[GlobalISel] Clear virtual register types after selection

1 files changed, 3 insertions, 0 deletions

diff --git a/backend/lib/CodeGen/GlobalISel/InstructionSelect.cpp b/backend/lib/CodeGen/GlobalISel/InstructionSelect.cpp
index 15dfdf0..642e26f 100644
--- a/backend/lib/CodeGen/GlobalISel/InstructionSelect.cpp
+++ b/backend/lib/CodeGen/GlobalISel/InstructionSelect.cpp
@@ -326,6 +326,9 @@ Expected<MachinePassResult> InstructionSelect::runImplementation(MachineFunction
   if (!RegisterValidation)
     return std::unexpected(withErrorContext(RegisterValidation.error(),
                                             "instruction selection produced invalid registers: "));
+  Function.registerInfo().clearAllVirtualRegisterTypes();
+  Result.Changed = true;
+  Result.Changes.add(MachinePassChange::Registers);
   Result.Preserved = Result.Changed ? PreservedAnalyses::none() : PreservedAnalyses::all();
   return Result;
 }