1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/ProcessImplicitDefs.cpp b/llvm/lib/CodeGen/ProcessImplicitDefs.cpp
index 117ee59a..7327f9e 100644
--- a/llvm/lib/CodeGen/ProcessImplicitDefs.cpp
+++ b/llvm/lib/CodeGen/ProcessImplicitDefs.cpp
@@ -46,6 +46,11 @@ public:
   void getAnalysisUsage(AnalysisUsage &au) const override;
 
   bool runOnMachineFunction(MachineFunction &MF) override;
+
+  virtual MachineFunctionProperties getRequiredProperties() const override {
+    return MachineFunctionProperties().set(
+        MachineFunctionProperties::Property::IsSSA);
+  }
 };
 } // end anonymous namespace
 
@@ -141,7 +146,6 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &MF) {
   TII = MF.getSubtarget().getInstrInfo();
   TRI = MF.getSubtarget().getRegisterInfo();
   MRI = &MF.getRegInfo();
-  assert(MRI->isSSA() && "ProcessImplicitDefs only works on SSA form.");
   assert(WorkList.empty() && "Inconsistent worklist state");
 
   for (MachineBasicBlock &MBB : MF) {