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(parent: 4d06138) | patch
Some cleanup and bulletproofing for node replacement in LegalizeDAG. To maintain...
authorEli Friedman <eli.friedman@gmail.com>
Fri, 11 Nov 2011 23:58:27 +0000 (23:58 +0000)
committerEli Friedman <eli.friedman@gmail.com>
Fri, 11 Nov 2011 23:58:27 +0000 (23:58 +0000)
commit0e3642a58746a26f50709179a2bcb25f335e2dac
tree5e7e79a8007617f9fe02611b016a6c9af96c6c55tree | snapshot
parent4d06138d53b5e3248eccd04b2b31277fce66f260commit | diff
Some cleanup and bulletproofing for node replacement in LegalizeDAG.  To maintain LegalizeDAG invariants, whenever we a node is replaced, we must attempt to delete it, and if it still
has uses after it is replaced (which can happen in rare cases due to CSE), we must revisit it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144432 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors