More malloc elimination: it's a bad idea to use raw_svector_ostream on a

small heap-allocated SmallString because it unconditionally forces a malloc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-04-18 05:38:58 +00:00
parent f4387d9afb
commit 24b9654f12

View File

@ -191,8 +191,10 @@ void MCObjectStreamer::EmitInstruction(const MCInst &Inst) {
void MCObjectStreamer::EmitInstToFragment(const MCInst &Inst) {
MCInstFragment *IF = new MCInstFragment(Inst, getCurrentSectionData());
raw_svector_ostream VecOS(IF->getCode());
SmallString<128> Code;
raw_svector_ostream VecOS(Code);
getAssembler().getEmitter().EncodeInstruction(Inst, VecOS, IF->getFixups());
IF->getCode().append(Code.begin(), Code.end());
}
static const MCExpr *BuildSymbolDiff(MCContext &Context,