/**************************************************************************
|
*
|
* Copyright 2009 VMware, Inc.
|
* All Rights Reserved.
|
*
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
* copy of this software and associated documentation files (the
|
* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
|
* distribute, sub license, and/or sell copies of the Software, and to
|
* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
|
*
|
* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
|
*
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
*
|
**************************************************************************/
|
|
|
#include "pipe/p_config.h"
|
#include "pipe/p_compiler.h"
|
#include "util/u_cpu_detect.h"
|
#include "util/u_debug.h"
|
#include "util/u_memory.h"
|
#include "util/simple_list.h"
|
#include "util/os_time.h"
|
#include "lp_bld.h"
|
#include "lp_bld_debug.h"
|
#include "lp_bld_misc.h"
|
#include "lp_bld_init.h"
|
|
#include <llvm-c/Analysis.h>
|
#include <llvm-c/Transforms/Scalar.h>
|
#include <llvm-c/BitWriter.h>
|
|
|
/* Only MCJIT is available as of LLVM SVN r216982 */
|
#if HAVE_LLVM >= 0x0306
|
# define USE_MCJIT 1
|
#elif defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390) || defined(PIPE_ARCH_ARM) || defined(PIPE_ARCH_AARCH64)
|
# define USE_MCJIT 1
|
#endif
|
|
#if defined(USE_MCJIT)
|
static const bool use_mcjit = USE_MCJIT;
|
#else
|
static bool use_mcjit = FALSE;
|
#endif
|
|
|
#ifdef DEBUG
|
unsigned gallivm_debug = 0;
|
|
static const struct debug_named_value lp_bld_debug_flags[] = {
|
{ "tgsi", GALLIVM_DEBUG_TGSI, NULL },
|
{ "ir", GALLIVM_DEBUG_IR, NULL },
|
{ "asm", GALLIVM_DEBUG_ASM, NULL },
|
{ "nopt", GALLIVM_DEBUG_NO_OPT, NULL },
|
{ "perf", GALLIVM_DEBUG_PERF, NULL },
|
{ "no_brilinear", GALLIVM_DEBUG_NO_BRILINEAR, NULL },
|
{ "no_rho_approx", GALLIVM_DEBUG_NO_RHO_APPROX, NULL },
|
{ "no_quad_lod", GALLIVM_DEBUG_NO_QUAD_LOD, NULL },
|
{ "gc", GALLIVM_DEBUG_GC, NULL },
|
{ "dumpbc", GALLIVM_DEBUG_DUMP_BC, NULL },
|
DEBUG_NAMED_VALUE_END
|
};
|
|
DEBUG_GET_ONCE_FLAGS_OPTION(gallivm_debug, "GALLIVM_DEBUG", lp_bld_debug_flags, 0)
|
#endif
|
|
|
static boolean gallivm_initialized = FALSE;
|
|
unsigned lp_native_vector_width;
|
|
|
/*
|
* Optimization values are:
|
* - 0: None (-O0)
|
* - 1: Less (-O1)
|
* - 2: Default (-O2, -Os)
|
* - 3: Aggressive (-O3)
|
*
|
* See also CodeGenOpt::Level in llvm/Target/TargetMachine.h
|
*/
|
enum LLVM_CodeGenOpt_Level {
|
None, // -O0
|
Less, // -O1
|
Default, // -O2, -Os
|
Aggressive // -O3
|
};
|
|
|
/**
|
* Create the LLVM (optimization) pass manager and install
|
* relevant optimization passes.
|
* \return TRUE for success, FALSE for failure
|
*/
|
static boolean
|
create_pass_manager(struct gallivm_state *gallivm)
|
{
|
assert(!gallivm->passmgr);
|
assert(gallivm->target);
|
|
gallivm->passmgr = LLVMCreateFunctionPassManagerForModule(gallivm->module);
|
if (!gallivm->passmgr)
|
return FALSE;
|
/*
|
* TODO: some per module pass manager with IPO passes might be helpful -
|
* the generated texture functions may benefit from inlining if they are
|
* simple, or constant propagation into them, etc.
