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1 //===- subzero/src/IceCfg.cpp - Control flow graph implementation ---------===// | 1 //===- subzero/src/IceCfg.cpp - Control flow graph implementation ---------===// |
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 /// \file | 10 /// \file |
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1020 // Emit the assembly directly so we don't need to hang on to all the names | 1020 // Emit the assembly directly so we don't need to hang on to all the names |
1021 for (const InstJumpTable *JumpTable : JumpTables) | 1021 for (const InstJumpTable *JumpTable : JumpTables) |
1022 getTarget()->emitJumpTable(this, JumpTable); | 1022 getTarget()->emitJumpTable(this, JumpTable); |
1023 } break; | 1023 } break; |
1024 } | 1024 } |
1025 } | 1025 } |
1026 | 1026 |
1027 void Cfg::emit() { | 1027 void Cfg::emit() { |
1028 if (!BuildDefs::dump()) | 1028 if (!BuildDefs::dump()) |
1029 return; | 1029 return; |
1030 TimerMarker T(TimerStack::TT_emit, this); | 1030 TimerMarker T(TimerStack::TT_emitAsm, this); |
1031 if (Ctx->getFlags().getDecorateAsm()) { | 1031 if (Ctx->getFlags().getDecorateAsm()) { |
1032 renumberInstructions(); | 1032 renumberInstructions(); |
1033 getVMetadata()->init(VMK_Uses); | 1033 getVMetadata()->init(VMK_Uses); |
1034 liveness(Liveness_Basic); | 1034 liveness(Liveness_Basic); |
1035 dump("After recomputing liveness for -decorate-asm"); | 1035 dump("After recomputing liveness for -decorate-asm"); |
1036 } | 1036 } |
1037 OstreamLocker L(Ctx); | 1037 OstreamLocker L(Ctx); |
1038 Ostream &Str = Ctx->getStrEmit(); | 1038 Ostream &Str = Ctx->getStrEmit(); |
1039 const Assembler *Asm = getAssembler<>(); | 1039 const Assembler *Asm = getAssembler<>(); |
1040 const bool NeedSandboxing = Ctx->getFlags().getUseSandboxing(); | 1040 const bool NeedSandboxing = Ctx->getFlags().getUseSandboxing(); |
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1054 Str << "\t" << Asm->getAlignDirective() << " " | 1054 Str << "\t" << Asm->getAlignDirective() << " " |
1055 << Asm->getBundleAlignLog2Bytes() << "\n"; | 1055 << Asm->getBundleAlignLog2Bytes() << "\n"; |
1056 } | 1056 } |
1057 Node->emit(this); | 1057 Node->emit(this); |
1058 } | 1058 } |
1059 emitJumpTables(); | 1059 emitJumpTables(); |
1060 Str << "\n"; | 1060 Str << "\n"; |
1061 } | 1061 } |
1062 | 1062 |
1063 void Cfg::emitIAS() { | 1063 void Cfg::emitIAS() { |
1064 TimerMarker T(TimerStack::TT_emit, this); | 1064 TimerMarker T(TimerStack::TT_emitAsm, this); |
1065 // The emitIAS() routines emit into the internal assembler buffer, so there's | 1065 // The emitIAS() routines emit into the internal assembler buffer, so there's |
1066 // no need to lock the streams. | 1066 // no need to lock the streams. |
1067 deleteJumpTableInsts(); | 1067 deleteJumpTableInsts(); |
1068 const bool NeedSandboxing = Ctx->getFlags().getUseSandboxing(); | 1068 const bool NeedSandboxing = Ctx->getFlags().getUseSandboxing(); |
1069 for (CfgNode *Node : Nodes) { | 1069 for (CfgNode *Node : Nodes) { |
1070 if (NeedSandboxing && Node->needsAlignment()) | 1070 if (NeedSandboxing && Node->needsAlignment()) |
1071 getAssembler()->alignCfgNode(); | 1071 getAssembler()->alignCfgNode(); |
1072 Node->emitIAS(this); | 1072 Node->emitIAS(this); |
1073 } | 1073 } |
1074 emitJumpTables(); | 1074 emitJumpTables(); |
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1143 } | 1143 } |
1144 } | 1144 } |
1145 // Print each basic block | 1145 // Print each basic block |
1146 for (CfgNode *Node : Nodes) | 1146 for (CfgNode *Node : Nodes) |
1147 Node->dump(this); | 1147 Node->dump(this); |
1148 if (isVerbose(IceV_Instructions)) | 1148 if (isVerbose(IceV_Instructions)) |
1149 Str << "}\n"; | 1149 Str << "}\n"; |
1150 } | 1150 } |
1151 | 1151 |
1152 } // end of namespace Ice | 1152 } // end of namespace Ice |
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