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| author | Chris Lattner <sabre@nondot.org> | 2004-06-21 07:19:01 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-06-21 07:19:01 +0000 |
| commit | 2636c1be17c384993c25e9fe1e61a76cee157aa1 (patch) | |
| tree | f89d634a73e1ed1ae63c7ebb621eac14c541ce45 /lib/CodeGen/RegAllocLocal.cpp | |
| parent | 30c02f7eff8ab4a3bdc56957546abb41b0a52d3e (diff) | |
*FINALLY* Fix a really nasty nondeterministic bug that has been haunting us
since May 1st. In this code, the pred iterator was being invalidated sometimes
causing the wrong entries to be added to PHI nodes.
The fix for this is to defererence and safe the *PI value before we hack on
branch instructions, which changes use/def chains, which SOMETIMES invalidates
the iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14278 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
0 files changed, 0 insertions, 0 deletions