|
*/
|
|
#if HAVE_LLVM < 0x0309
|
// Old versions of LLVM get the DataLayout from the pass manager.
|
LLVMAddTargetData(gallivm->target, gallivm->passmgr);
|
#endif
|
|
{
|
char *td_str;
|
// New ones from the Module.
|
td_str = LLVMCopyStringRepOfTargetData(gallivm->target);
|
LLVMSetDataLayout(gallivm->module, td_str);
|
free(td_str);
|
}
|
|
if ((gallivm_debug & GALLIVM_DEBUG_NO_OPT) == 0) {
|
/* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
|
* but there are more on SVN.
|
* TODO: Add more passes.
|
*/
|
LLVMAddScalarReplAggregatesPass(gallivm->passmgr);
|
LLVMAddLICMPass(gallivm->passmgr);
|
LLVMAddCFGSimplificationPass(gallivm->passmgr);
|
LLVMAddReassociatePass(gallivm->passmgr);
|
LLVMAddPromoteMemoryToRegisterPass(gallivm->passmgr);
|
LLVMAddConstantPropagationPass(gallivm->passmgr);
|
LLVMAddInstructionCombiningPass(gallivm->passmgr);
|
LLVMAddGVNPass(gallivm->passmgr);
|
}
|
else {
|
/* We need at least this pass to prevent the backends to fail in
|
* unexpected ways.
|
*/
|
LLVMAddPromoteMemoryToRegisterPass(gallivm->passmgr);
|
}
|
|
return TRUE;
|
}
|
|
|
/**
|
* Free gallivm object's LLVM allocations, but not any generated code
|
* nor the gallivm object itself.
|
*/
|
void
|
gallivm_free_ir(struct gallivm_state *gallivm)
|
{
|
if (gallivm->passmgr) {
|
LLVMDisposePassManager(gallivm->passmgr);
|
}
|
|
if (gallivm->engine) {
|
/* This will already destroy any associated module */
|
LLVMDisposeExecutionEngine(gallivm->engine);
|
} else if (gallivm->module) {
|
LLVMDisposeModule(gallivm->module);
|
}
|
|
FREE(gallivm->module_name);
|
|
if (!use_mcjit) {
|
/* Don't free the TargetData, it's owned by the exec engine */
|
} else {
|
if (gallivm->target) {
|
LLVMDisposeTargetData(gallivm->target);
|
}
|
}
|
|
if (gallivm->builder)
|
LLVMDisposeBuilder(gallivm->builder);
|
|
/* The LLVMContext should be owned by the parent of gallivm. */
|
|
gallivm->engine = NULL;
|
gallivm->target = NULL;
|
gallivm->module = NULL;
|
gallivm->module_name = NULL;
|
gallivm->passmgr = NULL;
|
gallivm->context = NULL;
|
gallivm->builder = NULL;
|
}
|
|
|
/**
|
* Free LLVM-generated code. Should be done AFTER gallivm_free_ir().
|
*/
|
static void
|
gallivm_free_code(struct gallivm_state *gallivm)
|
{
|
assert(!gallivm->module);
|
assert(!gallivm->engine);
|
lp_free_generated_code(gallivm->code);
|
gallivm->code = NULL;
|
lp_free_memory_manager(gallivm->memorymgr);
|
gallivm->memorymgr = NULL;
|
}
|
|
|
static boolean
|
init_gallivm_engine(struct gallivm_state *gallivm)
|
{
|
if (1) {
|
enum LLVM_CodeGenOpt_Level optlevel;
|
char *error = NULL;
|
int ret;
|
|
if (gallivm_debug & GALLIVM_DEBUG_NO_OPT) {
|
optlevel = None;
|
}
|
else {
|
optlevel = Default;
|
}
|
|
ret = lp_build_create_jit_compiler_for_module(&gallivm->engine,
|
&gallivm->code,
|
gallivm->module,
|
gallivm->memorymgr,
|
(unsigned) optlevel,
|
use_mcjit,
|
&error);
|
if (ret) {
|
_debug_printf("%s\n", error);
|
LLVMDisposeMessage(error);
|
goto fail;
|
}
|
}
|
|
if (!use_mcjit) {
|
gallivm->target = LLVMGetExecutionEngineTargetData(gallivm->engine);
|
if (!gallivm->target)
|
goto fail;
|
} else {
|
if (0) {
|
/*
|
* Dump the data layout strings.
