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Use a raw_svector_ostream instead of a raw_string_ostream. 

It saves a bit of copying.

llvm-svn: 234507
This commit is contained in:
Rafael Espindola 2015-04-09 17:16:25 +00:00
parent df7305a438
commit f546d0f9c5
1 changed files with 8 additions and 6 deletions
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14
llvm/lib/Target/TargetMachineC.cpp
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@ -183,7 +183,9 @@ void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T,
}
static LLVMBool LLVMTargetMachineEmit(LLVMTargetMachineRef T, LLVMModuleRef M,
formatted_raw_ostream &OS, LLVMCodeGenFileType codegen, char **ErrorMessage) {
formatted_raw_ostream &OS,
LLVMCodeGenFileType codegen,
char **ErrorMessage) {
TargetMachine* TM = unwrap(T);
Module* Mod = unwrap(M);
@ -238,15 +240,15 @@ LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T,
LLVMModuleRef M, LLVMCodeGenFileType codegen, char** ErrorMessage,
LLVMMemoryBufferRef *OutMemBuf) {
std::string CodeString;
raw_string_ostream OStream(CodeString);
SmallString<0> CodeString;
raw_svector_ostream OStream(CodeString);
formatted_raw_ostream Out(OStream);
bool Result = LLVMTargetMachineEmit(T, M, Out, codegen, ErrorMessage);
OStream.flush();
std::string &Data = OStream.str();
*OutMemBuf = LLVMCreateMemoryBufferWithMemoryRangeCopy(Data.c_str(),
Data.length(), "");
StringRef Data = OStream.str();
*OutMemBuf =
LLVMCreateMemoryBufferWithMemoryRangeCopy(Data.data(), Data.size(), "");
return Result;
}