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authorChris Lattner <sabre@nondot.org>2006-02-15 22:03:36 +0000
committerChris Lattner <sabre@nondot.org>2006-02-15 22:03:36 +0000
commit4e1323969c4afa60cd6675cbbaade90afe7e6632 (patch)
tree539ee1b42d923a27495c860e75154da5e61e0d7f /lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
parent74d0aa9a4b1f5e021d2ce851a7af344e9b4ebb23 (diff)
make "trivial" unswitching significantly more general. It can now handle
this for example: for (j = 0; j < N; ++j) { // trivial unswitch if (C) P[i+j] = 0; } turning it into the obvious code without bothering to duplicate an empty loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26220 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
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