|
*/
|
|
LLVMTargetDataRef target = LLVMGetExecutionEngineTargetData(gallivm->engine);
|
char *data_layout;
|
char *engine_data_layout;
|
|
data_layout = LLVMCopyStringRepOfTargetData(gallivm->target);
|
engine_data_layout = LLVMCopyStringRepOfTargetData(target);
|
|
if (1) {
|
debug_printf("module target data = %s\n", data_layout);
|
debug_printf("engine target data = %s\n", engine_data_layout);
|
}
|
|
free(data_layout);
|
free(engine_data_layout);
|
}
|
}
|
|
return TRUE;
|
|
fail:
|
return FALSE;
|
}
|
|
|
/**
|
* Allocate gallivm LLVM objects.
|
* \return TRUE for success, FALSE for failure
|
*/
|
static boolean
|
init_gallivm_state(struct gallivm_state *gallivm, const char *name,
|
LLVMContextRef context)
|
{
|
assert(!gallivm->context);
|
assert(!gallivm->module);
|
|
if (!lp_build_init())
|
return FALSE;
|
|
gallivm->context = context;
|
|
if (!gallivm->context)
|
goto fail;
|
|
gallivm->module_name = NULL;
|
if (name) {
|
size_t size = strlen(name) + 1;
|
gallivm->module_name = MALLOC(size);
|
if (gallivm->module_name) {
|
memcpy(gallivm->module_name, name, size);
|
}
|
}
|
|
gallivm->module = LLVMModuleCreateWithNameInContext(name,
|
gallivm->context);
|
if (!gallivm->module)
|
goto fail;
|
|
gallivm->builder = LLVMCreateBuilderInContext(gallivm->context);
|
if (!gallivm->builder)
|
goto fail;
|
|
gallivm->memorymgr = lp_get_default_memory_manager();
|
if (!gallivm->memorymgr)
|
goto fail;
|
|
/* FIXME: MC-JIT only allows compiling one module at a time, and it must be
|
* complete when MC-JIT is created. So defer the MC-JIT engine creation for
|
* now.
|
*/
|
if (!use_mcjit) {
|
if (!init_gallivm_engine(gallivm)) {
|
goto fail;
|
}
|
} else {
|
/*
|
* MC-JIT engine compiles the module immediately on creation, so we can't
|
* obtain the target data from it. Instead we create a target data layout
|
* from a string.
|
*
|
* The produced layout strings are not precisely the same, but should make
|
* no difference for the kind of optimization passes we run.
|
*
|
* For reference this is the layout string on x64:
|
*
|
* e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64
|
*
|
* See also:
|
* - http://llvm.org/docs/LangRef.html#datalayout
|
*/
|
|
{
|
const unsigned pointer_size = 8 * sizeof(void *);
|
char layout[512];
|
util_snprintf(layout, sizeof layout, "%c-p:%u:%u:%u-i64:64:64-a0:0:%u-s0:%u:%u",
|
#ifdef PIPE_ARCH_LITTLE_ENDIAN
|
'e', // little endian
|
#else
|
'E', // big endian
|
#endif
|
pointer_size, pointer_size, pointer_size, // pointer size, abi alignment, preferred alignment
|
pointer_size, // aggregate preferred alignment
|
pointer_size, pointer_size); // stack objects abi alignment, preferred alignment
|
|
gallivm->target = LLVMCreateTargetData(layout);
|
if (!gallivm->target) {
|
return FALSE;
|
}
|
}
|
}
|
|
if (!create_pass_manager(gallivm))
|
goto fail;
|
|
return TRUE;
|
|
fail:
|
gallivm_free_ir(gallivm);
|
gallivm_free_code(gallivm);
|
return FALSE;
|
}
|
|
|
boolean
|
lp_build_init(void)
|
{
|
if (gallivm_initialized)
|
return TRUE;
|
|
|
/* LLVMLinkIn* are no-ops at runtime. They just ensure the respective
|
* component is linked at buildtime, which is sufficient for its static
|
* constructors to be called at load time.
|
*/
|
#if defined(USE_MCJIT)
|
# if USE_MCJIT
|
LLVMLinkInMCJIT();
|
# else
|
LLVMLinkInJIT();
|
# endif
|
#else
|
use_mcjit = debug_get_bool_option("GALLIVM_MCJIT", FALSE);
|
LLVMLinkInJIT();
|
LLVMLinkInMCJIT();
|
#endif
|
|
#ifdef DEBUG
|
gallivm_debug = debug_get_option_gallivm_debug();
|
#endif
|
|
lp_set_target_options();
|
|
util_cpu_detect();
|
|
/* For simulating less capable machines */
|
#ifdef DEBUG
|
if (debug_get_bool_option("LP_FORCE_SSE2", FALSE)) {
|
assert(util_cpu_caps.has_sse2);
|
util_cpu_caps.has_sse3 = 0;
|
util_cpu_caps.has_ssse3 = 0;
|
util_cpu_caps.has_sse4_1 = 0;
|
util_cpu_caps.has_sse4_2 = 0;
|
util_cpu_caps.has_avx = 0;
|
util_cpu_caps.has_avx2 = 0;
|
util_cpu_caps.has_f16c = 0;
|
util_cpu_caps.has_fma = 0;
|
}
|
#endif
|
|
/* AMD Bulldozer AVX's throughput is the same as SSE2; and because using
|
* 8-wide vector needs more floating ops than 4-wide (due to padding), it is
|
* actually more efficient to use 4-wide vectors on this processor.
|
*
|
* See also:
|
* - http://www.anandtech.com/show/4955/the-bulldozer-review-amd-fx8150-tested/2
|
*/
|
if (util_cpu_caps.has_avx &&
|
util_cpu_caps.has_intel) {
|
lp_native_vector_width = 256;
|
} else {
|
/* Leave it at 128, even when no SIMD extensions are available.
|
* Really needs to be a multiple of 128 so can fit 4 floats.
|
*/
|
lp_native_vector_width = 128;
|
}
|
|
lp_native_vector_width = debug_get_num_option("LP_NATIVE_VECTOR_WIDTH",
|
lp_native_vector_width);
|
|
if (lp_native_vector_width <= 128) {
|
/* Hide AVX support, as often LLVM AVX intrinsics are only guarded by
|
* "util_cpu_caps.has_avx" predicate, and lack the
|
* "lp_native_vector_width > 128" predicate. And also to ensure a more
|
* consistent behavior, allowing one to test SSE2 on AVX machines.
|
* XXX: should not play games with util_cpu_caps directly as it might
|
* get used for other things outside llvm too.
|
*/
|
util_cpu_caps.has_avx = 0;
|
util_cpu_caps.has_avx2 = 0;
|
util_cpu_caps.has_f16c = 0;
|
util_cpu_caps.has_fma = 0;
|
}
|
if (HAVE_LLVM < 0x0304 || !use_mcjit) {
|
/* AVX2 support has only been tested with LLVM 3.4, and it requires
|
* MCJIT. */
|
util_cpu_caps.has_avx2 = 0;
|
}
|
|
#ifdef PIPE_ARCH_PPC_64
|
/* Set the NJ bit in VSCR to 0 so denormalized values are handled as
|
* specified by IEEE standard (PowerISA 2.06 - Section 6.3). This guarantees
|
* that some rounding and half-float to float handling does not round
|
* incorrectly to 0.
|
* XXX: should eventually follow same logic on all platforms.
|
* Right now denorms get explicitly disabled (but elsewhere) for x86,
|
* whereas ppc64 explicitly enables them...
|
*/
|
if (util_cpu_caps.has_altivec) {
|
unsigned short mask[] = { 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
|
0xFFFF, 0xFFFF, 0xFFFE, 0xFFFF };
|
__asm (
|
"mfvscr %%v1\n"
|
"vand %0,%%v1,%0\n"
|
"mtvscr %0"
|
:
|
: "r" (*mask)
|
);
|
}
|
#endif
|
|
gallivm_initialized = TRUE;
|
|
return TRUE;
|
}
|
|
|
|
/**
|
* Create a new gallivm_state object.
|
*/
|
struct gallivm_state *
|
gallivm_create(const char *name, LLVMContextRef context)
|
{
|
struct gallivm_state *gallivm;
|
|
gallivm = CALLOC_STRUCT(gallivm_state);
|
if (gallivm) {
|
if (!init_gallivm_state(gallivm, name, context)) {
|
FREE(gallivm);
|
gallivm = NULL;
|
}
|
}
|
|
return gallivm;
|
}
|
|
|
/**
|
* Destroy a gallivm_state object.
|
*/
|
void
|
gallivm_destroy(struct gallivm_state *gallivm)
|
{
|
gallivm_free_ir(gallivm);
|
gallivm_free_code(gallivm);
|
FREE(gallivm);
|
}
|
|
|
/**
|
* Validate a function.
|
* Verification is only done with debug builds.
|
*/
|
void
|
gallivm_verify_function(struct gallivm_state *gallivm,
|
LLVMValueRef func)
|
{
|
/* Verify the LLVM IR. If invalid, dump and abort */
|
#ifdef DEBUG
|
if (LLVMVerifyFunction(func, LLVMPrintMessageAction)) {
|
lp_debug_dump_value(func);
|
assert(0);
|
return;
|
}
|
#endif
|
|
if (gallivm_debug & GALLIVM_DEBUG_IR) {
|
/* Print the LLVM IR to stderr */
|
lp_debug_dump_value(func);
|
debug_printf("\n");
|
}
|
}
|
|
|
/**
|
* Compile a module.
|
* This does IR optimization on all functions in the module.
|
*/
|
void
|
gallivm_compile_module(struct gallivm_state *gallivm)
|
{
|
LLVMValueRef func;
|
int64_t time_begin = 0;
|
|
assert(!gallivm->compiled);
|
|
if (gallivm->builder) {
|
LLVMDisposeBuilder(gallivm->builder);
|
gallivm->builder = NULL;
|
}
|
|
if (gallivm_debug & GALLIVM_DEBUG_PERF)
|
time_begin = os_time_get();
|
|
/* Run optimization passes */
|
LLVMInitializeFunctionPassManager(gallivm->passmgr);
|
func = LLVMGetFirstFunction(gallivm->module);
|
while (func) {
|
if (0) {
|
debug_printf("optimizing func %s...\n", LLVMGetValueName(func));
|
}
|
|
/* Disable frame pointer omission on debug/profile builds */
|
/* XXX: And workaround http://llvm.org/PR21435 */
|
#if HAVE_LLVM >= 0x0307 && \
|
(defined(DEBUG) || defined(PROFILE) || \
|
defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64))
|
LLVMAddTargetDependentFunctionAttr(func, "no-frame-pointer-elim", "true");
|
LLVMAddTargetDependentFunctionAttr(func, "no-frame-pointer-elim-non-leaf", "true");
|
#endif
|
|
LLVMRunFunctionPassManager(gallivm->passmgr, func);
|
func = LLVMGetNextFunction(func);
|
}
|
LLVMFinalizeFunctionPassManager(gallivm->passmgr);
|
|
if (gallivm_debug & GALLIVM_DEBUG_PERF) {
|
int64_t time_end = os_time_get();
|
int time_msec = (int)(time_end - time_begin) / 1000;
|
assert(gallivm->module_name);
|
debug_printf("optimizing module %s took %d msec\n",
|
gallivm->module_name, time_msec);
|
}
|
|
/* Dump byte code to a file */
|
if (gallivm_debug & GALLIVM_DEBUG_DUMP_BC) {
|
char filename[256];
|
assert(gallivm->module_name);
|
util_snprintf(filename, sizeof(filename), "ir_%s.bc", gallivm->module_name);
|
LLVMWriteBitcodeToFile(gallivm->module, filename);
|
debug_printf("%s written\n", filename);
|
debug_printf("Invoke as \"llc %s%s -o - %s\"\n",
|
(HAVE_LLVM >= 0x0305) ? "[-mcpu=<-mcpu option>] " : "",
|
"[-mattr=<-mattr option(s)>]",
|
filename);
|
}
|
|
if (use_mcjit) {
|
/* Setting the module's DataLayout to an empty string will cause the
|
* ExecutionEngine to copy to the DataLayout string from its target
|
* machine to the module. As of LLVM 3.8 the module and the execution
|
* engine are required to have the same DataLayout.
