#include "caml/custom.h"
#include "caml/mlvalues.h"
#include "caml/memory.h"
-#include "llvm/Config/config.h"
+#include "llvm/Config/config.h"
+#include <assert.h>
/*===-- Modules -----------------------------------------------------------===*/
return Val_int(LLVMGetTypeKind(Ty));
}
-/* lltype -> lltype -> unit */
-CAMLprim value llvm_refine_abstract_type(LLVMTypeRef ConcreteTy,
- LLVMTypeRef AbstractTy) {
- LLVMRefineAbstractType(AbstractTy, ConcreteTy);
- return Val_unit;
-}
-
/*--... Operations on integer types ........................................--*/
/* unit -> lltype */
return LLVMOpaqueType();
}
+/*--... Operations on type handles .........................................--*/
+
+#define Typehandle_val(v) (*(LLVMTypeHandleRef *)(Data_custom_val(v)))
+
+void llvm_finalize_handle(value TH) {
+ LLVMDisposeTypeHandle(Typehandle_val(TH));
+}
+
+static struct custom_operations typehandle_ops = {
+ (char *) "LLVMTypeHandle",
+ llvm_finalize_handle,
+ custom_compare_default,
+ custom_hash_default,
+ custom_serialize_default,
+ custom_deserialize_default
+};
+
+CAMLprim value llvm_handle_to_type(LLVMTypeRef PATy) {
+ value TH = alloc_custom(&typehandle_ops, sizeof(LLVMBuilderRef), 0, 1);
+ Typehandle_val(TH) = LLVMCreateTypeHandle(PATy);
+ return TH;
+}
+
+CAMLprim LLVMTypeRef llvm_type_of_handle(value TH) {
+ return LLVMResolveTypeHandle(Typehandle_val(TH));
+}
+
+CAMLprim value llvm_refine_type(LLVMTypeRef AbstractTy, LLVMTypeRef ConcreteTy){
+ LLVMRefineAbstractType(AbstractTy, ConcreteTy);
+ return Val_unit;
+}
+
/*===-- VALUES ------------------------------------------------------------===*/
/* lltype -> string -> llmodule -> llvalue */
CAMLprim LLVMValueRef llvm_declare_global(LLVMTypeRef Ty, value Name,
LLVMModuleRef M) {
+ LLVMValueRef GlobalVar;
+ if ((GlobalVar = LLVMGetNamedGlobal(M, String_val(Name)))) {
+ if (LLVMGetElementType(LLVMTypeOf(GlobalVar)) != Ty)
+ return LLVMConstBitCast(GlobalVar, LLVMPointerType(Ty));
+ return GlobalVar;
+ }
return LLVMAddGlobal(M, Ty, String_val(Name));
}
+/* string -> llmodule -> llvalue option */
+CAMLprim value llvm_lookup_global(value Name, LLVMModuleRef M) {
+ CAMLparam1(Name);
+ LLVMValueRef GlobalVar;
+ if ((GlobalVar = LLVMGetNamedGlobal(M, String_val(Name)))) {
+ value Option = alloc(1, 0);
+ Field(Option, 0) = (value) GlobalVar;
+ CAMLreturn(Option);
+ }
+ CAMLreturn(Val_int(0));
+}
+
/* string -> llvalue -> llmodule -> llvalue */
CAMLprim LLVMValueRef llvm_define_global(value Name, LLVMValueRef Initializer,
LLVMModuleRef M) {
return Val_unit;
}
+/* llvalue -> bool */
+CAMLprim value llvm_is_global_constant(LLVMValueRef GlobalVar) {
+ return Val_bool(LLVMIsGlobalConstant(GlobalVar));
+}
+
+/* bool -> llvalue -> unit */
+CAMLprim value llvm_set_global_constant(value Flag, LLVMValueRef GlobalVar) {
+ LLVMSetGlobalConstant(GlobalVar, Bool_val(Flag));
+ return Val_unit;
+}
+
/*--... Operations on functions ............................................--*/
/* string -> lltype -> llmodule -> llvalue */
CAMLprim LLVMValueRef llvm_declare_function(value Name, LLVMTypeRef Ty,
LLVMModuleRef M) {
+ LLVMValueRef Fn;
+ if ((Fn = LLVMGetNamedFunction(M, String_val(Name)))) {
+ if (LLVMGetElementType(LLVMTypeOf(Fn)) != Ty)
+ return LLVMConstBitCast(Fn, LLVMPointerType(Ty));
+ return Fn;
+ }
return LLVMAddFunction(M, String_val(Name), Ty);
}
+/* string -> llmodule -> llvalue option */
+CAMLprim value llvm_lookup_function(value Name, LLVMModuleRef M) {
