gallivm: Fix build after removal of deprecated attribute API v3

v2:
  Fix adding parameter attributes with LLVM < 4.0.

v3:
  Fix typo.
  Fix parameter index.
  Add a gallivm enum for function attributes.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Tom Stellard 2016-11-07 18:35:09 +00:00
parent fb50245ac1
commit 8bdd52c8f3
6 changed files with 138 additions and 52 deletions

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@ -1568,8 +1568,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant,
LLVMSetFunctionCallConv(variant_func, LLVMCCallConv);
for (i = 0; i < num_arg_types; ++i)
if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind)
LLVMAddAttribute(LLVMGetParam(variant_func, i),
LLVMNoAliasAttribute);
lp_add_function_attr(variant_func, i + 1, LP_FUNC_ATTR_NOALIAS);
context_ptr = LLVMGetParam(variant_func, 0);
io_ptr = LLVMGetParam(variant_func, 1);
@ -2193,8 +2192,7 @@ draw_gs_llvm_generate(struct draw_llvm *llvm,
for (i = 0; i < ARRAY_SIZE(arg_types); ++i)
if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind)
LLVMAddAttribute(LLVMGetParam(variant_func, i),
LLVMNoAliasAttribute);
lp_add_function_attr(variant_func, i + 1, LP_FUNC_ATTR_NOALIAS);
context_ptr = LLVMGetParam(variant_func, 0);
input_array = LLVMGetParam(variant_func, 1);

View File

@ -46,6 +46,7 @@
#include "util/u_debug.h"
#include "util/u_string.h"
#include "util/bitscan.h"
#include "lp_bld_const.h"
#include "lp_bld_intr.h"
@ -120,13 +121,73 @@ lp_declare_intrinsic(LLVMModuleRef module,
}
#if HAVE_LLVM < 0x0400
static LLVMAttribute lp_attr_to_llvm_attr(enum lp_func_attr attr)
{
switch (attr) {
case LP_FUNC_ATTR_ALWAYSINLINE: return LLVMAlwaysInlineAttribute;
case LP_FUNC_ATTR_BYVAL: return LLVMByValAttribute;
case LP_FUNC_ATTR_INREG: return LLVMInRegAttribute;
case LP_FUNC_ATTR_NOALIAS: return LLVMNoAliasAttribute;
case LP_FUNC_ATTR_NOUNWIND: return LLVMNoUnwindAttribute;
case LP_FUNC_ATTR_READNONE: return LLVMReadNoneAttribute;
case LP_FUNC_ATTR_READONLY: return LLVMReadOnlyAttribute;
default:
_debug_printf("Unhandled function attribute: %x\n", attr);
return 0;
}
}
#else
static const char *attr_to_str(enum lp_func_attr attr)
{
switch (attr) {
case LP_FUNC_ATTR_ALWAYSINLINE: return "alwaysinline";
case LP_FUNC_ATTR_BYVAL: return "byval";
case LP_FUNC_ATTR_INREG: return "inreg";
case LP_FUNC_ATTR_NOALIAS: return "noalias";
case LP_FUNC_ATTR_NOUNWIND: return "nounwind";
case LP_FUNC_ATTR_READNONE: return "readnone";
case LP_FUNC_ATTR_READONLY: return "readonly";
default:
_debug_printf("Unhandled function attribute: %x\n", attr);
return 0;
}
}
#endif
void
lp_add_function_attr(LLVMValueRef function,
int attr_idx,
enum lp_func_attr attr)
{
#if HAVE_LLVM < 0x0400
LLVMAttribute llvm_attr = lp_attr_to_llvm_attr(attr);
if (attr_idx == -1) {
LLVMAddFunctionAttr(function, llvm_attr);
} else {
LLVMAddAttribute(LLVMGetParam(function, attr_idx - 1), llvm_attr);
}
#else
LLVMContextRef context = LLVMGetModuleContext(LLVMGetGlobalParent(function));
const char *attr_name = attr_to_str(attr);
unsigned kind_id = LLVMGetEnumAttributeKindForName(attr_name,
strlen(attr_name));
LLVMAttributeRef llvm_attr = LLVMCreateEnumAttribute(context, kind_id, 0);
LLVMAddAttributeAtIndex(function, attr_idx, llvm_attr);
#endif
}
LLVMValueRef
lp_build_intrinsic(LLVMBuilderRef builder,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef *args,
unsigned num_args,
LLVMAttribute attr)
unsigned attr_mask)
{
LLVMModuleRef module = LLVMGetGlobalParent(LLVMGetBasicBlockParent(LLVMGetInsertBlock(builder)));
LLVMValueRef function;
@ -148,7 +209,12 @@ lp_build_intrinsic(LLVMBuilderRef builder,
/* NoUnwind indicates that the intrinsic never raises a C++ exception.
* Set it for all intrinsics.
*/
LLVMAddFunctionAttr(function, attr | LLVMNoUnwindAttribute);
attr_mask |= LP_FUNC_ATTR_NOUNWIND;
while (attr_mask) {
enum lp_func_attr attr = 1 << u_bit_scan(&attr_mask);
lp_add_function_attr(function, -1, attr);
}
if (gallivm_debug & GALLIVM_DEBUG_IR) {
lp_debug_dump_value(function);

