diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2010-03-09 03:21:12 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-03-09 03:21:12 +0000 |
| commit | 19e44b4510c565433ba0e74a4312b52000b90ade (patch) | |
| tree | 4d77680f02bf53c15dc1427bcb2c84333589b94d /llvm/lib/Target/TargetMachine.cpp | |
| parent | 772952f46e7d69397cbf56a5e66acf509102cf21 (diff) | |
| download | bcm5719-llvm-19e44b4510c565433ba0e74a4312b52000b90ade.tar.gz bcm5719-llvm-19e44b4510c565433ba0e74a4312b52000b90ade.zip | |
- Make the machine cse dumb coalescer (as opposed to the more awesome simple
coalescer) handle sub-register classes.
- Add heuristics to avoid non-profitable cse. Given the current lack of live
range splitting, avoid cse when an expression has PHI use and the would be
new use is in a BB where the expression wasn't already being used.
llvm-svn: 98043
Diffstat (limited to 'llvm/lib/Target/TargetMachine.cpp')
0 files changed, 0 insertions, 0 deletions
