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Try to cut down reallocations when building string literals.

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This commit is contained in:
Tomas Lindquist Olsen
2009-05-18 16:01:22 +02:00
parent 152db286c0
commit f733680251
1 changed files with 4 additions and 0 deletions
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4
gen/toir.cpp
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@@ -407,6 +407,7 @@ DValue* StringExp::toElem(IRState* p)
else if (cty->size() == 2) {
uint16_t* str = (uint16_t*)string;
std::vector<LLConstant*> vals;
vals.reserve(len+1);
for(size_t i=0; i<len; ++i) {
vals.push_back(llvm::ConstantInt::get(ct, str[i], false));;
}
@@ -416,6 +417,7 @@ DValue* StringExp::toElem(IRState* p)
else if (cty->size() == 4) {
uint32_t* str = (uint32_t*)string;
std::vector<LLConstant*> vals;
vals.reserve(len+1);
for(size_t i=0; i<len; ++i) {
vals.push_back(llvm::ConstantInt::get(ct, str[i], false));;
}
@@ -476,6 +478,7 @@ LLConstant* StringExp::toConstElem(IRState* p)
else if (cty->size() == 2) {
uint16_t* str = (uint16_t*)string;
std::vector<LLConstant*> vals;
vals.reserve(len+1);
for(size_t i=0; i<len; ++i) {
vals.push_back(llvm::ConstantInt::get(ct, str[i], false));;
}
@@ -486,6 +489,7 @@ LLConstant* StringExp::toConstElem(IRState* p)
else if (cty->size() == 4) {
uint32_t* str = (uint32_t*)string;
std::vector<LLConstant*> vals;
vals.reserve(len+1);
for(size_t i=0; i<len; ++i) {
vals.push_back(llvm::ConstantInt::get(ct, str[i], false));;
}