Example #1
0
void
llvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
   struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
   struct lp_fragment_shader *shader = fs;
   struct lp_fragment_shader_variant *variant;

   assert(fs != llvmpipe->fs);

   variant = shader->variants;
   while(variant) {
      struct lp_fragment_shader_variant *next = variant->next;

      if(variant->function) {
         if(variant->jit_function)
            LLVMFreeMachineCodeForFunction(screen->engine, variant->function);
         LLVMDeleteFunction(variant->function);
      }

      FREE(variant);

      variant = next;
   }

   FREE((void *) shader->base.tokens);
   FREE(shader);
}
static void
remove_shader_variant(struct llvmpipe_context *lp,
                      struct lp_fragment_shader_variant *variant)
{
   struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen);
   unsigned i;

   if (gallivm_debug & GALLIVM_DEBUG_IR) {
      debug_printf("llvmpipe: del fs #%u var #%u v created #%u v cached #%u v total cached #%u\n",
                    variant->shader->no, variant->no, variant->shader->variants_created,
                    variant->shader->variants_cached, lp->nr_fs_variants);
   }
   for (i = 0; i < Elements(variant->function); i++) {
      if (variant->function[i]) {
         if (variant->jit_function[i])
            LLVMFreeMachineCodeForFunction(screen->engine,
                                           variant->function[i]);
         LLVMDeleteFunction(variant->function[i]);
      }
   }
   remove_from_list(&variant->list_item_local);
   variant->shader->variants_cached--;
   remove_from_list(&variant->list_item_global);
   lp->nr_fs_variants--;
   FREE(variant);
}
Example #3
0
SWIGEXPORT void JNICALL Java_org_jllvm_bindings_ExecutionEngineJNI_LLVMFreeMachineCodeForFunction(JNIEnv *jenv, jclass jcls, jlong jarg1, jlong jarg2) {
  LLVMExecutionEngineRef arg1 = (LLVMExecutionEngineRef) 0 ;
  LLVMValueRef arg2 = (LLVMValueRef) 0 ;
  
  (void)jenv;
  (void)jcls;
  arg1 = *(LLVMExecutionEngineRef *)&jarg1; 
  arg2 = *(LLVMValueRef *)&jarg2; 
  LLVMFreeMachineCodeForFunction(arg1,arg2);
}
/**
 * Free the function (and its machine code).
 */
void
gallivm_free_function(struct gallivm_state *gallivm,
                      LLVMValueRef func,
                      const void *code)
{
#if !USE_MCJIT
   if (code) {
      LLVMFreeMachineCodeForFunction(gallivm->engine, func);
   }

   LLVMDeleteFunction(func);
#endif
}
Example #5
0
void JITImpl::reclaimUnreachableFunctions(JITCoreInfo &coreInfo)
{
  std::vector<uint32_t> &unreachableFunctions = coreInfo.unreachableFunctions;
  std::map<uint32_t,JITFunctionInfo*> &functionMap = coreInfo.functionMap;
  for (std::vector<uint32_t>::iterator it = unreachableFunctions.begin(),
       e = unreachableFunctions.end(); it != e; ++it) {
    std::map<uint32_t,JITFunctionInfo*>::iterator entry = functionMap.find(*it);
    if (entry == functionMap.end())
      continue;
    LLVMValueRef value = entry->second->value;
    LLVMFreeMachineCodeForFunction(executionEngine, value);
    LLVMReplaceAllUsesWith(value, LLVMGetUndef(LLVMTypeOf(value)));
    LLVMDeleteFunction(value);
    delete entry->second;
    functionMap.erase(entry);
  }
  unreachableFunctions.clear();
}
Example #6
0
void
llvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
   struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
   struct lp_fragment_shader *shader = fs;
   struct lp_fragment_shader_variant *variant;

   assert(fs != llvmpipe->fs);
   (void) llvmpipe;

   /*
    * XXX: we need to flush the context until we have some sort of reference
    * counting in fragment shaders as they may still be binned
    */
   draw_flush(llvmpipe->draw);
   lp_setup_flush(llvmpipe->setup, 0);

   variant = shader->variants;
   while(variant) {
      struct lp_fragment_shader_variant *next = variant->next;
      unsigned i;

      for (i = 0; i < Elements(variant->function); i++) {
         if (variant->function[i]) {
            if (variant->jit_function[i])
               LLVMFreeMachineCodeForFunction(screen->engine,
                                              variant->function[i]);
            LLVMDeleteFunction(variant->function[i]);
         }
      }

      FREE(variant);

      variant = next;
   }

   FREE((void *) shader->base.tokens);
   FREE(shader);
}
/* llvalue -> ExecutionEngine.t -> unit */
CAMLprim value llvm_ee_free_machine_code(LLVMValueRef F,
                                         LLVMExecutionEngineRef EE) {
  LLVMFreeMachineCodeForFunction(EE, F);
  return Val_unit;
}
Example #8
0
ALIGN_STACK
static boolean
test_one(unsigned verbose,
         FILE *fp,
         const struct pipe_blend_state *blend,
         enum vector_mode mode,
         struct lp_type type)
{
   LLVMModuleRef module = NULL;
   LLVMValueRef func = NULL;
   LLVMExecutionEngineRef engine = NULL;
   LLVMModuleProviderRef provider = NULL;
   LLVMPassManagerRef pass = NULL;
   char *error = NULL;
   blend_test_ptr_t blend_test_ptr;
   boolean success;
   const unsigned n = LP_TEST_NUM_SAMPLES;
   int64_t cycles[LP_TEST_NUM_SAMPLES];
   double cycles_avg = 0.0;
   unsigned i, j;

   if(verbose >= 1)
      dump_blend_type(stdout, blend, mode, type);

   module = LLVMModuleCreateWithName("test");

   func = add_blend_test(module, blend, mode, type);

   if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) {
      LLVMDumpModule(module);
      abort();
   }
   LLVMDisposeMessage(error);

   provider = LLVMCreateModuleProviderForExistingModule(module);
   if (LLVMCreateJITCompiler(&engine, provider, 1, &error)) {
      if(verbose < 1)
         dump_blend_type(stderr, blend, mode, type);
      fprintf(stderr, "%s\n", error);
      LLVMDisposeMessage(error);
      abort();
   }

#if 0
   pass = LLVMCreatePassManager();
   LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass);
   /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
    * but there are more on SVN. */
   LLVMAddConstantPropagationPass(pass);
   LLVMAddInstructionCombiningPass(pass);
   LLVMAddPromoteMemoryToRegisterPass(pass);
   LLVMAddGVNPass(pass);
   LLVMAddCFGSimplificationPass(pass);
   LLVMRunPassManager(pass, module);
#else
   (void)pass;
#endif

   if(verbose >= 2)
      LLVMDumpModule(module);

   blend_test_ptr = (blend_test_ptr_t)LLVMGetPointerToGlobal(engine, func);

   if(verbose >= 2)
      lp_disassemble(blend_test_ptr);

   success = TRUE;
   for(i = 0; i < n && success; ++i) {
      if(mode == AoS) {
         ALIGN16_ATTRIB uint8_t src[LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t dst[LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t con[LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t res[LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t ref[LP_NATIVE_VECTOR_WIDTH/8];
         int64_t start_counter = 0;
         int64_t end_counter = 0;

         random_vec(type, src);
         random_vec(type, dst);
         random_vec(type, con);

         {
            double fsrc[LP_MAX_VECTOR_LENGTH];
            double fdst[LP_MAX_VECTOR_LENGTH];
            double fcon[LP_MAX_VECTOR_LENGTH];
            double fref[LP_MAX_VECTOR_LENGTH];

            read_vec(type, src, fsrc);
            read_vec(type, dst, fdst);
            read_vec(type, con, fcon);

            for(j = 0; j < type.length; j += 4)
               compute_blend_ref(blend, fsrc + j, fdst + j, fcon + j, fref + j);

            write_vec(type, ref, fref);
         }

         start_counter = rdtsc();
         blend_test_ptr(src, dst, con, res);
         end_counter = rdtsc();

         cycles[i] = end_counter - start_counter;

         if(!compare_vec(type, res, ref)) {
            success = FALSE;

            if(verbose < 1)
               dump_blend_type(stderr, blend, mode, type);
            fprintf(stderr, "MISMATCH\n");

            fprintf(stderr, "  Src: ");
            dump_vec(stderr, type, src);
            fprintf(stderr, "\n");

            fprintf(stderr, "  Dst: ");
            dump_vec(stderr, type, dst);
            fprintf(stderr, "\n");

            fprintf(stderr, "  Con: ");
            dump_vec(stderr, type, con);
            fprintf(stderr, "\n");

            fprintf(stderr, "  Res: ");
            dump_vec(stderr, type, res);
            fprintf(stderr, "\n");

            fprintf(stderr, "  Ref: ");
            dump_vec(stderr, type, ref);
            fprintf(stderr, "\n");
         }
      }

      if(mode == SoA) {
         const unsigned stride = type.length*type.width/8;
         ALIGN16_ATTRIB uint8_t src[4*LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t dst[4*LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t con[4*LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t res[4*LP_NATIVE_VECTOR_WIDTH/8];
         ALIGN16_ATTRIB uint8_t ref[4*LP_NATIVE_VECTOR_WIDTH/8];
         int64_t start_counter = 0;
         int64_t end_counter = 0;
         boolean mismatch;

         for(j = 0; j < 4; ++j) {
            random_vec(type, src + j*stride);
            random_vec(type, dst + j*stride);
            random_vec(type, con + j*stride);
         }

         {
            double fsrc[4];
            double fdst[4];
            double fcon[4];
            double fref[4];
            unsigned k;

            for(k = 0; k < type.length; ++k) {
               for(j = 0; j < 4; ++j) {
                  fsrc[j] = read_elem(type, src + j*stride, k);
                  fdst[j] = read_elem(type, dst + j*stride, k);
                  fcon[j] = read_elem(type, con + j*stride, k);
               }

               compute_blend_ref(blend, fsrc, fdst, fcon, fref);

               for(j = 0; j < 4; ++j)
                  write_elem(type, ref + j*stride, k, fref[j]);
            }
         }

         start_counter = rdtsc();
         blend_test_ptr(src, dst, con, res);
         end_counter = rdtsc();

         cycles[i] = end_counter - start_counter;

         mismatch = FALSE;
         for (j = 0; j < 4; ++j)
            if(!compare_vec(type, res + j*stride, ref + j*stride))
               mismatch = TRUE;

         if (mismatch) {
            success = FALSE;

            if(verbose < 1)
               dump_blend_type(stderr, blend, mode, type);
            fprintf(stderr, "MISMATCH\n");
            for(j = 0; j < 4; ++j) {
               char channel = "RGBA"[j];
               fprintf(stderr, "  Src%c: ", channel);
               dump_vec(stderr, type, src + j*stride);
               fprintf(stderr, "\n");

               fprintf(stderr, "  Dst%c: ", channel);
               dump_vec(stderr, type, dst + j*stride);
               fprintf(stderr, "\n");

               fprintf(stderr, "  Con%c: ", channel);
               dump_vec(stderr, type, con + j*stride);
               fprintf(stderr, "\n");

               fprintf(stderr, "  Res%c: ", channel);
               dump_vec(stderr, type, res + j*stride);
               fprintf(stderr, "\n");

               fprintf(stderr, "  Ref%c: ", channel);
               dump_vec(stderr, type, ref + j*stride);
               fprintf(stderr, "\n");
            }
         }
      }
   }

