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(parent: d1cba87) | patch
Improve pre-RA-sched register pressure tracking for duplicate operands.
authorAndrew Trick <atrick@apple.com>
Wed, 9 Mar 2011 19:12:43 +0000 (19:12 +0000)
committerAndrew Trick <atrick@apple.com>
Wed, 9 Mar 2011 19:12:43 +0000 (19:12 +0000)
commit4bbf4678e341e9bf899c0faa3e3bcfe134db81eb
tree94f494197952c39de102afa3e427be0dd73b4d89tree | snapshot
parentd1cba8727a1ee713030d9e6bbd72523a9f9e2a60commit | diff
Improve pre-RA-sched register pressure tracking for duplicate operands.
This helps cases like 2008-07-19-movups-spills.ll, but doesn't have an obvious impact on benchmarks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127347 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors