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| author | Chris Lattner <sabre@nondot.org> | 2004-10-01 23:15:36 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-10-01 23:15:36 +0000 |
| commit | bec6a9ea1281a0b3b37aece91ab0df21e086af61 (patch) | |
| tree | 55f40e7c3db388537506cb8cc7964e67b0e307ae /runtime/libpng/contrib | |
| parent | c2a5730118acf727032271221398ea1cb903dd3f (diff) | |
| download | external_llvm-bec6a9ea1281a0b3b37aece91ab0df21e086af61.zip external_llvm-bec6a9ea1281a0b3b37aece91ab0df21e086af61.tar.gz external_llvm-bec6a9ea1281a0b3b37aece91ab0df21e086af61.tar.bz2 | |
When a virtual register is folded into an instruction, keep track of whether
it was a use, def, or both. This allows us to be less pessimistic in our
analysis of them. In practice, this doesn't make a big difference, but it
doesn't hurt either.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16632 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'runtime/libpng/contrib')
0 files changed, 0 insertions, 0 deletions