commit d397e29273ac5b05c2b6e382420310489e0f9d55
author Simon Pilgrim <llvm-dev@redking.me.uk> Sat Nov 02 21:49:12 2019 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Sat Nov 02 21:49:12 2019 +0000
tree 59eb98d5641b51a1b3bb12f2a1f37cd468542a38
parent 9a9c07d71166576dfbac1fbf8b8568305c77400c

A15SDOptimizer::getPrefSPRLane - fix null dereference warning. NFCI

llvm/lib/Target/ARM/A15SDOptimizer.cpp

diff --git a/llvm/lib/Target/ARM/A15SDOptimizer.cpp b/llvm/lib/Target/ARM/A15SDOptimizer.cpp
index 30b9c80..f8a86a7 100644
--- a/llvm/lib/Target/ARM/A15SDOptimizer.cpp
+++ b/llvm/lib/Target/ARM/A15SDOptimizer.cpp
@@ -157,9 +157,8 @@
   MachineInstr *MI = MRI->getVRegDef(SReg);
   if (!MI) return ARM::ssub_0;
   MachineOperand *MO = MI->findRegisterDefOperand(SReg);
-
-  assert(MO->isReg() && "Non-register operand found!");
   if (!MO) return ARM::ssub_0;
+  assert(MO->isReg() && "Non-register operand found!");
 
   if (MI->isCopy() && usesRegClass(MI->getOperand(1),
                                     &ARM::SPRRegClass)) {