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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-06-15 18:49:14 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-06-15 18:49:14 +0000 |
commit | 6e54c908e077906a4cb5d6b7862ab15e94ec25bc (patch) | |
tree | c497b754b6e6f6a2473f4b44f6242e970e633d80 /llvm/lib/Support/FileUtilities.cpp | |
parent | 8651121c11e4b047924bafab305b7bec4395941b (diff) | |
download | llvm-6e54c908e077906a4cb5d6b7862ab15e94ec25bc.zip llvm-6e54c908e077906a4cb5d6b7862ab15e94ec25bc.tar.gz llvm-6e54c908e077906a4cb5d6b7862ab15e94ec25bc.tar.bz2 |
Fix an exotic bug that only showed up in an internal test case.
SimpleRegisterCoalescing::JoinIntervals() uses CoalescerPair to determine if a
copy is coalescable, and in very rare cases it can return true where LHS is not
live - the coalescable copy can come from an alias of the physreg in LHS.
llvm-svn: 106021
Diffstat (limited to 'llvm/lib/Support/FileUtilities.cpp')
0 files changed, 0 insertions, 0 deletions