Tweak some uses of std::iota to skip initializing the underlying storage. NFCI.

1 files changed, 2 insertions, 3 deletions

diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp
index 418aad2..d710c81 100644
--- a/llvm/lib/LTO/LTO.cpp
+++ b/llvm/lib/LTO/LTO.cpp
@@ -1621,9 +1621,8 @@ lto::setupStatsFile(StringRef StatsFilename) {
 // is to sort them per size so that the largest module get schedule as soon as
 // possible. This is purely a compile-time optimization.
 std::vector<int> lto::generateModulesOrdering(ArrayRef<BitcodeModule *> R) {
-  std::vector<int> ModulesOrdering;
-  ModulesOrdering.resize(R.size());
-  std::iota(ModulesOrdering.begin(), ModulesOrdering.end(), 0);
+  auto Seq = llvm::seq<int>(0, R.size());
+  std::vector<int> ModulesOrdering(Seq.begin(), Seq.end());
   llvm::sort(ModulesOrdering, [&](int LeftIndex, int RightIndex) {
     auto LSize = R[LeftIndex]->getBuffer().size();
     auto RSize = R[RightIndex]->getBuffer().size();