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author | Nick Lewycky <nicholas@mxc.ca> | 2014-02-20 06:35:31 +0000 |
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committer | Nick Lewycky <nicholas@mxc.ca> | 2014-02-20 06:35:31 +0000 |
commit | ccb98645b6bb25c3216043d3817ce1b860d37a34 (patch) | |
tree | 0d71a6be417d7d87832f5661979770bf3ec29f80 /lib/CodeGen/ScheduleDAGInstrs.cpp | |
parent | 08316a11e4a95ae42d6550894977ff8d7d077178 (diff) | |
download | llvm-ccb98645b6bb25c3216043d3817ce1b860d37a34.tar.gz llvm-ccb98645b6bb25c3216043d3817ce1b860d37a34.tar.bz2 llvm-ccb98645b6bb25c3216043d3817ce1b860d37a34.tar.xz |
Fix change in behaviour accidentally introduced in r201754.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201758 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
-rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 376b6f2208..88cc313e76 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -152,8 +152,10 @@ static void getUnderlyingObjectsForInstr(const MachineInstr *MI, // For now, ignore PseudoSourceValues which may alias LLVM IR values // because the code that uses this function has no way to cope with // such aliases. - if (!PSV->isAliased(MFI)) - Objects.push_back(UnderlyingObjectsVector::value_type(V, false)); + if (!PSV->isAliased(MFI)) { + bool MayAlias = PSV->mayAlias(MFI); + Objects.push_back(UnderlyingObjectsVector::value_type(V, MayAlias)); + } return; } |