View File

@ -46,6 +46,16 @@
*/
#define LP_MAX_FUNC_ARGS 32
enum lp_func_attr {
LP_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
LP_FUNC_ATTR_BYVAL = (1 << 1),
LP_FUNC_ATTR_INREG = (1 << 2),
LP_FUNC_ATTR_NOALIAS = (1 << 3),
LP_FUNC_ATTR_NOUNWIND = (1 << 4),
LP_FUNC_ATTR_READNONE = (1 << 5),
LP_FUNC_ATTR_READONLY = (1 << 6),
LP_FUNC_ATTR_LAST = (1 << 7)
};
void
lp_format_intrinsic(char *name,
@ -60,13 +70,18 @@ lp_declare_intrinsic(LLVMModuleRef module,
LLVMTypeRef *arg_types,
unsigned num_args);
void
lp_add_function_attr(LLVMValueRef function,
int attr_idx,
enum lp_func_attr attr);
LLVMValueRef
lp_build_intrinsic(LLVMBuilderRef builder,
const char *name,
LLVMTypeRef ret_type,
LLVMValueRef *args,
unsigned num_args,
LLVMAttribute attr);
unsigned attr_mask);
LLVMValueRef

View File

@ -60,6 +60,7 @@
#include "lp_bld_struct.h"
#include "lp_bld_quad.h"
#include "lp_bld_pack.h"
#include "lp_bld_intr.h"
/**
@ -3316,7 +3317,8 @@ lp_build_sample_soa_func(struct gallivm_state *gallivm,
for (i = 0; i < num_param; ++i) {
if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) {
LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute);
lp_add_function_attr(function, i + 1, LP_FUNC_ATTR_NOALIAS);
}
}

