ac/nir: pass ac_nir_context to visit_tex and various related functions
authorNicolai Hähnle <nicolai.haehnle@amd.com>
Thu, 8 Jun 2017 18:06:39 +0000 (20:06 +0200)
committerNicolai Hähnle <nicolai.haehnle@amd.com>
Mon, 31 Jul 2017 12:55:37 +0000 (14:55 +0200)
Get most of the churn out of the way before actually loading samplers
via the ABI.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
src/amd/common/ac_nir_to_llvm.c

index c9f91e9453b3336fd7894139183fb196921b87ea..adef36d6eac811251cb3dc62b080aa29ae368efc 100644 (file)
@@ -994,7 +994,7 @@ static LLVMValueRef llvm_extract_elem(struct ac_llvm_context *ac,
                                       LLVMConstInt(ac->i32, index, false), "");
 }
 
-static LLVMValueRef trim_vector(struct nir_to_llvm_context *ctx,
+static LLVMValueRef trim_vector(struct ac_llvm_context *ctx,
                                 LLVMValueRef value, unsigned count)
 {
        unsigned num_components = get_llvm_num_components(value);
@@ -1968,27 +1968,27 @@ static LLVMValueRef cast_ptr(struct nir_to_llvm_context *ctx, LLVMValueRef ptr,
 }
 
 static LLVMValueRef
-get_buffer_size(struct nir_to_llvm_context *ctx, LLVMValueRef descriptor, bool in_elements)
+get_buffer_size(struct ac_nir_context *ctx, LLVMValueRef descriptor, bool in_elements)
 {
        LLVMValueRef size =
-               LLVMBuildExtractElement(ctx->builder, descriptor,
-                                       LLVMConstInt(ctx->i32, 2, false), "");
+               LLVMBuildExtractElement(ctx->ac.builder, descriptor,
+                                       LLVMConstInt(ctx->ac.i32, 2, false), "");
 
        /* VI only */
-       if (ctx->options->chip_class >= VI && in_elements) {
+       if (ctx->abi->chip_class >= VI && in_elements) {
                /* On VI, the descriptor contains the size in bytes,
                 * but TXQ must return the size in elements.
                 * The stride is always non-zero for resources using TXQ.
                 */
                LLVMValueRef stride =
-                       LLVMBuildExtractElement(ctx->builder, descriptor,
-                                               LLVMConstInt(ctx->i32, 1, false), "");
-               stride = LLVMBuildLShr(ctx->builder, stride,
-                                      LLVMConstInt(ctx->i32, 16, false), "");
-               stride = LLVMBuildAnd(ctx->builder, stride,
-                                     LLVMConstInt(ctx->i32, 0x3fff, false), "");
+                       LLVMBuildExtractElement(ctx->ac.builder, descriptor,
+                                               LLVMConstInt(ctx->ac.i32, 1, false), "");
+               stride = LLVMBuildLShr(ctx->ac.builder, stride,
+                                      LLVMConstInt(ctx->ac.i32, 16, false), "");
+               stride = LLVMBuildAnd(ctx->ac.builder, stride,
+                                     LLVMConstInt(ctx->ac.i32, 0x3fff, false), "");
 
-               size = LLVMBuildUDiv(ctx->builder, size, stride, "");
+               size = LLVMBuildUDiv(ctx->ac.builder, size, stride, "");
        }
        return size;
 }
@@ -2010,7 +2010,7 @@ static void build_int_type_name(
                strcpy(buf, "i32");
 }
 
-static LLVMValueRef radv_lower_gather4_integer(struct nir_to_llvm_context *ctx,
+static LLVMValueRef radv_lower_gather4_integer(struct ac_llvm_context *ctx,
                                               struct ac_image_args *args,
                                               const nir_tex_instr *instr)
 {
@@ -2029,15 +2029,15 @@ static LLVMValueRef radv_lower_gather4_integer(struct nir_to_llvm_context *ctx,
                txq_args.da = instr->is_array || instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE;
                txq_args.opcode = ac_image_get_resinfo;
                txq_args.dmask = 0xf;
-               txq_args.addr = ctx->i32zero;
+               txq_args.addr = ctx->i32_0;
                txq_args.resource = args->resource;
-               LLVMValueRef size = ac_build_image_opcode(&ctx->ac, &txq_args);
+               LLVMValueRef size = ac_build_image_opcode(ctx, &txq_args);
 