|
*
|
* We must make sure we do this after running the optimization passes,
|
* because those passes need a correct datalayout string. For example,
|
* if those optimization passes see an empty datalayout, they will assume
|
* this is a little endian target and will do optimizations that break big
|
* endian machines.
|
*
|
* TODO: This is just a temporary work-around. The correct solution is
|
* for gallivm_init_state() to create a TargetMachine and pull the
|
* DataLayout from there. Currently, the TargetMachine used by llvmpipe
|
* is being implicitly created by the EngineBuilder in
|
* lp_build_create_jit_compiler_for_module()
|
*/
|
LLVMSetDataLayout(gallivm->module, "");
|
assert(!gallivm->engine);
|
if (!init_gallivm_engine(gallivm)) {
|
assert(0);
|
}
|
}
|
assert(gallivm->engine);
|
|
++gallivm->compiled;
|
|
if (gallivm_debug & GALLIVM_DEBUG_ASM) {
|
LLVMValueRef llvm_func = LLVMGetFirstFunction(gallivm->module);
|
|
while (llvm_func) {
|
/*
|
* Need to filter out functions which don't have an implementation,
|
* such as the intrinsics. May not be sufficient in case of IPO?
|
* LLVMGetPointerToGlobal() will abort otherwise.
|
*/
|
if (!LLVMIsDeclaration(llvm_func)) {
|
void *func_code = LLVMGetPointerToGlobal(gallivm->engine, llvm_func);
|
lp_disassemble(llvm_func, func_code);
|
}
|
llvm_func = LLVMGetNextFunction(llvm_func);
|
}
|
}
|
|
#if defined(PROFILE)
|
{
|
LLVMValueRef llvm_func = LLVMGetFirstFunction(gallivm->module);
|
|
while (llvm_func) {
|
if (!LLVMIsDeclaration(llvm_func)) {
|
void *func_code = LLVMGetPointerToGlobal(gallivm->engine, llvm_func);
|
lp_profile(llvm_func, func_code);
|
}
|
llvm_func = LLVMGetNextFunction(llvm_func);
|
}
|
}
|
#endif
|
}
|
|
|
|
func_pointer
|
gallivm_jit_function(struct gallivm_state *gallivm,
|
LLVMValueRef func)
|
{
|
void *code;
|
func_pointer jit_func;
|
int64_t time_begin = 0;
|
|
assert(gallivm->compiled);
|
assert(gallivm->engine);
|
|
if (gallivm_debug & GALLIVM_DEBUG_PERF)
|
time_begin = os_time_get();
|
|
code = LLVMGetPointerToGlobal(gallivm->engine, func);
|
assert(code);
|
jit_func = pointer_to_func(code);
|
|
if (gallivm_debug & GALLIVM_DEBUG_PERF) {
|
int64_t time_end = os_time_get();
|
int time_msec = (int)(time_end - time_begin) / 1000;
|
debug_printf(" jitting func %s took %d msec\n",
|
LLVMGetValueName(func), time_msec);
|
}
|
|
return jit_func;
|
}
|
