From ff12c99d131789ccb9e8739963f4d8e0e95667d4 Mon Sep 17 00:00:00 2001
From: Torok Edwin <edwintorok@gmail.com>
Date: Thu, 6 Oct 2011 12:13:28 +0000
Subject: ocaml/C bindings: type->isSized()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141288 91177308-0d34-0410-b5e6-96231b3b80d8
---
 bindings/ocaml/llvm/llvm.ml      | 1 +
 bindings/ocaml/llvm/llvm.mli     | 5 +++++
 bindings/ocaml/llvm/llvm_ocaml.c | 4 ++++
 include/llvm-c/Core.h            | 1 +
 lib/VMCore/Core.cpp              | 5 +++++
 5 files changed, 16 insertions(+)

diff --git a/bindings/ocaml/llvm/llvm.ml b/bindings/ocaml/llvm/llvm.ml
index 1f7809e4da..eaca48d849 100644
--- a/bindings/ocaml/llvm/llvm.ml
+++ b/bindings/ocaml/llvm/llvm.ml
@@ -167,6 +167,7 @@ external set_module_inline_asm : llmodule -> string -> unit
 (*===-- Types -------------------------------------------------------------===*)
 external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
 external type_context : lltype -> llcontext = "llvm_type_context"
+external type_is_sized : lltype -> bool = "llvm_type_is_sized"
 
 (*--... Operations on integer types ........................................--*)
 external i1_type : llcontext -> lltype = "llvm_i1_type"
diff --git a/bindings/ocaml/llvm/llvm.mli b/bindings/ocaml/llvm/llvm.mli
index a5e5c850d6..0f1e9a9017 100644
--- a/bindings/ocaml/llvm/llvm.mli
+++ b/bindings/ocaml/llvm/llvm.mli
@@ -271,6 +271,11 @@ val set_module_inline_asm : llmodule -> string -> unit
     See the method [llvm::Type::getTypeID]. *)
 val classify_type : lltype -> TypeKind.t
 
+(** [type_is_sized ty] returns whether the type has a size or not.
+ * If it doesn't then it is not safe to call the [TargetData::] methods on it.
+ * *)
+val type_is_sized : lltype -> bool
+
 (** [type_context ty] returns the {!llcontext} corresponding to the type [ty].
     See the method [llvm::Type::getContext]. *)
 val type_context : lltype -> llcontext
diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
index d6849cd193..dd8cb16544 100644
--- a/bindings/ocaml/llvm/llvm_ocaml.c
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -172,6 +172,10 @@ CAMLprim value llvm_classify_type(LLVMTypeRef Ty) {
   return Val_int(LLVMGetTypeKind(Ty));
 }
 
+CAMLprim value llvm_type_is_sized(LLVMTypeRef Ty) {
+    return Val_bool(LLVMTypeIsSized(Ty));
+}
+
 /* lltype -> llcontext */
 CAMLprim LLVMContextRef llvm_type_context(LLVMTypeRef Ty) {
   return LLVMGetTypeContext(Ty);
diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index 83fe89cbcf..4d14af1e06 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -355,6 +355,7 @@ LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
 
 /** See llvm::LLVMTypeKind::getTypeID. */
 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
+LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
 
 /** See llvm::LLVMType::getContext. */
 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index b8d2baf1e3..a6f04aed1f 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -167,6 +167,11 @@ LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
   }
 }
 
+LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty)
+{
+    return unwrap(Ty)->isSized();
+}
+
 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty) {
   return wrap(&unwrap(Ty)->getContext());
 }
-- 
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