                for (c = 0; c < 2; c++) {
                        half_texel[c] = LLVMBuildExtractElement(ctx->builder, size,
                                                                LLVMConstInt(ctx->i32, c, false), "");
                        half_texel[c] = LLVMBuildUIToFP(ctx->builder, half_texel[c], ctx->f32, "");
-                       half_texel[c] = ac_build_fdiv(&ctx->ac, ctx->f32one, half_texel[c]);
+                       half_texel[c] = ac_build_fdiv(ctx, ctx->f32_1, half_texel[c]);
                        half_texel[c] = LLVMBuildFMul(ctx->builder, half_texel[c],
                                                      LLVMConstReal(ctx->f32, -0.5), "");
                }
@@ -2073,11 +2073,11 @@ static LLVMValueRef radv_lower_gather4_integer(struct nir_to_llvm_context *ctx,
 
                /* workaround 8/8/8/8 uint/sint cube gather bug */
                /* first detect it then change to a scaled read and f2i */
-               tmp = LLVMBuildExtractElement(ctx->builder, args->resource, ctx->i32one, "");
+               tmp = LLVMBuildExtractElement(ctx->builder, args->resource, ctx->i32_1, "");
                tmp2 = tmp;
 
                /* extract the DATA_FORMAT */
-               tmp = ac_build_bfe(&ctx->ac, tmp, LLVMConstInt(ctx->i32, 20, false),
+               tmp = ac_build_bfe(ctx, tmp, LLVMConstInt(ctx->i32, 20, false),
                                   LLVMConstInt(ctx->i32, 6, false), false);
 
                /* is the DATA_FORMAT == 8_8_8_8 */
@@ -2096,13 +2096,13 @@ static LLVMValueRef radv_lower_gather4_integer(struct nir_to_llvm_context *ctx,
                tmp2 = LLVMBuildAnd(ctx->builder, tmp2, LLVMConstInt(ctx->i32, C_008F14_NUM_FORMAT_GFX6, false), "");
                tmp2 = LLVMBuildOr(ctx->builder, tmp2, tmp, "");
 
-               args->resource = LLVMBuildInsertElement(ctx->builder, args->resource, tmp2, ctx->i32one, "");
+               args->resource = LLVMBuildInsertElement(ctx->builder, args->resource, tmp2, ctx->i32_1, "");
 
                /* don't modify the coordinates for this case */
                coord = LLVMBuildSelect(ctx->builder, compare_cube_wa, orig_coords, coord, "");
        }
        args->addr = coord;
-       result = ac_build_image_opcode(&ctx->ac, args);
+       result = ac_build_image_opcode(ctx, args);
 
        if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
                LLVMValueRef tmp, tmp2;
@@ -2124,7 +2124,7 @@ static LLVMValueRef radv_lower_gather4_integer(struct nir_to_llvm_context *ctx,
        return result;
 }
 
-static LLVMValueRef build_tex_intrinsic(struct nir_to_llvm_context *ctx,
+static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
                                        const nir_tex_instr *instr,
                                        bool lod_is_zero,
                                        struct ac_image_args *args)
@@ -2133,7 +2133,7 @@ static LLVMValueRef build_tex_intrinsic(struct nir_to_llvm_context *ctx,
                return ac_build_buffer_load_format(&ctx->ac,
                                                   args->resource,
                                                   args->addr,
-                                                  LLVMConstInt(ctx->i32, 0, false),
+                                                  LLVMConstInt(ctx->ac.i32, 0, false),
                                                   true);
        }
 
@@ -2184,7 +2184,7 @@ static LLVMValueRef build_tex_intrinsic(struct nir_to_llvm_context *ctx,
        if (instr->op == nir_texop_tg4) {
                enum glsl_base_type stype = glsl_get_sampler_result_type(instr->texture->var->type);
                if (stype == GLSL_TYPE_UINT || stype == GLSL_TYPE_INT) {
-                       return radv_lower_gather4_integer(ctx, args, instr);
+                       return radv_lower_gather4_integer(&ctx->ac, args, instr);
                }
        }
        return ac_build_image_opcode(&ctx->ac, args);
@@ -2237,10 +2237,10 @@ static LLVMValueRef visit_load_push_constant(struct nir_to_llvm_context *ctx,
        return LLVMBuildLoad(ctx->builder, ptr, "");
 }
 
