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Move function codegen data from IrFunction to new FuncGen. This change reduces memory consumption significantly by releasing the memory held by the STL containers that are now inside FuncGen.
author Christian Kamm <kamm incasoftware de>
date Sat, 20 Jun 2009 19:11:44 +0200
parents 3f5ea912149d
children
comparison
equal deleted inserted replaced
1503:cc5fee7836dc 1508:e1e93343fc11
91 91
92 ////////////////////////////////////////////////////////////////////////////// 92 //////////////////////////////////////////////////////////////////////////////
93 ////////////////////////////////////////////////////////////////////////////// 93 //////////////////////////////////////////////////////////////////////////////
94 ////////////////////////////////////////////////////////////////////////////// 94 //////////////////////////////////////////////////////////////////////////////
95 95
96 FuncGen::FuncGen()
97 {
98 landingPad = NULL;
99 nextUnique.push(0);
100 }
101
102 std::string FuncGen::getScopedLabelName(const char* ident)
103 {
104 if(labelScopes.empty())
105 return std::string(ident);
106
107 std::string result = "__";
108 for(unsigned int i = 0; i < labelScopes.size(); ++i)
109 result += labelScopes[i] + "_";
110 return result + ident;
111 }
112
113 void FuncGen::pushUniqueLabelScope(const char* name)
114 {
115 std::ostringstream uniquename;
116 uniquename << name << nextUnique.top()++;
117 nextUnique.push(0);
118 labelScopes.push_back(uniquename.str());
119 }
120
121 void FuncGen::popLabelScope()
122 {
123 labelScopes.pop_back();
124 nextUnique.pop();
125 }
126
96 IrFunction::IrFunction(FuncDeclaration* fd) 127 IrFunction::IrFunction(FuncDeclaration* fd)
97 { 128 {
98 decl = fd; 129 decl = fd;
99 130
100 Type* t = fd->type->toBasetype(); 131 Type* t = fd->type->toBasetype();
114 frameType = NULL; 145 frameType = NULL;
115 depth = -1; 146 depth = -1;
116 147
117 _arguments = NULL; 148 _arguments = NULL;
118 _argptr = NULL; 149 _argptr = NULL;
119
120 landingPad = NULL;
121
122 nextUnique.push(0);
123 }
124
125 std::string IrFunction::getScopedLabelName(const char* ident)
126 {
127 if(labelScopes.empty())
128 return std::string(ident);
129
130 std::string result = "__";
131 for(unsigned int i = 0; i < labelScopes.size(); ++i)
132 result += labelScopes[i] + "_";
133 return result + ident;
134 }
135
136 void IrFunction::pushUniqueLabelScope(const char* name)
137 {
138 std::ostringstream uniquename;
139 uniquename << name << nextUnique.top()++;
140 nextUnique.push(0);
141 labelScopes.push_back(uniquename.str());
142 }
143
144 void IrFunction::popLabelScope()
145 {
146 labelScopes.pop_back();
147 nextUnique.pop();
148 } 150 }
149 151
150 void IrFunction::setNeverInline() 152 void IrFunction::setNeverInline()
151 { 153 {
152 assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time"); 154 assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time");