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Expose LLVMSetOperand and LLVMGetNumOperands to llvm-c and ocaml.

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llvm-svn: 111625
This commit is contained in:
Erick Tryzelaar 2010-08-20 14:51:22 +00:00
parent 429605f7cc
commit 68c31295f7
6 changed files with 38 additions and 0 deletions
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2
bindings/ocaml/llvm/llvm.ml
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@ -280,6 +280,8 @@ let fold_right_uses f v init =
(*--... Operations on users ................................................--*)
external operand : llvalue -> int -> llvalue = "llvm_operand"
external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
external num_operands : llvalue -> int = "llvm_num_operands"
(*--... Operations on constants of (mostly) any type .......................--*)
external is_constant : llvalue -> bool = "llvm_is_constant"

8
bindings/ocaml/llvm/llvm.mli
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@ -557,6 +557,14 @@ val fold_right_uses : (lluse -> 'a -> 'a) -> llvalue -> 'a -> 'a
method [llvm::User::getOperand]. *)
external operand : llvalue -> int -> llvalue = "llvm_operand"
(** [set_operand v i o] sets the operand of the value [v] at the index [i] to
the value [o].
See the method [llvm::User::setOperand]. *)
external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
(** [num_operands v] returns the number of operands for the value [v].
See the method [llvm::User::getNumOperands]. *)
external num_operands : llvalue -> int = "llvm_num_operands"
(** {7 Operations on constants of (mostly) any type} *)

11
bindings/ocaml/llvm/llvm_ocaml.c
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@ -452,6 +452,17 @@ CAMLprim LLVMValueRef llvm_operand(LLVMValueRef V, value I) {
return LLVMGetOperand(V, Int_val(I));
}
/* llvalue -> int -> llvalue -> unit */
CAMLprim value llvm_set_operand(LLVMValueRef U, value I, LLVMValueRef V) {
LLVMSetOperand(U, Int_val(I), V);
return Val_unit;
}
/* llvalue -> int */
CAMLprim value llvm_num_operands(LLVMValueRef V) {
return Val_int(LLVMGetNumOperands(V));
}
/*--... Operations on constants of (mostly) any type .......................--*/
/* llvalue -> bool */

2
include/llvm-c/Core.h
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@ -523,6 +523,8 @@ LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
/* Operations on Users */
LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
int LLVMGetNumOperands(LLVMValueRef Val);
/* Operations on constants of any type */
LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */

8
lib/VMCore/Core.cpp
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@ -489,6 +489,14 @@ LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
return wrap(unwrap<User>(Val)->getOperand(Index));
}
void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
unwrap<User>(Val)->setOperand(Index, unwrap(Op));
}
int LLVMGetNumOperands(LLVMValueRef Val) {
return unwrap<User>(Val)->getNumOperands();
}
/*--.. Operations on constants of any type .................................--*/
LLVMValueRef LLVMConstNull(LLVMTypeRef Ty) {

7
test/Bindings/Ocaml/vmcore.ml
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@ -642,11 +642,18 @@ let test_users () =
let p1 = param fn 0 in
let p2 = param fn 1 in
let a3 = build_alloca i32_type "user_alloca" b in
let p3 = build_load a3 "user_load" b in
let i = build_add p1 p2 "sum" b in
insist ((num_operands i) = 2);
insist ((operand i 0) = p1);
insist ((operand i 1) = p2);
set_operand i 1 p3;
insist ((operand i 1) != p2);
insist ((operand i 1) = p3);
ignore (build_unreachable b)