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C and Objective Caml bindings for PHINode::addIncoming etc.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42760 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gordon Henriksen 2007-10-08 18:14:39 +00:00
parent 389079b59f
commit 2618a6c112
6 changed files with 139 additions and 22 deletions
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8
bindings/ocaml/llvm/llvm.ml
View File

@ -314,6 +314,11 @@ external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
external value_is_block : llvalue -> bool = "llvm_value_is_block"
external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
(*--... Operations on phi nodes ............................................--*)
external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
= "llvm_add_incoming"
external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
(*===-- Instruction builders ----------------------------------------------===*)
external builder_before : llvalue -> llbuilder = "llvm_builder_before"
@ -422,7 +427,8 @@ external build_fcmp : real_predicate -> llvalue -> llvalue -> string ->
llbuilder -> llvalue = "llvm_build_fcmp"
(*--... Miscellaneous instructions .........................................--*)
external build_phi : lltype -> string -> llbuilder -> llvalue = "llvm_build_phi"
external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
llvalue = "llvm_build_phi"
external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
= "llvm_build_call"
external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->

8
bindings/ocaml/llvm/llvm.mli
View File

@ -295,6 +295,11 @@ external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
external value_is_block : llvalue -> bool = "llvm_value_is_block"
external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
(*--... Operations on phi nodes ............................................--*)
external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
= "llvm_add_incoming"
external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
(*===-- Instruction builders ----------------------------------------------===*)
external builder_before : llvalue -> llbuilder = "llvm_builder_before"
@ -403,7 +408,8 @@ external build_fcmp : real_predicate -> llvalue -> llvalue -> string ->
llbuilder -> llvalue = "llvm_build_fcmp"
(*--... Miscellaneous instructions .........................................--*)
external build_phi : lltype -> string -> llbuilder -> llvalue = "llvm_build_phi"
external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
llvalue = "llvm_build_phi"
external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
= "llvm_build_call"
external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->

57
bindings/ocaml/llvm/llvm_ocaml.c
View File

@ -21,6 +21,7 @@
#include "caml/mlvalues.h"
#include "caml/memory.h"
#include "llvm/Config/config.h"
#include <assert.h>
/*===-- Modules -----------------------------------------------------------===*/
@ -572,6 +573,39 @@ CAMLprim value llvm_value_is_block(LLVMValueRef Val) {
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 ----------------------------------------------===*/
@ -933,10 +967,25 @@ CAMLprim LLVMValueRef llvm_build_fcmp(value Pred,
/*--... 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 */

6
include/llvm-c/Core.h
View File

@ -352,6 +352,12 @@ LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
const char *Name);
void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
/* Operations on phi nodes */
void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
/*===-- Instruction builders ----------------------------------------------===*/

22
lib/VMCore/Core.cpp
View File

@ -562,7 +562,6 @@ void LLVMSetThreadLocal(LLVMValueRef GlobalVar, int IsThreadLocal) {
}
int LLVMIsGlobalConstant(LLVMValueRef GlobalVar) {
bool res = unwrap<GlobalVariable>(GlobalVar)->isConstant();
return unwrap<GlobalVariable>(GlobalVar)->isConstant();
}
@ -684,6 +683,27 @@ void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC) {
assert(0 && "LLVMSetInstructionCallConv applies only to call and invoke!");
}
/*--.. Operations on phi nodes .............................................--*/
void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
LLVMBasicBlockRef *IncomingBlocks, unsigned Count) {
PHINode *PhiVal = unwrap<PHINode>(PhiNode);
for (unsigned I = 0; I != Count; ++I)
PhiVal->addIncoming(unwrap(IncomingValues[I]), unwrap(IncomingBlocks[I]));
}
unsigned LLVMCountIncoming(LLVMValueRef PhiNode) {
return unwrap<PHINode>(PhiNode)->getNumIncomingValues();
}
LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index) {
return wrap(unwrap<PHINode>(PhiNode)->getIncomingValue(Index));
}
LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index) {
return wrap(unwrap<PHINode>(PhiNode)->getIncomingBlock(Index));
}
/*===-- Instruction builders ----------------------------------------------===*/

