diff options
| author | Wang, Xin10 <xin10.wang@intel.com> | 2023-03-31 01:40:39 -0400 |
|---|---|---|
| committer | Wang, Xin10 <xin10.wang@intel.com> | 2023-03-31 01:41:48 -0400 |
| commit | 66268c8ec4dbccc7ec5fcc20d405cf0ffe4e91f4 (patch) | |
| tree | 18f8c8864cd96d3807fc4c7f613603abfad3166d /llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp | |
| parent | 30f96a8fb4511bed31a75863d4abec51c3d967a8 (diff) | |
| download | llvm-66268c8ec4dbccc7ec5fcc20d405cf0ffe4e91f4.zip llvm-66268c8ec4dbccc7ec5fcc20d405cf0ffe4e91f4.tar.gz llvm-66268c8ec4dbccc7ec5fcc20d405cf0ffe4e91f4.tar.bz2 | |
[NFC]add & to avoid copy
The elements in FragmentMap are big objects, use reference can get
better performance, as someone do in line 1912.
Differential Revision: https://reviews.llvm.org/D147126
Diffstat (limited to 'llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp b/llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp index 00f4477..a3b4983 100644 --- a/llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp +++ b/llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp @@ -2010,7 +2010,7 @@ static AssignmentTrackingLowering::OverlapMap buildOverlapMapAndRecordDeclares( // Build the map. AssignmentTrackingLowering::OverlapMap Map; - for (auto Pair : FragmentMap) { + for (auto &Pair : FragmentMap) { auto &Frags = Pair.second; for (auto It = Frags.begin(), IEnd = Frags.end(); It != IEnd; ++It) { DIExpression::FragmentInfo Frag = It->getFragmentOrDefault(); |