Expose Function::viewCFG and Function::viewCFGOnly to bindings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/bindings/ocaml/analysis/analysis_ocaml.c b/bindings/ocaml/analysis/analysis_ocaml.c
index e57c5a5..9716705 100644
--- a/bindings/ocaml/analysis/analysis_ocaml.c
+++ b/bindings/ocaml/analysis/analysis_ocaml.c
@@ -58,3 +58,15 @@
   LLVMVerifyFunction(Fn, LLVMAbortProcessAction);
   return Val_unit;
 }
+
+/* Llvm.llvalue -> unit */
+CAMLprim value llvm_view_function_cfg(LLVMValueRef Fn) {
+  LLVMViewFunctionCFG(Fn);
+  return Val_unit;
+}
+
+/* Llvm.llvalue -> unit */
+CAMLprim value llvm_view_function_cfg_only(LLVMValueRef Fn) {
+  LLVMViewFunctionCFGOnly(Fn);
+  return Val_unit;
+}
diff --git a/bindings/ocaml/analysis/llvm_analysis.ml b/bindings/ocaml/analysis/llvm_analysis.ml
index f4379f8..fc4d203 100644
--- a/bindings/ocaml/analysis/llvm_analysis.ml
+++ b/bindings/ocaml/analysis/llvm_analysis.ml
@@ -17,3 +17,6 @@
 
 external assert_valid_function : Llvm.llvalue -> unit
                                = "llvm_assert_valid_function"
+external view_function_cfg : Llvm.llvalue -> unit = "llvm_view_function_cfg"
+external view_function_cfg_only : Llvm.llvalue -> unit
+                                = "llvm_view_function_cfg_only"
diff --git a/bindings/ocaml/analysis/llvm_analysis.mli b/bindings/ocaml/analysis/llvm_analysis.mli
index a97bd7e..793f482 100644
--- a/bindings/ocaml/analysis/llvm_analysis.mli
+++ b/bindings/ocaml/analysis/llvm_analysis.mli
@@ -33,3 +33,14 @@
     [llvm::verifyFunction]. *)
 external assert_valid_function : Llvm.llvalue -> unit
                                = "llvm_assert_valid_function"
+
+(** [view_function_cfg f] opens up a ghostscript window displaying the CFG of
+    the current function with the code for each basic block inside.
+    See [llvm::Function::viewCFG]. *)
+external view_function_cfg : Llvm.llvalue -> unit = "llvm_view_function_cfg"
+
+(** [view_function_cfg_only f] works just like [view_function_cfg], but does not
+    include the contents of basic blocks into the nodes.
+    See [llvm::Function::viewCFGOnly]. *)
+external view_function_cfg_only : Llvm.llvalue -> unit
+                                = "llvm_view_function_cfg_only"