-static LLVMValueRef visit_get_buffer_size(struct nir_to_llvm_context *ctx,
+static LLVMValueRef visit_get_buffer_size(struct ac_nir_context *ctx,
                                           const nir_intrinsic_instr *instr)
 {
-       LLVMValueRef desc = get_src(ctx->nir, instr->src[0]);
+       LLVMValueRef desc = get_src(ctx, instr->src[0]);
 
        return get_buffer_size(ctx, desc, false);
 }
@@ -2268,7 +2268,7 @@ static void visit_store_ssbo(struct nir_to_llvm_context *ctx,
                data_type = LLVMVectorType(ctx->f32, components_32bit);
 
        base_data = to_float(&ctx->ac, src_data);
-       base_data = trim_vector(ctx, base_data, instr->num_components);
+       base_data = trim_vector(&ctx->ac, base_data, instr->num_components);
        base_data = LLVMBuildBitCast(ctx->builder, base_data,
                                     data_type, "");
        base_offset = get_src(ctx->nir, instr->src[2]);      /* voffset */
@@ -2868,7 +2868,7 @@ load_tes_input(struct nir_to_llvm_context *ctx,
 
        result = ac_build_buffer_load(&ctx->ac, ctx->hs_ring_tess_offchip, instr->num_components, NULL,
                                      buf_addr, ctx->oc_lds, is_compact ? (4 * const_index) : 0, 1, 0, true, false);
-       result = trim_vector(ctx, result, instr->num_components);
+       result = trim_vector(&ctx->ac, result, instr->num_components);
        result = LLVMBuildBitCast(ctx->builder, result, get_def_type(ctx->nir, &instr->dest.ssa), "");
        return result;
 }
@@ -3219,7 +3219,7 @@ static int image_type_to_components_count(enum glsl_sampler_dim dim, bool array)
  * The sample index should be adjusted as follows:
  *   sample_index = (fmask >> (sample_index * 4)) & 0xF;
  */
-static LLVMValueRef adjust_sample_index_using_fmask(struct nir_to_llvm_context *ctx,
+static LLVMValueRef adjust_sample_index_using_fmask(struct ac_llvm_context *ctx,
                                                    LLVMValueRef coord_x, LLVMValueRef coord_y,
                                                    LLVMValueRef coord_z,
                                                    LLVMValueRef sample_index,
@@ -3241,17 +3241,17 @@ static LLVMValueRef adjust_sample_index_using_fmask(struct nir_to_llvm_context *
        args.da = coord_z ? true : false;
        args.resource = fmask_desc_ptr;
        args.dmask = 0xf;
-       args.addr = ac_build_gather_values(&ctx->ac, fmask_load_address, coord_z ? 4 : 2);
+       args.addr = ac_build_gather_values(ctx, fmask_load_address, coord_z ? 4 : 2);
 
-       res = ac_build_image_opcode(&ctx->ac, &args);
+       res = ac_build_image_opcode(ctx, &args);
 
-       res = to_integer(&ctx->ac, res);
+       res = to_integer(ctx, res);
        LLVMValueRef four = LLVMConstInt(ctx->i32, 4, false);
        LLVMValueRef F = LLVMConstInt(ctx->i32, 0xf, false);
 
        LLVMValueRef fmask = LLVMBuildExtractElement(ctx->builder,
                                                     res,
-                                                    ctx->i32zero, "");
+                                                    ctx->i32_0, "");
 
        LLVMValueRef sample_index4 =
                LLVMBuildMul(ctx->builder, sample_index, four, "");
@@ -3269,11 +3269,11 @@ static LLVMValueRef adjust_sample_index_using_fmask(struct nir_to_llvm_context *
 
        LLVMValueRef fmask_word1 =
                LLVMBuildExtractElement(ctx->builder, fmask_desc,
-                                       ctx->i32one, "");
+                                       ctx->i32_1, "");
 
        LLVMValueRef word1_is_nonzero =
                LLVMBuildICmp(ctx->builder, LLVMIntNE,
-                             fmask_word1, ctx->i32zero, "");
+                             fmask_word1, ctx->i32_0, "");
 
        /* Replace the MSAA sample index. */
        sample_index =
@@ -3322,7 +3322,7 @@ static LLVMValueRef get_image_coords(struct nir_to_llvm_context *ctx,
                        for (chan = 0; chan < 2; ++chan)
                                fmask_load_address[chan] = LLVMBuildAdd(ctx->builder, fmask_load_address[chan], LLVMBuildFPToUI(ctx->builder, ctx->frag_pos[chan], ctx->i32, ""), "");
                }
-               sample_index = adjust_sample_index_using_fmask(ctx,
+               sample_index = adjust_sample_index_using_fmask(&ctx->ac,
                                                               fmask_load_address[0],
                                                               fmask_load_address[1],
                                                               fmask_load_address[2],
@@ -3382,7 +3382,7 @@ static LLVMValueRef visit_image_load(struct nir_to_llvm_context *ctx,
                res = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.buffer.load.format.v4f32", ctx->v4f32,
                                         params, 5, 0);
 
