diff options
| author | Dan Gohman <gohman@apple.com> | 2008-12-05 05:30:02 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-12-05 05:30:02 +0000 |
| commit | 490b1833a96bf0391ebdfba7828d43a8c3512851 (patch) | |
| tree | caee0770eb8daac1f7511a849268210dd8b82a8b /lib/CodeGen/StackSlotColoring.cpp | |
| parent | ae94e594164b193236002516970aeec4c4574768 (diff) | |
Ignore IMPLICIT_DEF instructions when computing physreg liveness.
While they appear to provide a normal clobbering def, they don't
in the case of the awkward IMPLICIT_DEF+INSERT_SUBREG idiom. It
would be good to change INSERT_SUBREG; until then, this change
allows post-regalloc scheduling to cope in a mildly conservative
way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60583 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/StackSlotColoring.cpp')
0 files changed, 0 insertions, 0 deletions