1 //===- subzero/src/IceTypeConverter.cpp - Convert ICE/LLVM Types ----------===//
2 //
3 // The Subzero Code Generator
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 ///
10 /// \file
11 /// \brief Implements how to convert LLVM types to ICE types, and ICE types to
12 /// LLVM types.
13 ///
14 //===----------------------------------------------------------------------===//
15
16 #include "IceTypeConverter.h"
17
18 #include "llvm/Support/raw_ostream.h"
19
20 namespace Ice {
21
TypeConverter(llvm::LLVMContext & Context)22 TypeConverter::TypeConverter(llvm::LLVMContext &Context) {
23 addLLVMType(IceType_void, llvm::Type::getVoidTy(Context));
24 llvm::Type *Type_i1 = llvm::IntegerType::get(Context, 1);
25 llvm::Type *Type_i8 = llvm::IntegerType::get(Context, 8);
26 llvm::Type *Type_i16 = llvm::IntegerType::get(Context, 16);
27 llvm::Type *Type_i32 = llvm::IntegerType::get(Context, 32);
28 llvm::Type *Type_f32 = llvm::Type::getFloatTy(Context);
29 addLLVMType(IceType_i1, Type_i1);
30 addLLVMType(IceType_i8, Type_i8);
31 addLLVMType(IceType_i16, Type_i16);
32 addLLVMType(IceType_i32, Type_i32);
33 addLLVMType(IceType_i64, llvm::IntegerType::get(Context, 64));
34 addLLVMType(IceType_f32, Type_f32);
35 addLLVMType(IceType_f64, llvm::Type::getDoubleTy(Context));
36 addLLVMType(IceType_v4i1, llvm::VectorType::get(Type_i1, 4));
37 addLLVMType(IceType_v8i1, llvm::VectorType::get(Type_i1, 8));
38 addLLVMType(IceType_v16i1, llvm::VectorType::get(Type_i1, 16));
39 addLLVMType(IceType_v16i8, llvm::VectorType::get(Type_i8, 16));
40 addLLVMType(IceType_v8i16, llvm::VectorType::get(Type_i16, 8));
41 addLLVMType(IceType_v4i32, llvm::VectorType::get(Type_i32, 4));
42 addLLVMType(IceType_v4f32, llvm::VectorType::get(Type_f32, 4));
43 assert(LLVM2IceMap.size() == static_cast<size_t>(IceType_NUM));
44 }
45
addLLVMType(Type Ty,llvm::Type * LLVMTy)46 void TypeConverter::addLLVMType(Type Ty, llvm::Type *LLVMTy) {
47 LLVM2IceMap[LLVMTy] = Ty;
48 }
49
convertToIceTypeOther(llvm::Type * LLVMTy) const50 Type TypeConverter::convertToIceTypeOther(llvm::Type *LLVMTy) const {
51 switch (LLVMTy->getTypeID()) {
52 case llvm::Type::PointerTyID:
53 case llvm::Type::FunctionTyID:
54 return getPointerType();
55 default:
56 return Ice::IceType_NUM;
57 }
58 }
59
60 } // end of Ice namespace.
61