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Side by Side Diff: src/IceTypeConverter.h

Issue 805943002: Remove TypeConverter and Module from minimal subzero build. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Add missing comment. Created 6 years ago
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1 //===- subzero/src/IceTypeConverter.h - Convert ICE/LLVM Types --*- C++ -*-===// 1 //===- subzero/src/IceTypeConverter.h - Convert ICE/LLVM Types --*- C++ -*-===//
2 // 2 //
3 // The Subzero Code Generator 3 // The Subzero Code Generator
4 // 4 //
5 // This file is distributed under the University of Illinois Open Source 5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details. 6 // License. See LICENSE.TXT for details.
7 // 7 //
8 //===----------------------------------------------------------------------===// 8 //===----------------------------------------------------------------------===//
9 // 9 //
10 // This file defines how to convert LLVM types to ICE types, and ICE types 10 // This file defines how to convert LLVM types to ICE types, and ICE types
(...skipping 17 matching lines...) Expand all
28 28
29 /// Converts LLVM types to ICE types, and ICE types to LLVM types. 29 /// Converts LLVM types to ICE types, and ICE types to LLVM types.
30 class TypeConverter { 30 class TypeConverter {
31 TypeConverter(const TypeConverter &) = delete; 31 TypeConverter(const TypeConverter &) = delete;
32 TypeConverter &operator=(const TypeConverter &) = delete; 32 TypeConverter &operator=(const TypeConverter &) = delete;
33 33
34 public: 34 public:
35 /// Context is the context to use to build llvm types. 35 /// Context is the context to use to build llvm types.
36 TypeConverter(llvm::LLVMContext &Context); 36 TypeConverter(llvm::LLVMContext &Context);
37 37
38 /// Returns the LLVM type for the corresponding ICE type Ty.
39 llvm::Type *convertToLLVMType(Type Ty) const {
40 // Note: We use "at" here in case Ty wasn't registered.
41 return LLVMTypes.at(Ty);
42 }
43
44 /// Converts LLVM type LLVMTy to an ICE type. Returns 38 /// Converts LLVM type LLVMTy to an ICE type. Returns
45 /// Ice::IceType_NUM if unable to convert. 39 /// Ice::IceType_NUM if unable to convert.
46 Type convertToIceType(llvm::Type *LLVMTy) const { 40 Type convertToIceType(llvm::Type *LLVMTy) const {
47 auto Pos = LLVM2IceMap.find(LLVMTy); 41 auto Pos = LLVM2IceMap.find(LLVMTy);
48 if (Pos == LLVM2IceMap.end()) 42 if (Pos == LLVM2IceMap.end())
49 return convertToIceTypeOther(LLVMTy); 43 return convertToIceTypeOther(LLVMTy);
50 return Pos->second; 44 return Pos->second;
51 } 45 }
52 46
53 /// Returns ICE model of pointer type.
54 Type getIcePointerType() const { return IceType_i32; }
55
56 private: 47 private:
57 // The list of allowable LLVM types. Indexed by ICE type. 48 // The mapping from LLVM types to corresopnding Ice types.
58 std::vector<llvm::Type *> LLVMTypes;
59 // The inverse mapping of LLVMTypes.
60 std::map<llvm::Type *, Type> LLVM2IceMap; 49 std::map<llvm::Type *, Type> LLVM2IceMap;
61 50
62 // Add LLVM/ICE pair to internal tables. 51 // Add LLVM/ICE pair to internal tables.
63 void addLLVMType(Type Ty, llvm::Type *LLVMTy); 52 void addLLVMType(Type Ty, llvm::Type *LLVMTy);
64 53
65 // Converts types not in LLVM2IceMap. 54 // Converts types not in LLVM2IceMap.
66 Type convertToIceTypeOther(llvm::Type *LLVMTy) const; 55 Type convertToIceTypeOther(llvm::Type *LLVMTy) const;
67 }; 56 };
68 57
69 } // end of Ice namespace. 58 } // end of Ice namespace.
70 59
71 #endif // SUBZERO_SRC_ICETYPECONVERTER_H 60 #endif // SUBZERO_SRC_ICETYPECONVERTER_H
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