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(parent: 69ad713) | patch
Adds support for spilling previously allocated live intervals to
authorAndrew Trick <atrick@apple.com>
Mon, 8 Nov 2010 18:02:08 +0000 (18:02 +0000)
committerAndrew Trick <atrick@apple.com>
Mon, 8 Nov 2010 18:02:08 +0000 (18:02 +0000)
commite141a4960f702bef957b28abde3801ec64e32d87
tree7a224ffe3721534e2ac8c8cfd7f58f860fba418ftree | snapshot
parent69ad7138b7f8a884e0fb2ebf103c47d786ada8c7commit | diff
Adds support for spilling previously allocated live intervals to
handle cases in which a register is unavailable for spill code.
Adds LiveIntervalUnion::extract. While processing interferences on a
live virtual register, reuses the same Query object for each
physcial reg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118423 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/LiveIntervalUnion.cpp diff | blob | history
lib/CodeGen/LiveIntervalUnion.h diff | blob | history
lib/CodeGen/RegAllocBase.h diff | blob | history
lib/CodeGen/RegAllocBasic.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors