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(parent: 459f4f8) | patch
teach MaskedValueIsZero how to analyze ADDE. This is
authorChris Lattner <sabre@nondot.org>
Sun, 19 Dec 2010 20:38:28 +0000 (20:38 +0000)
committerChris Lattner <sabre@nondot.org>
Sun, 19 Dec 2010 20:38:28 +0000 (20:38 +0000)
commitda60588402e8913f5b7ec40945d4170d0c4ffaf5
treec31d635a3820958bc4075926df81862e2608624etree | snapshot
parent459f4f8c25bd0f61b76b61b19f4839e5790fad34commit | diff
teach MaskedValueIsZero how to analyze ADDE.  This is
enough to teach it that ADDE(0,0) is known 0 except the
low bit, for example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122191 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAG.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors