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Side by Side Diff: src/IceGlobalContext.h

Issue 455633002: Subzero: Add the "llvm2ice -ffunction-sections" argument. (Closed) Base URL: https://gerrit.chromium.org/gerrit/p/native_client/pnacl-subzero.git@master
Patch Set: Rebase Created 6 years, 4 months ago
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1 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===// 1 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- 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 declares aspects of the compilation that persist across 10 // This file declares aspects of the compilation that persist across
11 // multiple functions. 11 // multiple functions.
12 // 12 //
13 //===----------------------------------------------------------------------===// 13 //===----------------------------------------------------------------------===//
14 14
15 #ifndef SUBZERO_SRC_ICEGLOBALCONTEXT_H 15 #ifndef SUBZERO_SRC_ICEGLOBALCONTEXT_H
16 #define SUBZERO_SRC_ICEGLOBALCONTEXT_H 16 #define SUBZERO_SRC_ICEGLOBALCONTEXT_H
17 17
18 #include "llvm/ADT/OwningPtr.h" 18 #include "llvm/ADT/OwningPtr.h"
19 #include "llvm/Support/Allocator.h" 19 #include "llvm/Support/Allocator.h"
20 #include "llvm/Support/raw_ostream.h" 20 #include "llvm/Support/raw_ostream.h"
21 21
22 #include "IceDefs.h" 22 #include "IceDefs.h"
23 #include "IceIntrinsics.h" 23 #include "IceIntrinsics.h"
24 #include "IceTypes.h" 24 #include "IceTypes.h"
25 25
26 namespace Ice { 26 namespace Ice {
27 27
28 class ClFlags;
29
28 // TODO: Accesses to all non-const fields of GlobalContext need to 30 // TODO: Accesses to all non-const fields of GlobalContext need to
29 // be synchronized, especially the constant pool, the allocator, and 31 // be synchronized, especially the constant pool, the allocator, and
30 // the output streams. 32 // the output streams.
31 class GlobalContext { 33 class GlobalContext {
32 public: 34 public:
33 GlobalContext(llvm::raw_ostream *OsDump, llvm::raw_ostream *OsEmit, 35 GlobalContext(llvm::raw_ostream *OsDump, llvm::raw_ostream *OsEmit,
34 VerboseMask Mask, TargetArch Arch, OptLevel Opt, 36 VerboseMask Mask, TargetArch Arch, OptLevel Opt,
35 IceString TestPrefix); 37 IceString TestPrefix, const ClFlags &Flags);
36 ~GlobalContext(); 38 ~GlobalContext();
37 39
38 // Returns true if any of the specified options in the verbose mask 40 // Returns true if any of the specified options in the verbose mask
39 // are set. If the argument is omitted, it checks if any verbose 41 // are set. If the argument is omitted, it checks if any verbose
40 // options at all are set. IceV_Timing is treated specially, so 42 // options at all are set. IceV_Timing is treated specially, so
41 // that running with just IceV_Timing verbosity doesn't trigger an 43 // that running with just IceV_Timing verbosity doesn't trigger an
42 // avalanche of extra output. 44 // avalanche of extra output.
43 bool isVerbose(VerboseMask Mask = (IceV_All & ~IceV_Timing)) const { 45 bool isVerbose(VerboseMask Mask = (IceV_All & ~IceV_Timing)) const {
44 return VMask & Mask; 46 return VMask & Mask;
45 } 47 }
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
79 Constant *getConstantSym(Type Ty, int64_t Offset, const IceString &Name = "", 81 Constant *getConstantSym(Type Ty, int64_t Offset, const IceString &Name = "",
80 bool SuppressMangling = false); 82 bool SuppressMangling = false);
81 // Returns an undef. 83 // Returns an undef.
82 Constant *getConstantUndef(Type Ty); 84 Constant *getConstantUndef(Type Ty);
83 // Returns a zero value. 85 // Returns a zero value.
84 Constant *getConstantZero(Type Ty); 86 Constant *getConstantZero(Type Ty);
85 // getConstantPool() returns a copy of the constant pool for 87 // getConstantPool() returns a copy of the constant pool for
86 // constants of a given type. 88 // constants of a given type.
87 ConstantList getConstantPool(Type Ty) const; 89 ConstantList getConstantPool(Type Ty) const;
88 90
91 const ClFlags &getFlags() const { return Flags; }
92
89 // Allocate data of type T using the global allocator. 93 // Allocate data of type T using the global allocator.
90 template <typename T> T *allocate() { return Allocator.Allocate<T>(); } 94 template <typename T> T *allocate() { return Allocator.Allocate<T>(); }
91 95
92 const Intrinsics &getIntrinsicsInfo() const { return IntrinsicsInfo; } 96 const Intrinsics &getIntrinsicsInfo() const { return IntrinsicsInfo; }
93 97
94 private: 98 private:
95 Ostream *StrDump; // Stream for dumping / diagnostics 99 Ostream *StrDump; // Stream for dumping / diagnostics
96 Ostream *StrEmit; // Stream for code emission 100 Ostream *StrEmit; // Stream for code emission
97 101
98 llvm::BumpPtrAllocator Allocator; 102 llvm::BumpPtrAllocator Allocator;
99 VerboseMask VMask; 103 VerboseMask VMask;
100 llvm::OwningPtr<class ConstantPool> ConstPool; 104 llvm::OwningPtr<class ConstantPool> ConstPool;
101 Intrinsics IntrinsicsInfo; 105 Intrinsics IntrinsicsInfo;
102 const TargetArch Arch; 106 const TargetArch Arch;
103 const OptLevel Opt; 107 const OptLevel Opt;
104 const IceString TestPrefix; 108 const IceString TestPrefix;
109 const ClFlags &Flags;
105 bool HasEmittedFirstMethod; 110 bool HasEmittedFirstMethod;
106 GlobalContext(const GlobalContext &) LLVM_DELETED_FUNCTION; 111 GlobalContext(const GlobalContext &) LLVM_DELETED_FUNCTION;
107 GlobalContext &operator=(const GlobalContext &) LLVM_DELETED_FUNCTION; 112 GlobalContext &operator=(const GlobalContext &) LLVM_DELETED_FUNCTION;
108 113
109 // Private helpers for mangleName() 114 // Private helpers for mangleName()
110 typedef llvm::SmallVector<char, 32> ManglerVector; 115 typedef llvm::SmallVector<char, 32> ManglerVector;
111 void incrementSubstitutions(ManglerVector &OldName) const; 116 void incrementSubstitutions(ManglerVector &OldName) const;
112 }; 117 };
113 118
114 } // end of namespace Ice 119 } // end of namespace Ice
115 120
116 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H 121 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H
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