1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/IR/User.cpp b/llvm/lib/IR/User.cpp
index 4a3eba9..3097916 100644
--- a/llvm/lib/IR/User.cpp
+++ b/llvm/lib/IR/User.cpp
@@ -9,6 +9,7 @@
 #include "llvm/IR/User.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/IntrinsicInst.h"
 
 namespace llvm {
 class BasicBlock;
@@ -105,6 +106,12 @@ MutableArrayRef<uint8_t> User::getDescriptor() {
       reinterpret_cast<uint8_t *>(DI) - DI->SizeInBytes, DI->SizeInBytes);
 }
 
+bool User::isDroppable() const {
+  if (const auto *Intr = dyn_cast<IntrinsicInst>(this))
+    return Intr->getIntrinsicID() == Intrinsic::assume;
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 //                         User operator new Implementations
 //===----------------------------------------------------------------------===//