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(parent: 8af808a) | patch
In the list-burr's pseudo two-addr dependency heuristics, don't
authorDan Gohman <gohman@apple.com>
Thu, 16 Apr 2009 20:59:02 +0000 (20:59 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 16 Apr 2009 20:59:02 +0000 (20:59 +0000)
commit0e4042d30b2b47329166f5f784ef3c70f6b408cc
treeb27546a89d67a95ed1be7d40aa400e49ab5a1015tree | snapshot
parent8af808a3d64dfdcc5d126e6ad762f57b1483671ccommit | diff
In the list-burr's pseudo two-addr dependency heuristics, don't
add dependencies on nodes with exactly one successor which is a
COPY_TO_REGCLASS node. In the case that the copy is coalesced
away, the dependence should be on the user of the copy, rather
than the copy itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69309 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors