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(parent: 5c5bc7b) | patch
CodeGen: BlockPlacement: Add comment about DenseMap Safety.
authorKyle Butt <kyle+llvm@iteratee.net>
Wed, 12 Apr 2017 18:30:32 +0000 (18:30 +0000)
committerKyle Butt <kyle+llvm@iteratee.net>
Wed, 12 Apr 2017 18:30:32 +0000 (18:30 +0000)
commit336c78fdbe61270baca0f9fe72e3dc87375fa84e
tree1a3c35ad6d3d3e0ae3a0af3c9cbd560209b3960atree | snapshot
parent5c5bc7bc0a98e2ed3e9db318a2465dfd781a9435commit | diff
CodeGen: BlockPlacement: Add comment about DenseMap Safety.

The use of a DenseMap in precomputeTriangleChains does not cause
non-determinism, even though it is iterated over, as the only thing the
iteration does is to insert entries into a new DenseMap, which is not iterated.
Comment only change.

llvm-svn: 300088
llvm/lib/CodeGen/MachineBlockPlacement.cpp diff | blob | history
Domain: System / Toolchain;