60
test/Bindings/Ocaml/vmcore.ml
View File

@ -1,4 +1,4 @@
(* RUN: %ocamlc llvm.cma llvm_bitwriter.cma %s -o %t
(* RUN: %ocamlc llvm.cma llvm_analysis.cma llvm_bitwriter.cma %s -o %t
* RUN: ./%t %t.bc
* RUN: llvm-dis < %t.bc > %t.ll
*)
@ -467,7 +467,7 @@ let test_functions () =
let fn = define_function "Fn3" ty m in
insist (not (is_declaration fn));
insist (1 = Array.length (basic_blocks fn));
(* this function is not valid because init bb lacks a terminator *)
ignore (build_unreachable (builder_at_end (entry_block fn)));
(* RUN: grep {define.*Fn4.*Param1.*Param2} < %t.ll
*)
@ -481,7 +481,7 @@ let test_functions () =
insist (i64_type = type_of params.(1));
set_value_name "Param1" params.(0);
set_value_name "Param2" params.(1);
(* this function is not valid because init bb lacks a terminator *)
ignore (build_unreachable (builder_at_end (entry_block fn)));
(* RUN: grep {fastcc.*Fn5} < %t.ll
*)
@ -489,7 +489,8 @@ let test_functions () =
let fn = define_function "Fn5" ty m in
insist (ccc = function_call_conv fn);
set_function_call_conv fastcc fn;
insist (fastcc = function_call_conv fn)
insist (fastcc = function_call_conv fn);
ignore (build_unreachable (builder_at_end (entry_block fn)))
(*===-- Basic Blocks ------------------------------------------------------===*)
@ -503,6 +504,7 @@ let test_basic_blocks () =
let fn = declare_function "X" ty m in
let bb = append_block "Bb1" fn in
insist (bb = entry_block fn);
ignore (build_unreachable (builder_at_end bb));
(* RUN: grep -v Bb2 < %t.ll
*)
@ -513,15 +515,18 @@ let test_basic_blocks () =
group "insert";
let fn = declare_function "X3" ty m in
let bbb = append_block "" fn in
let bba = insert_block "" bbb in
let bbb = append_block "b" fn in
let bba = insert_block "a" bbb in
insist ([| bba; bbb |] = basic_blocks fn);
ignore (build_unreachable (builder_at_end bba));
ignore (build_unreachable (builder_at_end bbb));
(* RUN: grep Bb3 < %t.ll
*)
group "name/value";
let fn = define_function "X4" ty m in
let bb = entry_block fn in
ignore (build_unreachable (builder_at_end bb));
let bbv = value_of_block bb in
set_value_name "Bb3" bbv;
insist ("Bb3" = value_name bbv);
@ -529,6 +534,7 @@ let test_basic_blocks () =
group "casts";
let fn = define_function "X5" ty m in
let bb = entry_block fn in
ignore (build_unreachable (builder_at_end bb));
insist (bb = block_of_value (value_of_block bb));
insist (value_is_block (value_of_block bb));
insist (not (value_is_block (const_null i32_type)))
@ -650,7 +656,8 @@ let test_builder () =
let inst16 = build_or p1 inst15 "Inst16" b in
let inst17 = build_xor p1 inst16 "Inst17" b in
let inst18 = build_neg inst17 "Inst18" b in
ignore (build_not inst18 "Inst19" b)
ignore (build_not inst18 "Inst19" b);
ignore (build_unreachable b)
end;
group "memory"; begin
@ -673,7 +680,8 @@ let test_builder () =
ignore(build_free inst20 b);
ignore(build_load inst21 "Inst25" b);
ignore(build_store p2 inst22 b);
ignore(build_gep inst23 [| p2 |] "Inst27" b)
ignore(build_gep inst23 [| p2 |] "Inst27" b);
ignore(build_unreachable b)
end;
group "casts"; begin
@ -724,11 +732,8 @@ let test_builder () =
* RUN: grep {Inst48.*va_arg.*null.*i32} < %t.ll
* RUN: grep {Inst49.*extractelement.*Vec1.*P2} < %t.ll
* RUN: grep {Inst50.*insertelement.*Vec1.*P1.*P2} < %t.ll
* RUN: grep {Inst51.*shufflevector.*Vec1.*Vec2.*Vec3} < %t.ll
* RUN: grep {Inst51.*shufflevector.*Vec1.*Vec2.*1.*1.*0.*0} < %t.ll
*)
(* TODO: %Inst44 = Phi *)
ignore (build_call fn [| p2; p1 |] "Inst45" atentry);
let inst46 = build_icmp Icmp_eq p1 p2 "Inst46" atentry in
ignore (build_select inst46 p1 p2 "Inst47" atentry);
@ -737,8 +742,8 @@ let test_builder () =
i32_type "Inst48" atentry);
(* Set up some vector vregs. *)
let one = const_int i32_type (-1) in
let zero = const_int i32_type 1 in
let one = const_int i32_type 1 in
let zero = const_int i32_type 0 in
let t1 = const_vector [| one; zero; one; zero |] in
let t2 = const_vector [| zero; one; zero; one |] in
let t3 = const_vector [| one; one; zero; zero |] in
@ -748,13 +753,38 @@ let test_builder () =
ignore (build_extractelement vec1 p2 "Inst49" atentry);
ignore (build_insertelement vec1 p1 p2 "Inst50" atentry);
ignore (build_shufflevector vec1 vec2 vec3 "Inst51" atentry);
ignore (build_shufflevector vec1 vec2 t3 "Inst51" atentry);
end;
group "phi"; begin
(* RUN: grep {PhiNode.*P1.*PhiBlock1.*P2.*PhiBlock2} < %t.ll
*)
let b1 = append_block "PhiBlock1" fn in
let b2 = append_block "PhiBlock2" fn in
let jb = append_block "PhiJoinBlock" fn in
ignore (build_br jb (builder_at_end b1));
ignore (build_br jb (builder_at_end b2));
let at_jb = builder_at_end jb in
let phi = build_phi [(p1, b1)] "PhiNode" at_jb in
insist ([(p1, b1)] = incoming phi);
add_incoming (p2, b2) phi;
insist ([(p1, b1); (p2, b2)] = incoming phi);
ignore (build_unreachable at_jb);
end
(*===-- Writer ------------------------------------------------------------===*)
let test_writer () =
group "valid";
insist (match Llvm_analysis.verify_module m with
| None -> true
| Some msg -> prerr_string msg; false);
group "writer";
insist (write_bitcode_file m filename);