1 files changed, 55 insertions, 0 deletions
diff --git a/lldb/include/lldb/Expression/IRInterpreter.h b/lldb/include/lldb/Expression/IRInterpreter.h
new file mode 100644
index 000000000000..6148093e718f
--- /dev/null
+++ b/lldb/include/lldb/Expression/IRInterpreter.h
@@ -0,0 +1,55 @@
+//===-- IRInterpreter.h -----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_IRInterpreter_h_
+#define liblldb_IRInterpreter_h_
+
+#include "lldb/Utility/ConstString.h"
+#include "lldb/Utility/Stream.h"
+#include "lldb/lldb-public.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Pass.h"
+
+namespace llvm {
+class Function;
+class Module;
+}
+
+namespace lldb_private {
+
+class ClangExpressionDeclMap;
+class IRMemoryMap;
+}
+
+/// \class IRInterpreter IRInterpreter.h "lldb/Expression/IRInterpreter.h"
+/// Attempt to interpret the function's code if it does not require
+///        running the target.
+///
+/// In some cases, the IR for an expression can be evaluated entirely in the
+/// debugger, manipulating variables but not executing any code in the target.
+/// The IRInterpreter attempts to do this.
+class IRInterpreter {
+public:
+  static bool CanInterpret(llvm::Module &module, llvm::Function &function,
+                           lldb_private::Status &error,
+                           const bool support_function_calls);
+
+  static bool Interpret(llvm::Module &module, llvm::Function &function,
+                        llvm::ArrayRef<lldb::addr_t> args,
+                        lldb_private::IRExecutionUnit &execution_unit,
+                        lldb_private::Status &error,
+                        lldb::addr_t stack_frame_bottom,
+                        lldb::addr_t stack_frame_top,
+                        lldb_private::ExecutionContext &exe_ctx);
+
+private:
+  static bool supportsFunction(llvm::Function &llvm_function,
+                               lldb_private::Status &err);
+};
+
+#endif