Generated code for nimrod objc hierarchy test. See https://github.com/Araq/Nimrod/issues/894 for context.

cycle_h.m

/* Generated by Nimrod Compiler v0.9.3 */
/*   (c) 2014 Andreas Rumpf */
/* The generated code is subject to the original license. */
/* Compiled for: MacOSX, amd64, clang */
/* Command for C compiler:
   clang -c  -w  -I/Users/gradha/project/nimrod/root/lib -o /private/tmp/cycle/nimcache/cycle_h.o /private/tmp/cycle/nimcache/cycle_h.m */
#define NIM_INTBITS 64
#include "nimbase.h"

#include <stdio.h>

#include <Foundation/Foundation.h>
typedef struct TGenericSeq TGenericSeq;
typedef struct NimStringDesc NimStringDesc;
typedef struct TNimType TNimType;
typedef struct TNimNode TNimNode;
struct TGenericSeq {
NI len;
NI reserved;
};
typedef NIM_CHAR TY613[100000001];
struct NimStringDesc {
  TGenericSeq Sup;
TY613 data;
};
typedef N_NIMCALL_PTR(void, TY1089) (void* p, NI op);
struct TNimType {
NI size;
NU8 kind;
NU8 flags;
TNimType* base;
TNimNode* node;
void* finalizer;
TY1089 marker;
};
struct TNimNode {
NU8 kind;
NI offset;
TNimType* typ;
NCSTRING name;
NI len;
TNimNode** sons;
};
N_NIMCALL(void, checkisa_80015)(NSObject* x);
N_NIMCALL(NimStringDesc*, reprAny)(void* p_74203, TNimType* typ);
static N_INLINE(void, nimFrame)(TFrame* s);
static N_INLINE(void, popFrame)(void);
static N_INLINE(void, initStackBottom)(void);
N_NOINLINE(void, setStackBottom)(void* thestackbottom);
N_NOINLINE(void, systemInit)(void);
N_NOINLINE(void, systemDatInit)(void);
N_NOINLINE(void, hInit)(void);
N_NOINLINE(void, hDatInit)(void);
STRING_LITERAL(TMP124, "The isa value is ", 17);
TNimType NTI80007; /* TNSObject */
TNimType NTI80009; /* PNSObject */
extern TFrame* frameptr_12837;
NSString* a_80026;

static N_INLINE(void, nimFrame)(TFrame* s) {
	(*s).prev = frameptr_12837;
	frameptr_12837 = s;
}

static N_INLINE(void, popFrame)(void) {
	frameptr_12837 = (*frameptr_12837).prev;
}

N_NIMCALL(void, checkisa_80015)(NSObject* x) {
	nimfr("check_isa", "h.nim")
	nimln(21, "h.nim");
	nimln(21, "h.nim");
	printf("%s%s\012", (((NimStringDesc*) &TMP124))->data, (reprAny(x, (&NTI80009)))->data);
	popFrame();
}

static N_INLINE(void, initStackBottom)(void) {
	void* volatile locals;
	locals = 0;
	locals = ((void*) (&locals));
	setStackBottom(locals);
}
void PreMain() {
	systemDatInit();
	systemInit();
	hDatInit();
	initStackBottom();
}
int cmdCount;
char** cmdLine;
char** gEnv;
N_CDECL(void, NimMain)(void) {
	PreMain();
	hInit();

}
int main(int argc, char** args, char** env) {
	cmdLine = args;
	cmdCount = argc;
	gEnv = env;
	NimMain();
	return nim_program_result;
}
N_NOINLINE(void, hInit)(void) {
	nimfr("h", "h.nim")
	{
	}
	nimln(25, "h.nim");
	checkisa_80015(&a_80026->Sup);
	popFrame();
}

N_NOINLINE(void, hDatInit)(void) {
static TNimNode TMP122[1];
NTI80007.size = sizeof(NSObject);
NTI80007.kind = 17;
NTI80007.base = 0;
NTI80007.flags = 3;
TMP122[0].len = 0; TMP122[0].kind = 2;
NTI80007.node = &TMP122[0];
NTI80009.size = sizeof(NSObject*);
NTI80009.kind = 21;
NTI80009.base = (&NTI80007);
NTI80009.flags = 3;
}