View File

@ -407,7 +407,7 @@ static void declare_input_vs(
args[2] = buffer_index;
input = lp_build_intrinsic(gallivm->builder,
"llvm.SI.vs.load.input", ctx->v4f32, args, 3,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
/* Break up the vec4 into individual components */
for (chan = 0; chan < 4; chan++) {
@ -841,7 +841,7 @@ static LLVMValueRef build_buffer_load(struct si_shader_context *ctx,
type_names[func]);
return lp_build_intrinsic(gallivm->builder, name, types[func], args,
ARRAY_SIZE(args), LLVMReadOnlyAttribute);
ARRAY_SIZE(args), LP_FUNC_ATTR_READONLY);
} else {
LLVMValueRef args[] = {
LLVMBuildBitCast(gallivm->builder, rsrc, ctx->v16i8, ""),
@ -872,7 +872,7 @@ static LLVMValueRef build_buffer_load(struct si_shader_context *ctx,
type_names[func], arg_type);
return lp_build_intrinsic(gallivm->builder, name, types[func], args,
ARRAY_SIZE(args), LLVMReadOnlyAttribute);
ARRAY_SIZE(args), LP_FUNC_ATTR_READONLY);
}
}
@ -1159,14 +1159,14 @@ static LLVMValueRef fetch_input_gs(
value = lp_build_intrinsic(gallivm->builder,
"llvm.SI.buffer.load.dword.i32.i32",
ctx->i32, args, 9,
LLVMReadOnlyAttribute);
LP_FUNC_ATTR_READONLY);
if (tgsi_type_is_64bit(type)) {
LLVMValueRef value2;
args[2] = lp_build_const_int32(gallivm, (param * 4 + swizzle + 1) * 256);
value2 = lp_build_intrinsic(gallivm->builder,
"llvm.SI.buffer.load.dword.i32.i32",
ctx->i32, args, 9,
LLVMReadOnlyAttribute);
LP_FUNC_ATTR_READONLY);
return si_llvm_emit_fetch_64bit(bld_base, type,
value, value2);
}
@ -1279,12 +1279,12 @@ static void interp_fs_input(struct si_shader_context *ctx,
args[1] = attr_number;
front = lp_build_intrinsic(gallivm->builder, intr_name,
ctx->f32, args, args[3] ? 4 : 3,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
args[1] = back_attr_number;
back = lp_build_intrinsic(gallivm->builder, intr_name,
ctx->f32, args, args[3] ? 4 : 3,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
result[chan] = LLVMBuildSelect(gallivm->builder,
is_face_positive,
@ -1301,7 +1301,7 @@ static void interp_fs_input(struct si_shader_context *ctx,
args[3] = interp_param;
result[0] = lp_build_intrinsic(gallivm->builder, intr_name,
ctx->f32, args, args[3] ? 4 : 3,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
result[1] =
result[2] = lp_build_const_float(gallivm, 0.0f);
result[3] = lp_build_const_float(gallivm, 1.0f);
@ -1316,7 +1316,7 @@ static void interp_fs_input(struct si_shader_context *ctx,
args[3] = interp_param;
result[chan] = lp_build_intrinsic(gallivm->builder, intr_name,
ctx->f32, args, args[3] ? 4 : 3,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
}
}
}
@ -1404,18 +1404,18 @@ static LLVMValueRef get_thread_id(struct si_shader_context *ctx)
if (HAVE_LLVM < 0x0308) {
tid = lp_build_intrinsic(gallivm->builder, "llvm.SI.tid",
ctx->i32, NULL, 0, LLVMReadNoneAttribute);
ctx->i32, NULL, 0, LP_FUNC_ATTR_READNONE);
} else {
LLVMValueRef tid_args[2];
tid_args[0] = lp_build_const_int32(gallivm, 0xffffffff);
tid_args[1] = lp_build_const_int32(gallivm, 0);
tid_args[1] = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.mbcnt.lo", ctx->i32,
tid_args, 2, LLVMReadNoneAttribute);
tid_args, 2, LP_FUNC_ATTR_READNONE);
tid = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.mbcnt.hi", ctx->i32,
tid_args, 2, LLVMReadNoneAttribute);
tid_args, 2, LP_FUNC_ATTR_READNONE);
}
set_range_metadata(ctx, tid, 0, 64);
return tid;
@ -1432,7 +1432,7 @@ static LLVMValueRef buffer_load_const(struct si_shader_context *ctx,
LLVMValueRef args[2] = {resource, offset};
return lp_build_intrinsic(builder, "llvm.SI.load.const", ctx->f32, args, 2,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
}
static LLVMValueRef load_sample_position(struct si_shader_context *radeon_bld, LLVMValueRef sample_id)
@ -1670,7 +1670,7 @@ static void declare_system_value(
value = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.ps.live",
ctx->i1, NULL, 0,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
value = LLVMBuildNot(gallivm->builder, value, "");
value = LLVMBuildSExt(gallivm->builder, value, ctx->i32, "");
break;
@ -1883,7 +1883,7 @@ static void si_llvm_init_export_args(struct lp_build_tgsi_context *bld_base,
packed = lp_build_intrinsic(base->gallivm->builder,
"llvm.SI.packf16",
ctx->i32, pack_args, 2,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
args[chan + 5] =
LLVMBuildBitCast(base->gallivm->builder,
packed, ctx->f32, "");
@ -2028,7 +2028,7 @@ static LLVMValueRef si_scale_alpha_by_sample_mask(struct lp_build_tgsi_context *
coverage = lp_build_intrinsic(gallivm->builder, "llvm.ctpop.i32",
ctx->i32,
&coverage, 1, LLVMReadNoneAttribute);
&coverage, 1, LP_FUNC_ATTR_READNONE);
coverage = LLVMBuildUIToFP(gallivm->builder, coverage,
ctx->f32, "");
