1 files changed, 11 insertions, 0 deletions

diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 30b470bdd..97e2bf6af 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -47,6 +47,17 @@ Inst::Inst(IR::Opcode op_, u32 flags_) noexcept : op{op_}, flags{flags_} {
     }
 }
 
+Inst::Inst(const Inst& base) : op{base.op}, flags{base.flags} {
+    if (base.op == Opcode::Phi) {
+        throw NotImplementedException("Copying phi node");
+    }
+    std::construct_at(&args);
+    const size_t num_args{base.NumArgs()};
+    for (size_t index = 0; index < num_args; ++index) {
+        SetArg(index, base.Arg(index));
+    }
+}
+
 Inst::~Inst() {
     if (op == Opcode::Phi) {
         std::destroy_at(&phi_args);