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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-01-05 20:59:36 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-01-05 20:59:36 +0000 |
| commit | b31defe94caac68561344f78696be3a048413ec9 (patch) | |
| tree | 69789624eb0b87bdfcb6b72d2272ee32cd9151aa /lib/Analysis/ValueTracking.cpp | |
| parent | f86d799a290ca7ce5b7a98540c3bb80bf98c845e (diff) | |
Remove livein checks from machine code verifier.
A phi operand that is implicitly defined in a predecessor becomes an undefined
register after phi elimination. This causes a lot of false positives when the
verifier is checking if live-in registers are live-out from all predecessors.
Removing the verifier checks seems like a better solution than insisting on
IMPLICIT_DEF instructions in predecessor blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92769 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
0 files changed, 0 insertions, 0 deletions