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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 00:31:45 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 00:31:45 +0000 |
| commit | c621af1f60f58f31ca65706fe6f893909b0c6260 (patch) | |
| tree | 8e5f7de9f6b85590cf9d9133164965d2ee65a9d8 /llvm/lib/Analysis/ProfileEstimatorPass.cpp | |
| parent | d3511235d1abbf741ad0740af90ce239773c9a60 (diff) | |
| download | bcm5719-llvm-c621af1f60f58f31ca65706fe6f893909b0c6260.tar.gz bcm5719-llvm-c621af1f60f58f31ca65706fe6f893909b0c6260.zip | |
Fix floating-point divide by zero, in a case where the value was not going to be used anyway.
llvm-svn: 162518
Diffstat (limited to 'llvm/lib/Analysis/ProfileEstimatorPass.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ProfileEstimatorPass.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ProfileEstimatorPass.cpp b/llvm/lib/Analysis/ProfileEstimatorPass.cpp index 63468f84261..12b59e0a6fd 100644 --- a/llvm/lib/Analysis/ProfileEstimatorPass.cpp +++ b/llvm/lib/Analysis/ProfileEstimatorPass.cpp @@ -286,7 +286,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) { } } - double fraction = floor(BBWeight/Edges.size()); + double fraction = Edges.size() ? floor(BBWeight/Edges.size()) : 0.0; // Finally we know what flow is still not leaving the block, distribute this // flow onto the empty edges. for (SmallVector<Edge, 8>::iterator ei = Edges.begin(), ee = Edges.end(); |
