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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.cpp - Global context defs ---*- C++ -*-===// 1 //===- subzero/src/IceGlobalContext.cpp - 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 defines aspects of the compilation that persist across 10 // This file defines aspects of the compilation that persist across
11 // multiple functions. 11 // multiple functions.
12 // 12 //
13 //===----------------------------------------------------------------------===// 13 //===----------------------------------------------------------------------===//
14 14
15 #include <ctype.h> // isdigit(), isupper() 15 #include <ctype.h> // isdigit(), isupper()
16 #include <locale> // locale 16 #include <locale> // locale
17 17
18 #include "IceDefs.h" 18 #include "IceDefs.h"
19 #include "IceTypes.h" 19 #include "IceTypes.h"
20 #include "IceCfg.h" 20 #include "IceCfg.h"
21 #include "IceClFlags.h"
21 #include "IceGlobalContext.h" 22 #include "IceGlobalContext.h"
22 #include "IceOperand.h" 23 #include "IceOperand.h"
23 #include "IceTargetLowering.h" 24 #include "IceTargetLowering.h"
24 25
25 namespace Ice { 26 namespace Ice {
26 27
27 // TypePool maps constants of type KeyType (e.g. float) to pointers to 28 // TypePool maps constants of type KeyType (e.g. float) to pointers to
28 // type ValueType (e.g. ConstantFloat). KeyType values are compared 29 // type ValueType (e.g. ConstantFloat). KeyType values are compared
29 // using memcmp() because of potential NaN values in KeyType values. 30 // using memcmp() because of potential NaN values in KeyType values.
30 // KeyTypeHasFP indicates whether KeyType is a floating-point type 31 // KeyTypeHasFP indicates whether KeyType is a floating-point type
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109 TypePool<float, ConstantFloat, true> Floats; 110 TypePool<float, ConstantFloat, true> Floats;
110 TypePool<double, ConstantDouble, true> Doubles; 111 TypePool<double, ConstantDouble, true> Doubles;
111 TypePool<uint64_t, ConstantInteger> Integers; 112 TypePool<uint64_t, ConstantInteger> Integers;
112 TypePool<RelocatableTuple, ConstantRelocatable> Relocatables; 113 TypePool<RelocatableTuple, ConstantRelocatable> Relocatables;
113 UndefPool Undefs; 114 UndefPool Undefs;
114 }; 115 };
115 116
116 GlobalContext::GlobalContext(llvm::raw_ostream *OsDump, 117 GlobalContext::GlobalContext(llvm::raw_ostream *OsDump,
117 llvm::raw_ostream *OsEmit, VerboseMask Mask, 118 llvm::raw_ostream *OsEmit, VerboseMask Mask,
118 TargetArch Arch, OptLevel Opt, 119 TargetArch Arch, OptLevel Opt,
119 IceString TestPrefix) 120 IceString TestPrefix, const ClFlags &Flags)
120 : StrDump(OsDump), StrEmit(OsEmit), VMask(Mask), 121 : StrDump(OsDump), StrEmit(OsEmit), VMask(Mask),
121 ConstPool(new ConstantPool()), Arch(Arch), Opt(Opt), 122 ConstPool(new ConstantPool()), Arch(Arch), Opt(Opt),
122 TestPrefix(TestPrefix), HasEmittedFirstMethod(false) {} 123 TestPrefix(TestPrefix), Flags(Flags), HasEmittedFirstMethod(false) {}
123 124
124 // Scan a string for S[0-9A-Z]*_ patterns and replace them with 125 // Scan a string for S[0-9A-Z]*_ patterns and replace them with
125 // S<num>_ where <num> is the next base-36 value. If a type name 126 // S<num>_ where <num> is the next base-36 value. If a type name
126 // legitimately contains that pattern, then the substitution will be 127 // legitimately contains that pattern, then the substitution will be
127 // made in error and most likely the link will fail. In this case, 128 // made in error and most likely the link will fail. In this case,
128 // the test classes can be rewritten not to use that pattern, which is 129 // the test classes can be rewritten not to use that pattern, which is
129 // much simpler and more reliable than implementing a full demangling 130 // much simpler and more reliable than implementing a full demangling
130 // parser. Another substitution-in-error may occur if a type 131 // parser. Another substitution-in-error may occur if a type
131 // identifier ends with the pattern S[0-9A-Z]*, because an immediately 132 // identifier ends with the pattern S[0-9A-Z]*, because an immediately
132 // following substitution string like "S1_" or "PS1_" may be combined 133 // following substitution string like "S1_" or "PS1_" may be combined
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374 375
375 void Timer::printElapsedUs(GlobalContext *Ctx, const IceString &Tag) const { 376 void Timer::printElapsedUs(GlobalContext *Ctx, const IceString &Tag) const {
376 if (Ctx->isVerbose(IceV_Timing)) { 377 if (Ctx->isVerbose(IceV_Timing)) {
377 // Prefixing with '#' allows timing strings to be included 378 // Prefixing with '#' allows timing strings to be included
378 // without error in textual assembly output. 379 // without error in textual assembly output.
379 Ctx->getStrDump() << "# " << getElapsedUs() << " usec " << Tag << "\n"; 380 Ctx->getStrDump() << "# " << getElapsedUs() << " usec " << Tag << "\n";
380 } 381 }
381 } 382 }
382 383
383 } // end of namespace Ice 384 } // end of namespace Ice
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