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| author | Wang, Xin10 <xin10.wang@intel.com> | 2023-05-28 22:23:32 -0400 |
|---|---|---|
| committer | Wang, Xin10 <xin10.wang@intel.com> | 2023-05-28 22:24:21 -0400 |
| commit | fbb241c5523c07842af6cbe7a3a5a1c6513f1302 (patch) | |
| tree | 12d9876cc60608096b61915da198f4e37f0bfeb8 /llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp | |
| parent | 9032a94637981cce528f0838df4d4d474105d076 (diff) | |
| download | llvm-fbb241c5523c07842af6cbe7a3a5a1c6513f1302.zip llvm-fbb241c5523c07842af6cbe7a3a5a1c6513f1302.tar.gz llvm-fbb241c5523c07842af6cbe7a3a5a1c6513f1302.tar.bz2 | |
use ref to avoid copy in range for-loop
Use big obj copy in range for-loop will call copy constructor every time,
which can be avoided by use ref instead.
Reviewed By: skan
Differential Revision: https://reviews.llvm.org/D150024
Diffstat (limited to 'llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp b/llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp index c5942ae..8aa9807 100644 --- a/llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp +++ b/llvm/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp @@ -1312,7 +1312,7 @@ void VarLocBasedLDV::cleanupEntryValueTransfers( return; auto TransRange = EntryValTransfers.equal_range(TRInst); - for (auto TDPair : llvm::make_range(TransRange.first, TransRange.second)) { + for (auto &TDPair : llvm::make_range(TransRange.first, TransRange.second)) { const VarLoc &EmittedEV = VarLocIDs[TDPair.second]; if (std::tie(EntryVL.Var, EntryVL.Locs[0].Value.RegNo, EntryVL.Expr) == std::tie(EmittedEV.Var, EmittedEV.Locs[0].Value.RegNo, |