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MC: Eliminate an unnecessary copy.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104709 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2010-05-26 17:50:16 +00:00
parent 8488252855
commit dae5b9f804
1 changed files with 4 additions and 9 deletions
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13
lib/MC/MCMachOStreamer.cpp
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@ -434,11 +434,6 @@ void MCMachOStreamer::EmitInstruction(const MCInst &Inst) {
Assembler.getEmitter().EncodeInstruction(Inst, VecOS, Fixups);
VecOS.flush();
// FIXME: Eliminate this copy.
SmallVector<MCFixup, 4> AsmFixups;
for (unsigned i = 0, e = Fixups.size(); i != e; ++i)
AsmFixups.push_back(Fixups[i]);
// See if we might need to relax this instruction, if so it needs its own
// fragment.
//
@ -461,16 +456,16 @@ void MCMachOStreamer::EmitInstruction(const MCInst &Inst) {
// FIXME: Revisit this design decision when relaxation is done, we may be
// able to get away with not storing any extra data in the MCInst.
IF->getCode() = Code;
IF->getFixups() = AsmFixups;
IF->getFixups() = Fixups;
return;
}
// Add the fixups and data.
MCDataFragment *DF = getOrCreateDataFragment();
for (unsigned i = 0, e = AsmFixups.size(); i != e; ++i) {
AsmFixups[i].setOffset(AsmFixups[i].getOffset() + DF->getContents().size());
DF->addFixup(AsmFixups[i]);
for (unsigned i = 0, e = Fixups.size(); i != e; ++i) {
Fixups[i].setOffset(Fixups[i].getOffset() + DF->getContents().size());
DF->addFixup(Fixups[i]);
}
DF->getContents().append(Code.begin(), Code.end());
}