-               res = trim_vector(ctx, res, instr->dest.ssa.num_components);
+               res = trim_vector(&ctx->ac, res, instr->dest.ssa.num_components);
                res = to_integer(&ctx->ac, res);
        } else {
                bool is_da = glsl_sampler_type_is_array(type) ||
@@ -3558,7 +3558,7 @@ static LLVMValueRef visit_image_atomic(struct nir_to_llvm_context *ctx,
        return ac_build_intrinsic(&ctx->ac, intrinsic_name, ctx->i32, params, param_count, 0);
 }
 
-static LLVMValueRef visit_image_size(struct nir_to_llvm_context *ctx,
+static LLVMValueRef visit_image_size(struct ac_nir_context *ctx,
                                     const nir_intrinsic_instr *instr)
 {
        LLVMValueRef res;
@@ -3570,25 +3570,25 @@ static LLVMValueRef visit_image_size(struct nir_to_llvm_context *ctx,
                type = instr->variables[0]->deref.child->type;
 
        if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_BUF)
-               return get_buffer_size(ctx, get_sampler_desc(ctx, instr->variables[0], DESC_BUFFER), true);
+               return get_buffer_size(ctx, get_sampler_desc(ctx->nctx, instr->variables[0], DESC_BUFFER), true);
 
        struct ac_image_args args = { 0 };
 
        args.da = da;
        args.dmask = 0xf;
-       args.resource = get_sampler_desc(ctx, instr->variables[0], DESC_IMAGE);
+       args.resource = get_sampler_desc(ctx->nctx, instr->variables[0], DESC_IMAGE);
        args.opcode = ac_image_get_resinfo;
-       args.addr = ctx->i32zero;
+       args.addr = ctx->ac.i32_0;
 
        res = ac_build_image_opcode(&ctx->ac, &args);
 
        if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE &&
            glsl_sampler_type_is_array(type)) {
-               LLVMValueRef two = LLVMConstInt(ctx->i32, 2, false);
-               LLVMValueRef six = LLVMConstInt(ctx->i32, 6, false);
-               LLVMValueRef z = LLVMBuildExtractElement(ctx->builder, res, two, "");
-               z = LLVMBuildSDiv(ctx->builder, z, six, "");
-               res = LLVMBuildInsertElement(ctx->builder, res, z, two, "");
+               LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
+               LLVMValueRef six = LLVMConstInt(ctx->ac.i32, 6, false);
+               LLVMValueRef z = LLVMBuildExtractElement(ctx->ac.builder, res, two, "");
+               z = LLVMBuildSDiv(ctx->ac.builder, z, six, "");
+               res = LLVMBuildInsertElement(ctx->ac.builder, res, z, two, "");
        }
        return res;
 }
@@ -4059,7 +4059,7 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
                result = visit_load_ubo_buffer(ctx, instr);
                break;
        case nir_intrinsic_get_buffer_size:
-               result = visit_get_buffer_size(ctx->nctx, instr);
+               result = visit_get_buffer_size(ctx, instr);
                break;
        case nir_intrinsic_load_var:
                result = visit_load_var(ctx, instr);
@@ -4084,7 +4084,7 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
                result = visit_image_atomic(ctx->nctx, instr);
                break;
        case nir_intrinsic_image_size:
-               result = visit_image_size(ctx->nctx, instr);
+               result = visit_image_size(ctx, instr);
                break;
        case nir_intrinsic_discard:
                ctx->nctx->shader_info->fs.can_discard = true;
@@ -4225,7 +4225,7 @@ static LLVMValueRef get_sampler_desc(struct nir_to_llvm_context *ctx,
        return ac_build_indexed_load_const(&ctx->ac, list, index);
 }
 
-static void set_tex_fetch_args(struct nir_to_llvm_context *ctx,
+static void set_tex_fetch_args(struct ac_llvm_context *ctx,
                               struct ac_image_args *args,
                               const nir_tex_instr *instr,
                               nir_texop op,
@@ -4243,7 +4243,7 @@ static void set_tex_fetch_args(struct nir_to_llvm_context *ctx,
                param[count++] = LLVMGetUndef(ctx->i32);
 
        if (count > 1)
-               args->addr = ac_build_gather_values(&ctx->ac, param, count);
+               args->addr = ac_build_gather_values(ctx, param, count);
        else
                args->addr = param[0];
 
