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Simplify. NFC. 

llvm-svn: 299506
This commit is contained in:
Rui Ueyama 2017-04-05 03:21:01 +00:00
parent 8f99f73c8f
commit c8124ee9a3
1 changed files with 7 additions and 10 deletions
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17
lld/ELF/LinkerScript.cpp
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@ -423,17 +423,14 @@ void LinkerScript::processCommands(OutputSectionFactory &Factory) {
CurOutSec = Aether;
Dot = 0;
for (unsigned I = 0; I < Opt.Commands.size(); ++I) {
auto Iter = Opt.Commands.begin() + I;
BaseCommand *Base1 = *Iter;
for (auto It = Opt.Commands.begin(); It != Opt.Commands.end(); ++It) {
// Handle symbol assignments outside of any output section.
if (auto *Cmd = dyn_cast<SymbolAssignment>(Base1)) {
if (auto *Cmd = dyn_cast<SymbolAssignment>(*It)) {
addSymbol(Cmd);
continue;
}
if (auto *Cmd = dyn_cast<OutputSectionCommand>(Base1)) {
if (auto *Cmd = dyn_cast<OutputSectionCommand>(*It)) {
std::vector<InputSectionBase *> V = createInputSectionList(*Cmd);
// The output section name `/DISCARD/' is special.
@ -446,15 +443,15 @@ void LinkerScript::processCommands(OutputSectionFactory &Factory) {
// This is for ONLY_IF_RO and ONLY_IF_RW. An output section directive
// ".foo : ONLY_IF_R[OW] { ... }" is handled only if all member input
// sections satisfy a given constraint. If not, a directive is handled
// as if it wasn't present from the beginning.
// as if it weren't present from the beginning.
//
// Because we'll iterate over Commands many more times, the easiest
// way to "make it as if it wasn't present" is to just remove it.
// way to "make it as if it weren't present" is to just remove it.
if (!matchConstraints(V, Cmd->Constraint)) {
for (InputSectionBase *S : V)
S->Assigned = false;
Opt.Commands.erase(Iter);
--I;
--It;
Opt.Commands.erase(It + 1);
continue;
}