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-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 1813fb8f59b..6de41728971 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -5684,7 +5684,9 @@ static void expandLoadStackGuard(MachineInstrBuilder &MIB,
unsigned Reg = MIB->getOperand(0).getReg();
const GlobalValue *GV =
cast<GlobalValue>((*MIB->memoperands_begin())->getValue());
- auto Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOInvariant;
+ auto Flags = MachineMemOperand::MOLoad |
+ MachineMemOperand::MODereferenceable |
+ MachineMemOperand::MOInvariant;
MachineMemOperand *MMO = MBB.getParent()->getMachineMemOperand(
MachinePointerInfo::getGOT(*MBB.getParent()), Flags, 8, 8);
MachineBasicBlock::iterator I = MIB.getInstr();
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