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| author | Andrew Trick <atrick@apple.com> | 2011-09-01 00:54:31 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2011-09-01 00:54:31 +0000 |
| commit | 340d78f4e7b95c235d0ecf315b755bebefd0a168 (patch) | |
| tree | a0ff341ce5176af908e04964c54395010f291a87 /lib/MC/MCDisassembler/EDDisassembler.cpp | |
| parent | 35726bfcaa852fcbcbda03613b7f9a59763003bc (diff) | |
PreRA scheduler should avoid cloning compares.
Added canClobberReachingPhysRegUse() to handle a particular pattern in
which a two-address instruction could be forced to interfere with
EFLAGS, causing a compare to be unnecessarilly cloned.
Fixes rdar://problem/5875261
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138924 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCDisassembler/EDDisassembler.cpp')
0 files changed, 0 insertions, 0 deletions