diff options
Diffstat (limited to 'lib/CodeGen/CGBuiltin.cpp')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 0f5e90f..706e441 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -387,6 +387,22 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *Result = getTargetHooks().encodeReturnAddress(*this, Address); return RValue::get(Result); } + case Builtin::BI__builtin_dwarf_sp_column: { + const llvm::IntegerType *Ty + = cast<llvm::IntegerType>(ConvertType(E->getType())); + int Column = getTargetHooks().getDwarfEHStackPointer(CGM); + if (Column == -1) { + CGM.ErrorUnsupported(E, "__builtin_dwarf_sp_column"); + return RValue::get(llvm::UndefValue::get(Ty)); + } + return RValue::get(llvm::ConstantInt::get(Ty, Column, true)); + } + case Builtin::BI__builtin_init_dwarf_reg_size_table: { + Value *Address = EmitScalarExpr(E->getArg(0)); + if (getTargetHooks().initDwarfEHRegSizeTable(*this, Address)) + CGM.ErrorUnsupported(E, "__builtin_init_dwarf_reg_size_table"); + return RValue::get(llvm::UndefValue::get(ConvertType(E->getType()))); + } case Builtin::BI__builtin_eh_return: { Value *Int = EmitScalarExpr(E->getArg(0)); Value *Ptr = EmitScalarExpr(E->getArg(1)); @@ -666,6 +682,23 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *F = CGM.getIntrinsic(Intrinsic::pow, &ArgType, 1); return RValue::get(Builder.CreateCall2(F, Base, Exponent, "tmp")); } + + case Builtin::BI__builtin_signbit: + case Builtin::BI__builtin_signbitf: + case Builtin::BI__builtin_signbitl: { + LLVMContext &C = CGM.getLLVMContext(); + + Value *Arg = EmitScalarExpr(E->getArg(0)); + const llvm::Type *ArgTy = Arg->getType(); + if (ArgTy->isPPC_FP128Ty()) + break; // FIXME: I'm not sure what the right implementation is here. + int ArgWidth = ArgTy->getPrimitiveSizeInBits(); + const llvm::Type *ArgIntTy = llvm::IntegerType::get(C, ArgWidth); + Value *BCArg = Builder.CreateBitCast(Arg, ArgIntTy); + Value *ZeroCmp = llvm::Constant::getNullValue(ArgIntTy); + Value *Result = Builder.CreateICmpSLT(BCArg, ZeroCmp); + return RValue::get(Builder.CreateZExt(Result, ConvertType(E->getType()))); + } } // If this is an alias for a libm function (e.g. __builtin_sin) turn it into @@ -735,6 +768,9 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { switch (Target.getTriple().getArch()) { + case llvm::Triple::arm: + case llvm::Triple::thumb: + return EmitARMBuiltinExpr(BuiltinID, E); case llvm::Triple::x86: case llvm::Triple::x86_64: return EmitX86BuiltinExpr(BuiltinID, E); @@ -746,6 +782,18 @@ Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID, } } +Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, + const CallExpr *E) { + switch (BuiltinID) { + default: return 0; + + case ARM::BI__builtin_thread_pointer: { + Value *AtomF = CGM.getIntrinsic(Intrinsic::arm_thread_pointer, 0, 0); + return Builder.CreateCall(AtomF); + } + } +} + Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E) { |
