Add indirect br support to llvm-c and ocaml.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97376 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 37 insertions, 0 deletions

diff --git a/bindings/ocaml/llvm/llvm.ml b/bindings/ocaml/llvm/llvm.ml
index 837f6a3b74..7017b4ada0 100644
--- a/bindings/ocaml/llvm/llvm.ml
+++ b/bindings/ocaml/llvm/llvm.ml
@@ -351,6 +351,7 @@ external const_extractvalue : llvalue -> int array -> llvalue
                             = "llvm_const_extractvalue"
 external const_insertvalue : llvalue -> llvalue -> int array -> llvalue
                            = "llvm_const_insertvalue"
+external block_address : llvalue -> llbasicblock -> llvalue = "LLVMBlockAddress"
 
 (*--... Operations on global variables, functions, and aliases (globals) ...--*)
 external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
@@ -729,6 +730,10 @@ external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
                       = "llvm_build_switch"
 external add_case : llvalue -> llvalue -> llbasicblock -> unit
                   = "llvm_add_case"
+external build_indirect_br : llvalue -> int -> llbuilder -> llvalue
+                           = "llvm_build_indirect_br"
+external add_destination : llvalue -> llbasicblock -> unit
+                         = "llvm_add_destination"
 external build_invoke : llvalue -> llvalue array -> llbasicblock ->
                         llbasicblock -> string -> llbuilder -> llvalue
                       = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
diff --git a/bindings/ocaml/llvm/llvm.mli b/bindings/ocaml/llvm/llvm.mli
index 5a156428bf..c7fa30a96f 100644
--- a/bindings/ocaml/llvm/llvm.mli
+++ b/bindings/ocaml/llvm/llvm.mli
@@ -950,6 +950,10 @@ external const_extractvalue : llvalue -> int array -> llvalue
 external const_insertvalue : llvalue -> llvalue -> int array -> llvalue
                            = "llvm_const_insertvalue"
 
+(** [block_address f bb] returns the address of the basic block [bb] in the
+    function [f]. See the method [llvm::BasicBlock::get]. *)
+external block_address : llvalue -> llbasicblock -> llvalue = "LLVMBlockAddress"
+
 
 (** {7 Operations on global variables, functions, and aliases (globals)} *)
 
@@ -1562,6 +1566,20 @@ external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
 external add_case : llvalue -> llvalue -> llbasicblock -> unit
                   = "llvm_add_case"
 
+(** [build_indirect_br addr count b] creates a
+    [indirectbr %addr]
+    instruction at the position specified by the instruction builder [b] with
+    space reserved for [count] destinations.
+    See the method [llvm::LLVMBuilder::CreateIndirectBr]. *)
+external build_indirect_br : llvalue -> int -> llbuilder -> llvalue
+                           = "llvm_build_indirect_br"
+
+(** [add_destination br bb] adds the basic block [bb] as a possible branch
+    location for the indirectbr instruction [br].
+    See the method [llvm::IndirectBrInst::addDestination]. **)
+external add_destination : llvalue -> llbasicblock -> unit
+                         = "llvm_add_destination"
+
 (** [build_invoke fn args tobb unwindbb name b] creates an
     [%name = invoke %fn(args) to %tobb unwind %unwindbb]
     instruction at the position specified by the instruction builder [b].
diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
index e56af1e753..3964ff7487 100644
--- a/bindings/ocaml/llvm/llvm_ocaml.c
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -1138,6 +1138,20 @@ CAMLprim value llvm_add_case(LLVMValueRef Switch, LLVMValueRef OnVal,
   return Val_unit;
 }
 
+/* llvalue -> llbasicblock -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_indirect_br(LLVMValueRef Addr,
+                                             value EstimatedDests,
+                                             value B) {
+  return LLVMBuildIndirectBr(Builder_val(B), Addr, EstimatedDests);
+}
+
+/* llvalue -> llvalue -> llbasicblock -> unit */
+CAMLprim value llvm_add_destination(LLVMValueRef IndirectBr,
+                                    LLVMBasicBlockRef Dest) {
+  LLVMAddDestination(IndirectBr, Dest);
+  return Val_unit;
+}
+
 /* llvalue -> llvalue array -> llbasicblock -> llbasicblock -> string ->
    llbuilder -> llvalue */
 CAMLprim LLVMValueRef llvm_build_invoke_nat(LLVMValueRef Fn, value Args,