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[ELF] - Replace parallelForEach with ranged form.

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Makes code a bit more convinent to write/read.

Differential revision: https://reviews.llvm.org/D36089

llvm-svn: 310040
This commit is contained in:
George Rimar 2017-08-04 08:30:16 +00:00
parent 6ea444e671
commit a9b071482d
3 changed files with 12 additions and 14 deletions
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17
lld/ELF/SyntheticSections.cpp
View File

@ -2218,15 +2218,14 @@ size_t MergeSyntheticSection::getSize() const { return Builder.getSize(); }
void elf::decompressAndMergeSections() {
// splitIntoPieces needs to be called on each MergeInputSection before calling
// finalizeContents(). Do that first.
parallelForEach(InputSections.begin(), InputSections.end(),
[](InputSectionBase *S) {
if (!S->Live)
return;
if (Decompressor::isCompressedELFSection(S->Flags, S->Name))
S->uncompress();
if (auto *MS = dyn_cast<MergeInputSection>(S))
MS->splitIntoPieces();
});
parallelForEach(InputSections, [](InputSectionBase *S) {
if (!S->Live)
return;
if (Decompressor::isCompressedELFSection(S->Flags, S->Name))
S->uncompress();
if (auto *MS = dyn_cast<MergeInputSection>(S))
MS->splitIntoPieces();
});
std::vector<MergeSyntheticSection *> MergeSections;
for (InputSectionBase *&S : InputSections) {

7
lld/ELF/Threads.h
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@ -67,12 +67,11 @@
namespace lld {
namespace elf {
template <class IterTy, class FuncTy>
void parallelForEach(IterTy Begin, IterTy End, FuncTy Fn) {
template <typename R, class FuncTy> void parallelForEach(R &&Range, FuncTy Fn) {
if (Config->Threads)
for_each(llvm::parallel::par, Begin, End, Fn);
for_each(llvm::parallel::par, std::begin(Range), std::end(Range), Fn);
else
for_each(llvm::parallel::seq, Begin, End, Fn);
for_each(llvm::parallel::seq, std::begin(Range), std::end(Range), Fn);
}
inline void parallelForEachN(size_t Begin, size_t End,

2
lld/ELF/Writer.cpp
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@ -199,7 +199,7 @@ template <class ELFT> void Writer<ELFT>::run() {
// If -compressed-debug-sections is specified, we need to compress
// .debug_* sections. Do it right now because it changes the size of
// output sections.
parallelForEach(OutputSections.begin(), OutputSections.end(),
parallelForEach(OutputSections,
[](OutputSection *Sec) { Sec->maybeCompress<ELFT>(); });
Script->assignAddresses();