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| author | Dan Gohman <gohman@apple.com> | 2009-09-15 01:22:01 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-09-15 01:22:01 +0000 |
| commit | 1e038a8494c9b363cd03a1e239d3a6817d7edec3 (patch) | |
| tree | 3e08d938c1ed60bb7884a1bbbd7fb686e2d2f2c1 /include/llvm/System/Program.h | |
| parent | 71524d716ad7da8f5a8e75085f9739aa6b772f9d (diff) | |
Don't pull a load through a callseq_start if the load's chain
has multiple uses, as one of the other uses may be on a path
to a different node above the callseq_start, because that
leads to a cyclic graph. This problem is exposed when
-combiner-global-alias-analysis is used. This fixes PR4880.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81821 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/System/Program.h')
0 files changed, 0 insertions, 0 deletions