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Use stable_sort instead of plain sort to avoid the risk of generating

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trivially different code on different hosts (due to differing
std::sort implementations).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71124 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-05-06 22:54:33 +00:00
parent 3f500d9358
commit 0a8eb57c3d
1 changed files with 1 additions and 1 deletions
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2
lib/Analysis/ScalarEvolution.cpp
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@ -472,7 +472,7 @@ static void GroupByComplexity(std::vector<SCEVHandle> &Ops) {
} }
// Do the rough sort by complexity. // Do the rough sort by complexity.
std::sort(Ops.begin(), Ops.end(), SCEVComplexityCompare()); std::stable_sort(Ops.begin(), Ops.end(), SCEVComplexityCompare());
// Now that we are sorted by complexity, group elements of the same // Now that we are sorted by complexity, group elements of the same
// complexity. Note that this is, at worst, N^2, but the vector is likely to // complexity. Note that this is, at worst, N^2, but the vector is likely to