From ccb98645b6bb25c3216043d3817ce1b860d37a34 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Thu, 20 Feb 2014 06:35:31 +0000 Subject: [PATCH] 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 --- lib/CodeGen/ScheduleDAGInstrs.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 376b6f22083..88cc313e76c 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; } -- 2.34.1