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Change LiveStackAnalysis::SS2IntervalMap from std::map to std::unordered_map

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This use case doesn't appear to benefit from ordering, and
std::unordered_map has the advantage that it supports emplace (the
LiveInterval values really shouldn't be copyable or movable & they won't
be in a near-future patch).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231175 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2015-03-03 23:53:00 +00:00
parent c4a74461e4
commit 5d9a5fd61d
1 changed files with 1 additions and 1 deletions
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include/llvm/CodeGen/LiveStackAnalysis.h
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@ -33,7 +33,7 @@ namespace llvm {
/// S2IMap - Stack slot indices to live interval mapping.
///
typedef std::map<int, LiveInterval> SS2IntervalMap;
typedef std::unordered_map<int, LiveInterval> SS2IntervalMap;
SS2IntervalMap S2IMap;
/// S2RCMap - Stack slot indices to register class mapping.