1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonGenMux.cpp b/llvm/lib/Target/Hexagon/HexagonGenMux.cpp
index 6b5e86bdb88..da4c186d04a 100644
--- a/llvm/lib/Target/Hexagon/HexagonGenMux.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonGenMux.cpp
@@ -49,6 +49,10 @@ namespace {
       MachineFunctionPass::getAnalysisUsage(AU);
     }
     bool runOnMachineFunction(MachineFunction &MF) override;
+    MachineFunctionProperties getRequiredProperties() const override {
+      return MachineFunctionProperties().set(
+          MachineFunctionProperties::Property::AllVRegsAllocated);
+    }
 
   private:
     const HexagonInstrInfo *HII;
@@ -316,4 +320,3 @@ bool HexagonGenMux::runOnMachineFunction(MachineFunction &MF) {
 FunctionPass *llvm::createHexagonGenMux() {
   return new HexagonGenMux();
 }
-