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| author | Evan Cheng <evan.cheng@apple.com> | 2008-11-20 02:32:35 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-11-20 02:32:35 +0000 |
| commit | c22215a090557171f55b2babb344ed48d96c1c67 (patch) | |
| tree | f6ef0ec44a48a7d6e76a1f5309073f6fc214f1fe /llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp | |
| parent | 5f23e9fe737f248b1d0c0d5d0ca832880fb18a32 (diff) | |
| download | bcm5719-llvm-c22215a090557171f55b2babb344ed48d96c1c67.tar.gz bcm5719-llvm-c22215a090557171f55b2babb344ed48d96c1c67.zip | |
- Register scavenger should use MachineRegisterInfo and internal map to find the first use of a register after a given machine instruction.
- When scavenging a register, in addition to the spill, insert a restore before the first use.
- Abort if client is looking to scavenge a register even when a previously scavenged register is still live.
llvm-svn: 59697
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp')
0 files changed, 0 insertions, 0 deletions
