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diff --git a/src/ortho/llvm/llvm-analysis.ads b/src/ortho/llvm/llvm-analysis.ads
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+--  LLVM binding
+--  Copyright (C) 2014 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
+--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+--  for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with GHDL; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+with LLVM.Core; use LLVM.Core;
+
+package LLVM.Analysis is
+   type VerifierFailureAction is
+     (
+      AbortProcessAction, -- verifier will print to stderr and abort()
+      PrintMessageAction, -- verifier will print to stderr and return 1
+      ReturnStatusAction  -- verifier will just return 1
+     );
+   pragma Convention (C, VerifierFailureAction);
+
+   -- Verifies that a module is valid, taking the specified action if not.
+   -- Optionally returns a human-readable description of any invalid
+   -- constructs.
+   -- OutMessage must be disposed with DisposeMessage. */
+   function VerifyModule(M : ModuleRef;
+                         Action : VerifierFailureAction;
+                         OutMessage : access Cstring)
+                        return Integer;
+
+   -- Verifies that a single function is valid, taking the specified
+   --  action. Useful for debugging.
+   function VerifyFunction(Fn : ValueRef; Action : VerifierFailureAction)
+     return Integer;
+
+   -- Open up a ghostview window that displays the CFG of the current function.
+   -- Useful for debugging.
+   procedure ViewFunctionCFG(Fn : ValueRef);
+   procedure ViewFunctionCFGOnly(Fn : ValueRef);
+private
+   pragma Import (C, VerifyModule, "LLVMVerifyModule");
+   pragma Import (C, VerifyFunction, "LLVMVerifyFunction");
+   pragma Import (C, ViewFunctionCFG, "LLVMViewFunctionCFG");
+   pragma Import (C, ViewFunctionCFGOnly, "LLVMViewFunctionCFGOnly");
+end LLVM.Analysis;
+