+ CAMLparam1(Name);
+ LLVMValueRef Fn;
+ if ((Fn = LLVMGetNamedFunction(M, String_val(Name)))) {
+ value Option = alloc(1, 0);
+ Field(Option, 0) = (value) Fn;
+ CAMLreturn(Option);
+ }
+ CAMLreturn(Val_int(0));
+}
+
/* string -> lltype -> llmodule -> llvalue */
CAMLprim LLVMValueRef llvm_define_function(value Name, LLVMTypeRef Ty,
LLVMModuleRef M) {
return Val_unit;
}
+/* llvalue -> string option */
+CAMLprim value llvm_collector(LLVMValueRef Fn) {
+ const char *Collector;
+ CAMLparam0();
+ CAMLlocal2(Name, Option);
+
+ if ((Collector = LLVMGetCollector(Fn))) {
+ Name = copy_string(Collector);
+
+ Option = alloc(1, 0);
+ Field(Option, 0) = Name;
+ CAMLreturn(Option);
+ } else {
+ CAMLreturn(Val_int(0));
+ }
+}
+
+/* string option -> llvalue -> unit */
+CAMLprim value llvm_set_collector(value GC, LLVMValueRef Fn) {
+ LLVMSetCollector(Fn, GC == Val_int(0)? 0 : String_val(Field(GC, 0)));
+ return Val_unit;
+}
+
/*--... Operations on basic blocks .........................................--*/
/* llvalue -> llbasicblock array */
return Val_bool(LLVMValueIsBasicBlock(Val));
}
+/*--... Operations on phi nodes ............................................--*/
+
+/* (llvalue * llbasicblock) -> llvalue -> unit */
+CAMLprim value llvm_add_incoming(value Incoming, LLVMValueRef PhiNode) {
+ LLVMAddIncoming(PhiNode,
+ (LLVMValueRef*) &Field(Incoming, 0),
+ (LLVMBasicBlockRef*) &Field(Incoming, 1),
+ 1);
+ return Val_unit;
+}
+
+/* llvalue -> (llvalue * llbasicblock) list */
+CAMLprim value llvm_incoming(LLVMValueRef PhiNode) {
+ unsigned I;
+ CAMLparam0();
+ CAMLlocal3(Hd, Tl, Tmp);
+
+ /* Build a tuple list of them. */
+ Tl = Val_int(0);
+ for (I = LLVMCountIncoming(PhiNode); I != 0; ) {
+ Hd = alloc(2, 0);
+ Store_field(Hd, 0, (value) LLVMGetIncomingValue(PhiNode, --I));
+ Store_field(Hd, 1, (value) LLVMGetIncomingBlock(PhiNode, I));
+
+ Tmp = alloc(2, 0);
+ Store_field(Tmp, 0, Hd);
+ Store_field(Tmp, 1, Tl);
+ Tl = Tmp;
+ }
+
+ CAMLreturn(Tl);
+}
+
/*===-- Instruction builders ----------------------------------------------===*/
/*--... Miscellaneous instructions .........................................--*/
-/* lltype -> string -> llbuilder -> llvalue */
-CAMLprim LLVMValueRef llvm_build_phi(LLVMTypeRef Ty,
- value Name, value B) {
- return LLVMBuildPhi(Builder_val(B), Ty, String_val(Name));
+/* (llvalue * llbasicblock) list -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_phi(value Incoming, value Name, value B) {
+ value Hd, Tl;
+ LLVMValueRef FirstValue, PhiNode;
+
+ assert(Incoming != Val_int(0) && "Empty list passed to Llvm.build_phi!");
+
+ Hd = Field(Incoming, 0);
+ FirstValue = (LLVMValueRef) Field(Hd, 0);
+ PhiNode = LLVMBuildPhi(Builder_val(B), LLVMTypeOf(FirstValue),
+ String_val(Name));
+
+ for (Tl = Incoming; Tl != Val_int(0); Tl = Field(Tl, 1)) {
+ value Hd = Field(Tl, 0);
+ LLVMAddIncoming(PhiNode, (LLVMValueRef*) &Field(Hd, 0),
+ (LLVMBasicBlockRef*) &Field(Hd, 1), 1);
+ }
+
+ return PhiNode;
}
/* llvalue -> llvalue array -> string -> llbuilder -> llvalue */
return LLVMBuildShuffleVector(Builder_val(B), V1, V2, Mask, String_val(Name));
}
+
+/*===-- Module Providers --------------------------------------------------===*/
+
+/* llmoduleprovider -> unit */
+CAMLprim value llvm_dispose_module_provider(LLVMModuleProviderRef MP) {
+ LLVMDisposeModuleProvider(MP);
+ return Val_unit;
+}
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