clang/lib/CIR/CodeGen/CIRGenBuilder.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_CLANG_LIB_CIR_CODEGEN_CIRGENBUILDER_H
  10 #define LLVM_CLANG_LIB_CIR_CODEGEN_CIRGENBUILDER_H
  11
  12 #include "CIRGenTypeCache.h"
  13
  14 #include "clang/CIR/Dialect/Builder/CIRBaseBuilder.h"
  15
  16 namespace clang::CIRGen {
  17
  18 class CIRGenBuilderTy : public cir::CIRBaseBuilderTy {
  19   const CIRGenTypeCache &typeCache;
  20
  21 public:
  22   CIRGenBuilderTy(mlir::MLIRContext &mlirContext, const CIRGenTypeCache &tc)
  23       : CIRBaseBuilderTy(mlirContext), typeCache(tc) {}
  24
  25   cir::LongDoubleType getLongDoubleTy(const llvm::fltSemantics &format) const {
  26     if (&format == &llvm::APFloat::IEEEdouble())
  27       return cir::LongDoubleType::get(getContext(), typeCache.DoubleTy);
  28     if (&format == &llvm::APFloat::x87DoubleExtended())
  29       return cir::LongDoubleType::get(getContext(), typeCache.FP80Ty);
  30     if (&format == &llvm::APFloat::IEEEquad())
  31       return cir::LongDoubleType::get(getContext(), typeCache.FP128Ty);
  32     if (&format == &llvm::APFloat::PPCDoubleDouble())
  33       llvm_unreachable("NYI: PPC double-double format for long double");
  34     llvm_unreachable("Unsupported format for long double");
  35   }
  36 };
  37
  38 } // namespace clang::CIRGen
  39
  40 #endif