGenInfo = new MBlazeTargetCodeGenInfo(Types));
-
   case llvm::Triple::msp430:
     return *(TheTargetCodeGenInfo = new MSP430TargetCodeGenInfo(Types));