   /*
    * Unfortunately the output of cycle counter is not very reliable as it comes
    * -- sometimes we get outliers (due IRQs perhaps?) which are
    * better removed to avoid random or biased data.
    */
   {
      double sum = 0.0, sum2 = 0.0;
      double avg, std;
      unsigned m;

      for(i = 0; i < n; ++i) {
         sum += cycles[i];
         sum2 += cycles[i]*cycles[i];
      }

      avg = sum/n;
      std = sqrtf((sum2 - n*avg*avg)/n);

      m = 0;
      sum = 0.0;
      for(i = 0; i < n; ++i) {
         if(fabs(cycles[i] - avg) <= 4.0*std) {
            sum += cycles[i];
            ++m;
         }
      }

      cycles_avg = sum/m;

   }

   if(fp)
      write_tsv_row(fp, blend, mode, type, cycles_avg, success);

   if (!success) {
      if(verbose < 2)
         LLVMDumpModule(module);
      LLVMWriteBitcodeToFile(module, "blend.bc");
      fprintf(stderr, "blend.bc written\n");
      fprintf(stderr, "Invoke as \"llc -o - blend.bc\"\n");
      abort();
   }

   LLVMFreeMachineCodeForFunction(engine, func);

   LLVMDisposeExecutionEngine(engine);
   if(pass)
      LLVMDisposePassManager(pass);

   return success;
}
PIPE_ALIGN_STACK
static boolean
test_round(unsigned verbose, FILE *fp)
{
   LLVMModuleRef module = NULL;
   LLVMValueRef test_round = NULL, test_trunc, test_floor, test_ceil;
   LLVMExecutionEngineRef engine = lp_build_engine;
   LLVMPassManagerRef pass = NULL;
   char *error = NULL;
   test_round_t round_func, trunc_func, floor_func, ceil_func;
   float unpacked[4];
   unsigned packed;
   boolean success = TRUE;
   int i;

   module = LLVMModuleCreateWithName("test");

   test_round = add_test(module, "round", lp_build_round);
   test_trunc = add_test(module, "trunc", lp_build_trunc);
   test_floor = add_test(module, "floor", lp_build_floor);
   test_ceil = add_test(module, "ceil", lp_build_ceil);

   if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) {
      printf("LLVMVerifyModule: %s\n", error);
      LLVMDumpModule(module);
      abort();
   }
   LLVMDisposeMessage(error);

#if 0
   pass = LLVMCreatePassManager();
   LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass);
   /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
    * but there are more on SVN. */
   LLVMAddConstantPropagationPass(pass);
   LLVMAddInstructionCombiningPass(pass);
   LLVMAddPromoteMemoryToRegisterPass(pass);
   LLVMAddGVNPass(pass);
   LLVMAddCFGSimplificationPass(pass);
   LLVMRunPassManager(pass, module);
#else
   (void)pass;
#endif

   round_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_round));
   trunc_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_trunc));
   floor_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_floor));
   ceil_func = (test_round_t) pointer_to_func(LLVMGetPointerToGlobal(engine, test_ceil));

   memset(unpacked, 0, sizeof unpacked);
   packed = 0;

   if (0)
      LLVMDumpModule(module);

   for (i = 0; i < 3; i++) {
      v4sf xvals[3] = {
         {-10.0, -1, 0, 12.0},
         {-1.5, -0.25, 1.25, 2.5},
         {-0.99, -0.01, 0.01, 0.99}
      };
      v4sf x = xvals[i];
      v4sf y, ref;
      float *xp = (float *) &x;
      float *refp = (float *) &ref;

      printf("\n");
      printv("x            ", x);

      refp[0] = round(xp[0]);
      refp[1] = round(xp[1]);
      refp[2] = round(xp[2]);
      refp[3] = round(xp[3]);
      y = round_func(x);
      printv("C round(x)   ", ref);
      printv("LLVM round(x)", y);
      compare(ref, y);

      refp[0] = trunc(xp[0]);
      refp[1] = trunc(xp[1]);
      refp[2] = trunc(xp[2]);
      refp[3] = trunc(xp[3]);
      y = trunc_func(x);
      printv("C trunc(x)   ", ref);
      printv("LLVM trunc(x)", y);
      compare(ref, y);

