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| 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 | 31f94c7c22cbf59753764bc17130dca6a73c0b4e (patch) | |
| tree | 07c66ab0d3e9a521f8554ea6a196a3873ad91db1 /lib/CodeGen/MachineModuleInfo.cpp | |
| parent | 81d0c36d22142da8413f8b2483582df70968ecb3 (diff) | |
- 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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98043 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineModuleInfo.cpp')
0 files changed, 0 insertions, 0 deletions