@ -3469,7 +3469,7 @@ static void load_emit_buffer(struct si_shader_context *ctx,
emit_data->output[emit_data->chan] = lp_build_intrinsic(
builder, intrinsic_name, dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadOnlyAttribute);
LP_FUNC_ATTR_READONLY);
}
static LLVMValueRef get_memory_ptr(struct si_shader_context *ctx,
@ -3574,7 +3574,7 @@ static void load_emit(
lp_build_intrinsic(
builder, "llvm.amdgcn.buffer.load.format.v4f32", emit_data->dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadOnlyAttribute);
LP_FUNC_ATTR_READONLY);
} else {
get_image_intr_name("llvm.amdgcn.image.load",
emit_data->dst_type, /* vdata */
@ -3586,7 +3586,7 @@ static void load_emit(
lp_build_intrinsic(
builder, intrinsic_name, emit_data->dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadOnlyAttribute);
LP_FUNC_ATTR_READONLY);
}
}
@ -4014,7 +4014,7 @@ static void resq_emit(
out = lp_build_intrinsic(
builder, "llvm.SI.getresinfo.i32", emit_data->dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
/* Divide the number of layers by 6 to get the number of cubes. */
if (inst->Memory.Texture == TGSI_TEXTURE_CUBE_ARRAY) {
@ -4248,7 +4248,7 @@ static void txq_emit(const struct lp_build_tgsi_action *action,
emit_data->output[emit_data->chan] = lp_build_intrinsic(
base->gallivm->builder, "llvm.SI.getresinfo.i32",
emit_data->dst_type, emit_data->args, emit_data->arg_count,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
/* Divide the number of layers by 6 to get the number of cubes. */
if (target == TGSI_TEXTURE_CUBE_ARRAY ||
@ -4666,7 +4666,7 @@ static void si_lower_gather4_integer(struct si_shader_context *ctx,
emit_data->output[emit_data->chan] =
lp_build_intrinsic(builder, intr_name, emit_data->dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
}
static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
@ -4690,7 +4690,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
base->gallivm->builder,
"llvm.SI.vs.load.input", emit_data->dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
return;
}
@ -4767,7 +4767,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
emit_data->output[emit_data->chan] = lp_build_intrinsic(
base->gallivm->builder, intr_name, emit_data->dst_type,
emit_data->args, emit_data->arg_count,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
}
static void si_llvm_emit_txqs(
@ -4865,13 +4865,13 @@ static void si_llvm_emit_ddxy(
args[1] = val;
tl = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.ds.bpermute", ctx->i32,
args, 2, LLVMReadNoneAttribute);
args, 2, LP_FUNC_ATTR_READNONE);
args[0] = LLVMBuildMul(gallivm->builder, trbl_tid,
lp_build_const_int32(gallivm, 4), "");
trbl = lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.ds.bpermute", ctx->i32,
args, 2, LLVMReadNoneAttribute);
args, 2, LP_FUNC_ATTR_READNONE);
} else {
LLVMValueRef store_ptr, load_ptr0, load_ptr1;
@ -5054,7 +5054,7 @@ static void build_interp_intrinsic(const struct lp_build_tgsi_action *action,
emit_data->output[chan] =
lp_build_intrinsic(gallivm->builder, intr_name,
ctx->f32, args, args[3] ? 4 : 3,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
}
}
@ -5223,10 +5223,10 @@ static void si_create_function(struct si_shader_context *ctx,
* SGPR spilling significantly.
*/
if (LLVMGetTypeKind(LLVMTypeOf(P)) == LLVMPointerTypeKind) {
LLVMAddAttribute(P, LLVMByValAttribute);
lp_add_function_attr(ctx->main_fn, i + 1, LP_FUNC_ATTR_BYVAL);
lp_add_attr_dereferenceable(P, UINT64_MAX);
} else
LLVMAddAttribute(P, LLVMInRegAttribute);
lp_add_function_attr(ctx->main_fn, i + 1, LP_FUNC_ATTR_INREG);
}
if (ctx->screen->b.debug_flags & DBG_UNSAFE_MATH) {
@ -6177,7 +6177,7 @@ si_generate_gs_copy_shader(struct si_screen *sscreen,
lp_build_intrinsic(gallivm->builder,
"llvm.SI.buffer.load.dword.i32.i32",
ctx.i32, args, 9,
LLVMReadOnlyAttribute),
LP_FUNC_ATTR_READONLY),
ctx.f32, "");
}
}
@ -6878,7 +6878,7 @@ static void si_build_wrapper_function(struct si_shader_context *ctx,
unsigned gprs;
for (unsigned i = 0; i < num_parts; ++i) {
LLVMAddFunctionAttr(parts[i], LLVMAlwaysInlineAttribute);
lp_add_function_attr(parts[i], -1, LP_FUNC_ATTR_ALWAYSINLINE);
LLVMSetLinkage(parts[i], LLVMPrivateLinkage);
}
@ -6989,8 +6989,13 @@ static void si_build_wrapper_function(struct si_shader_context *ctx,
is_sgpr = ac_is_sgpr_param(param);
if (is_sgpr) {
#if HAVE_LLVM < 0x0400
LLVMRemoveAttribute(param, LLVMByValAttribute);
LLVMAddAttribute(param, LLVMInRegAttribute);
#else
unsigned kind_id = LLVMGetEnumAttributeKindForName("byval", 5);
LLVMRemoveEnumAttributeAtIndex(parts[part], param_idx + 1, kind_id);
#endif
lp_add_function_attr(parts[part], param_idx + 1, LP_FUNC_ATTR_INREG);
}
assert(out_idx + param_size <= (is_sgpr ? num_out_sgpr : num_out));