      refp[0] = floor(xp[0]);
      refp[1] = floor(xp[1]);
      refp[2] = floor(xp[2]);
      refp[3] = floor(xp[3]);
      y = floor_func(x);
      printv("C floor(x)   ", ref);
      printv("LLVM floor(x)", y);
      compare(ref, y);

      refp[0] = ceil(xp[0]);
      refp[1] = ceil(xp[1]);
      refp[2] = ceil(xp[2]);
      refp[3] = ceil(xp[3]);
      y = ceil_func(x);
      printv("C ceil(x)    ", ref);
      printv("LLVM ceil(x) ", y);
      compare(ref, y);
   }

   LLVMFreeMachineCodeForFunction(engine, test_round);
   LLVMFreeMachineCodeForFunction(engine, test_trunc);
   LLVMFreeMachineCodeForFunction(engine, test_floor);
   LLVMFreeMachineCodeForFunction(engine, test_ceil);

   LLVMDisposeExecutionEngine(engine);
   if(pass)
      LLVMDisposePassManager(pass);

   return success;
}
Example #10
0
PIPE_ALIGN_STACK
static boolean
test_one(unsigned verbose,
         FILE *fp,
         struct lp_type src_type,
         struct lp_type dst_type)
{
   LLVMModuleRef module = NULL;
   LLVMValueRef func = NULL;
   LLVMExecutionEngineRef engine = NULL;
   LLVMModuleProviderRef provider = NULL;
   LLVMPassManagerRef pass = NULL;
   char *error = NULL;
   conv_test_ptr_t conv_test_ptr;
   boolean success;
   const unsigned n = LP_TEST_NUM_SAMPLES;
   int64_t cycles[LP_TEST_NUM_SAMPLES];
   double cycles_avg = 0.0;
   unsigned num_srcs;
   unsigned num_dsts;
   double eps;
   unsigned i, j;

   if(verbose >= 1)
      dump_conv_types(stdout, src_type, dst_type);

   if(src_type.length > dst_type.length) {
      num_srcs = 1;
      num_dsts = src_type.length/dst_type.length;
   }
   else  {
      num_dsts = 1;
      num_srcs = dst_type.length/src_type.length;
   }

   assert(src_type.width * src_type.length == dst_type.width * dst_type.length);

   /* We must not loose or gain channels. Only precision */
   assert(src_type.length * num_srcs == dst_type.length * num_dsts);

   eps = MAX2(lp_const_eps(src_type), lp_const_eps(dst_type));

   module = LLVMModuleCreateWithName("test");

   func = add_conv_test(module, src_type, num_srcs, dst_type, num_dsts);

   if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) {
      LLVMDumpModule(module);
      abort();
   }
   LLVMDisposeMessage(error);

   provider = LLVMCreateModuleProviderForExistingModule(module);
   if (LLVMCreateJITCompiler(&engine, provider, 1, &error)) {
      if(verbose < 1)
         dump_conv_types(stderr, src_type, dst_type);
      fprintf(stderr, "%s\n", error);
      LLVMDisposeMessage(error);
      abort();
   }

#if 0
   pass = LLVMCreatePassManager();
   LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass);
   /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
    * but there are more on SVN. */
   LLVMAddConstantPropagationPass(pass);
   LLVMAddInstructionCombiningPass(pass);
   LLVMAddPromoteMemoryToRegisterPass(pass);
   LLVMAddGVNPass(pass);
   LLVMAddCFGSimplificationPass(pass);
   LLVMRunPassManager(pass, module);
#else
   (void)pass;
#endif

   if(verbose >= 2)
      LLVMDumpModule(module);

   conv_test_ptr = (conv_test_ptr_t)LLVMGetPointerToGlobal(engine, func);

   if(verbose >= 2)
      lp_disassemble(conv_test_ptr);

