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[PM] Don't spend time making self moves no-ops. They're allowed to leave

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the object in a moved-from state, and its simpler to write the code that
way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226589 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2015-01-20 18:54:16 +00:00
parent 61b4b8088d
commit 30dd113d6f
1 changed files with 5 additions and 7 deletions
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12
include/llvm/Analysis/LoopInfo.h
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@ -514,14 +514,12 @@ public:
Arg.TopLevelLoops.clear();
}
LoopInfoBase &operator=(LoopInfoBase &&RHS) {
if (&RHS != this) {
BBMap = std::move(RHS.BBMap);
BBMap = std::move(RHS.BBMap);
for (auto *L : TopLevelLoops)
delete L;
TopLevelLoops = std::move(RHS.TopLevelLoops);
RHS.TopLevelLoops.clear();
}
for (auto *L : TopLevelLoops)
delete L;
TopLevelLoops = std::move(RHS.TopLevelLoops);
RHS.TopLevelLoops.clear();
return *this;
}