View File

@ -399,7 +399,7 @@ static void emit_frac(const struct lp_build_tgsi_action *action,
LLVMValueRef floor = lp_build_intrinsic(builder, intr, emit_data->dst_type,
&emit_data->args[0], 1,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
emit_data->output[emit_data->chan] = LLVMBuildFSub(builder,
emit_data->args[0], floor, "");
}
@ -449,7 +449,7 @@ build_tgsi_intrinsic_nomem(const struct lp_build_tgsi_action *action,
emit_data->output[emit_data->chan] =
lp_build_intrinsic(base->gallivm->builder, action->intr_name,
emit_data->dst_type, emit_data->args,
emit_data->arg_count, LLVMReadNoneAttribute);
emit_data->arg_count, LP_FUNC_ATTR_READNONE);
}
static void emit_bfi(const struct lp_build_tgsi_action *action,
@ -507,7 +507,7 @@ static void emit_bfe(const struct lp_build_tgsi_action *action,
bfe_sm5 = lp_build_intrinsic(builder, action->intr_name,
emit_data->dst_type, emit_data->args,
emit_data->arg_count, LLVMReadNoneAttribute);
emit_data->arg_count, LP_FUNC_ATTR_READNONE);
/* Correct for GLSL semantics. */
cond = LLVMBuildICmp(builder, LLVMIntUGE, emit_data->args[2],
@ -539,7 +539,7 @@ static void emit_lsb(const struct lp_build_tgsi_action *action,
LLVMValueRef lsb =
lp_build_intrinsic(gallivm->builder, "llvm.cttz.i32",
emit_data->dst_type, args, ARRAY_SIZE(args),
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
/* TODO: We need an intrinsic to skip this conditional. */
/* Check for zero: */
@ -566,7 +566,7 @@ static void emit_umsb(const struct lp_build_tgsi_action *action,
LLVMValueRef msb =
lp_build_intrinsic(builder, "llvm.ctlz.i32",
emit_data->dst_type, args, ARRAY_SIZE(args),
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
/* The HW returns the last bit index from MSB, but TGSI wants
* the index from LSB. Invert it by doing "31 - msb". */
@ -593,7 +593,7 @@ static void emit_imsb(const struct lp_build_tgsi_action *action,
LLVMValueRef msb =
lp_build_intrinsic(builder, "llvm.AMDGPU.flbit.i32",
emit_data->dst_type, &arg, 1,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
/* The HW returns the last bit index from MSB, but TGSI wants
* the index from LSB. Invert it by doing "31 - msb". */
@ -917,13 +917,13 @@ static LLVMValueRef build_cube_intrinsic(struct gallivm_state *gallivm,
LLVMValueRef out[4];
out[0] = lp_build_intrinsic(gallivm->builder, "llvm.amdgcn.cubetc",
f32, in, 3, LLVMReadNoneAttribute);
f32, in, 3, LP_FUNC_ATTR_READNONE);
out[1] = lp_build_intrinsic(gallivm->builder, "llvm.amdgcn.cubesc",
f32, in, 3, LLVMReadNoneAttribute);
f32, in, 3, LP_FUNC_ATTR_READNONE);
out[2] = lp_build_intrinsic(gallivm->builder, "llvm.amdgcn.cubema",
f32, in, 3, LLVMReadNoneAttribute);
f32, in, 3, LP_FUNC_ATTR_READNONE);
out[3] = lp_build_intrinsic(gallivm->builder, "llvm.amdgcn.cubeid",
f32, in, 3, LLVMReadNoneAttribute);
f32, in, 3, LP_FUNC_ATTR_READNONE);
return lp_build_gather_values(gallivm, out, 4);
} else {
@ -937,7 +937,7 @@ static LLVMValueRef build_cube_intrinsic(struct gallivm_state *gallivm,
return lp_build_intrinsic(gallivm->builder, "llvm.AMDGPU.cube",
LLVMTypeOf(vec), &vec, 1,
LLVMReadNoneAttribute);
LP_FUNC_ATTR_READNONE);
}
}
@ -959,7 +959,7 @@ static void si_llvm_cube_to_2d_coords(struct lp_build_tgsi_context *bld_base,
lp_build_const_int32(gallivm, i), "");
coords[2] = lp_build_intrinsic(builder, "llvm.fabs.f32",
type, &coords[2], 1, LLVMReadNoneAttribute);
type, &coords[2], 1, LP_FUNC_ATTR_READNONE);
coords[2] = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_RCP, coords[2]);
mad_args[1] = coords[2];