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annotate ir/irfunction.cpp @ 1024:9167d492cbc2

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Abstracted more (most) ABI details out of the normal codegen.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 03 Mar 2009 02:51:21 +0100
parents 1714836f2c0b
children 45af482e3832
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rev   line source
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d59c363fccad [svn r330] Implemented synchronized statements.
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1
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2 #include "gen/llvm.h"
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3 #include "gen/tollvm.h"
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4 #include "gen/abi.h"
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5 #include "ir/irfunction.h"
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6
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7 #include <sstream>
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8
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9 //////////////////////////////////////////////////////////////////////////////
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10 //////////////////////////////////////////////////////////////////////////////
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11 //////////////////////////////////////////////////////////////////////////////
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12
1024
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13 IrFuncTyArg::IrFuncTyArg(Type* t, bool bref, unsigned a)
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14 {
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15 type = t;
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16 ltype = bref ? DtoType(t->pointerTo()) : DtoType(t);
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17 attrs = a;
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18 byref = bref;
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19 rewrite = NULL;
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20 }
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21
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22 //////////////////////////////////////////////////////////////////////////////
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23 //////////////////////////////////////////////////////////////////////////////
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24 //////////////////////////////////////////////////////////////////////////////
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25
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26 llvm::Value* IrFuncTy::putRet(Type* dty, llvm::Value* val)
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27 {
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28 assert(!arg_sret);
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29 if (ret->rewrite)
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30 return ret->rewrite->put(dty, val);
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31 return val;
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32 }
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33
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34 llvm::Value* IrFuncTy::getRet(Type* dty, llvm::Value* val)
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35 {
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36 assert(!arg_sret);
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37 if (ret->rewrite)
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38 return ret->rewrite->get(dty, val);
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39 return val;
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40 }
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41
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42 llvm::Value* IrFuncTy::putParam(Type* dty, int idx, llvm::Value* val)
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43 {
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44 assert(idx >= 0 && idx < args.size() && "invalid putParam");
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45 if (args[idx]->rewrite)
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46 return args[idx]->rewrite->put(dty, val);
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47 return val;
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48 }
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49
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50 llvm::Value* IrFuncTy::getParam(Type* dty, int idx, llvm::Value* val)
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51 {
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52 assert(idx >= 0 && idx < args.size() && "invalid getParam");
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53 if (args[idx]->rewrite)
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54 return args[idx]->rewrite->get(dty, val);
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55 return val;
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56 }
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57
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58 //////////////////////////////////////////////////////////////////////////////
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59 //////////////////////////////////////////////////////////////////////////////
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60 //////////////////////////////////////////////////////////////////////////////
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61
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62 IrFunction::IrFunction(FuncDeclaration* fd)
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63 {
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64 decl = fd;
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65
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66 Type* t = fd->type->toBasetype();
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67 assert(t->ty == Tfunction);
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68 type = (TypeFunction*)t;
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69 func = NULL;
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70 allocapoint = NULL;
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71
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72 queued = false;
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73 defined = false;
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74
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75 retArg = NULL;
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76 thisArg = NULL;
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77 nestArg = NULL;
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78
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79 nestedVar = NULL;
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80
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81 _arguments = NULL;
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82 _argptr = NULL;
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83
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84 nextUnique.push(0);
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85 }
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86
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87 std::string IrFunction::getScopedLabelName(const char* ident)
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88 {
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89 if(labelScopes.empty())
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90 return std::string(ident);
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91
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92 std::string result = "__";
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93 for(unsigned int i = 0; i < labelScopes.size(); ++i)
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94 result += labelScopes[i] + "_";
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95 return result + ident;
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96 }
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97
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98 void IrFunction::pushUniqueLabelScope(const char* name)
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99 {
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100 std::ostringstream uniquename;
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101 uniquename << name << nextUnique.top()++;
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102 nextUnique.push(0);
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103 labelScopes.push_back(uniquename.str());
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104 }
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105
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106 void IrFunction::popLabelScope()
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107 {
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108 labelScopes.pop_back();
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109 nextUnique.pop();
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110 }
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112 void IrFunction::setNeverInline()
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113 {
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114 assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time");
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115 func->addFnAttr(llvm::Attribute::NoInline);
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116 }
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117
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118 void IrFunction::setAlwaysInline()
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119 {
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120 assert(!func->hasFnAttr(llvm::Attribute::NoInline) && "function can't be never- and always-inline at the same time");
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121 func->addFnAttr(llvm::Attribute::AlwaysInline);
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122 }