   success = TRUE;
   for(i = 0; i < n && success; ++i) {
      unsigned src_stride = src_type.length*src_type.width/8;
      unsigned dst_stride = dst_type.length*dst_type.width/8;
      PIPE_ALIGN_VAR(16) uint8_t src[LP_MAX_VECTOR_LENGTH*LP_MAX_VECTOR_LENGTH];
      PIPE_ALIGN_VAR(16) uint8_t dst[LP_MAX_VECTOR_LENGTH*LP_MAX_VECTOR_LENGTH];
      double fref[LP_MAX_VECTOR_LENGTH*LP_MAX_VECTOR_LENGTH];
      uint8_t ref[LP_MAX_VECTOR_LENGTH*LP_MAX_VECTOR_LENGTH];
      int64_t start_counter = 0;
      int64_t end_counter = 0;

      for(j = 0; j < num_srcs; ++j) {
         random_vec(src_type, src + j*src_stride);
         read_vec(src_type, src + j*src_stride, fref + j*src_type.length);
      }

      for(j = 0; j < num_dsts; ++j) {
         write_vec(dst_type, ref + j*dst_stride, fref + j*dst_type.length);
      }

      start_counter = rdtsc();
      conv_test_ptr(src, dst);
      end_counter = rdtsc();

      cycles[i] = end_counter - start_counter;

      for(j = 0; j < num_dsts; ++j) {
         if(!compare_vec_with_eps(dst_type, dst + j*dst_stride, ref + j*dst_stride, eps))
            success = FALSE;
      }

      if (!success) {
         if(verbose < 1)
            dump_conv_types(stderr, src_type, dst_type);
         fprintf(stderr, "MISMATCH\n");

         for(j = 0; j < num_srcs; ++j) {
            fprintf(stderr, "  Src%u: ", j);
            dump_vec(stderr, src_type, src + j*src_stride);
            fprintf(stderr, "\n");
         }

#if 1
         fprintf(stderr, "  Ref: ");
         for(j = 0; j < src_type.length*num_srcs; ++j)
            fprintf(stderr, " %f", fref[j]);
         fprintf(stderr, "\n");
#endif

         for(j = 0; j < num_dsts; ++j) {
            fprintf(stderr, "  Dst%u: ", j);
            dump_vec(stderr, dst_type, dst + j*dst_stride);
            fprintf(stderr, "\n");

            fprintf(stderr, "  Ref%u: ", j);
            dump_vec(stderr, dst_type, ref + j*dst_stride);
            fprintf(stderr, "\n");
         }
      }
   }

   /*
    * Unfortunately the output of cycle counter is not very reliable as it comes
    * -- sometimes we get outliers (due IRQs perhaps?) which are
    * better removed to avoid random or biased data.
    */
   {
      double sum = 0.0, sum2 = 0.0;
      double avg, std;
      unsigned m;

      for(i = 0; i < n; ++i) {
         sum += cycles[i];
         sum2 += cycles[i]*cycles[i];
      }

      avg = sum/n;
      std = sqrtf((sum2 - n*avg*avg)/n);

      m = 0;
      sum = 0.0;
      for(i = 0; i < n; ++i) {
         if(fabs(cycles[i] - avg) <= 4.0*std) {
            sum += cycles[i];
            ++m;
         }
      }

      cycles_avg = sum/m;

   }

   if(fp)
      write_tsv_row(fp, src_type, dst_type, cycles_avg, success);

   if (!success) {
      static boolean firsttime = TRUE;
      if(firsttime) {
         if(verbose < 2)
            LLVMDumpModule(module);
         LLVMWriteBitcodeToFile(module, "conv.bc");
         fprintf(stderr, "conv.bc written\n");
         fprintf(stderr, "Invoke as \"llc -o - conv.bc\"\n");
         firsttime = FALSE;
         /* abort(); */
      }
   }

   LLVMFreeMachineCodeForFunction(engine, func);

   LLVMDisposeExecutionEngine(engine);
   if(pass)
      LLVMDisposePassManager(pass);

   return success;
}