@@ -4311,16 +4311,16 @@ static void tex_fetch_ptrs(struct nir_to_llvm_context *ctx,
                *fmask_ptr = get_sampler_desc(ctx, instr->texture, DESC_FMASK);
 }
 
-static LLVMValueRef apply_round_slice(struct nir_to_llvm_context *ctx,
+static LLVMValueRef apply_round_slice(struct ac_llvm_context *ctx,
                                      LLVMValueRef coord)
 {
-       coord = to_float(&ctx->ac, coord);
-       coord = ac_build_intrinsic(&ctx->ac, "llvm.rint.f32", ctx->f32, &coord, 1, 0);
-       coord = to_integer(&ctx->ac, coord);
+       coord = to_float(ctx, coord);
+       coord = ac_build_intrinsic(ctx, "llvm.rint.f32", ctx->f32, &coord, 1, 0);
+       coord = to_integer(ctx, coord);
        return coord;
 }
 
-static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
+static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
 {
        LLVMValueRef result = NULL;
        struct ac_image_args args = { 0 };
@@ -4335,44 +4335,45 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
        unsigned chan, count = 0;
        unsigned const_src = 0, num_deriv_comp = 0;
        bool lod_is_zero = false;
-       tex_fetch_ptrs(ctx, instr, &res_ptr, &samp_ptr, &fmask_ptr);
+
+       tex_fetch_ptrs(ctx->nctx, instr, &res_ptr, &samp_ptr, &fmask_ptr);
 
        for (unsigned i = 0; i < instr->num_srcs; i++) {
                switch (instr->src[i].src_type) {
                case nir_tex_src_coord:
-                       coord = get_src(ctx->nir, instr->src[i].src);
+                       coord = get_src(ctx, instr->src[i].src);
                        break;
                case nir_tex_src_projector:
                        break;
                case nir_tex_src_comparator:
-                       comparator = get_src(ctx->nir, instr->src[i].src);
+                       comparator = get_src(ctx, instr->src[i].src);
                        break;
                case nir_tex_src_offset:
-                       offsets = get_src(ctx->nir, instr->src[i].src);
+                       offsets = get_src(ctx, instr->src[i].src);
                        const_src = i;
                        break;
                case nir_tex_src_bias:
-                       bias = get_src(ctx->nir, instr->src[i].src);
+                       bias = get_src(ctx, instr->src[i].src);
                        break;
                case nir_tex_src_lod: {
                        nir_const_value *val = nir_src_as_const_value(instr->src[i].src);
 
                        if (val && val->i32[0] == 0)
                                lod_is_zero = true;
-                       lod = get_src(ctx->nir, instr->src[i].src);
+                       lod = get_src(ctx, instr->src[i].src);
                        break;
                }
                case nir_tex_src_ms_index:
-                       sample_index = get_src(ctx->nir, instr->src[i].src);
+                       sample_index = get_src(ctx, instr->src[i].src);
                        break;
                case nir_tex_src_ms_mcs:
                        break;
                case nir_tex_src_ddx:
-                       ddx = get_src(ctx->nir, instr->src[i].src);
+                       ddx = get_src(ctx, instr->src[i].src);
                        num_deriv_comp = instr->src[i].src.ssa->num_components;
                        break;
                case nir_tex_src_ddy:
-                       ddy = get_src(ctx->nir, instr->src[i].src);
+                       ddy = get_src(ctx, instr->src[i].src);
                        break;
                case nir_tex_src_texture_offset:
                case nir_tex_src_sampler_offset:
@@ -4389,24 +4390,24 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
 
        if (instr->op == nir_texop_texture_samples) {
                LLVMValueRef res, samples, is_msaa;
-               res = LLVMBuildBitCast(ctx->builder, res_ptr, ctx->v8i32, "");
-               samples = LLVMBuildExtractElement(ctx->builder, res,
-                                                 LLVMConstInt(ctx->i32, 3, false), "");
-               is_msaa = LLVMBuildLShr(ctx->builder, samples,
-                                       LLVMConstInt(ctx->i32, 28, false), "");
-               is_msaa = LLVMBuildAnd(ctx->builder, is_msaa,
-                                      LLVMConstInt(ctx->i32, 0xe, false), "");
-               is_msaa = LLVMBuildICmp(ctx->builder, LLVMIntEQ, is_msaa,
-                                       LLVMConstInt(ctx->i32, 0xe, false), "");
-
-               samples = LLVMBuildLShr(ctx->builder, samples,
-                                       LLVMConstInt(ctx->i32, 16, false), "");
-               samples = LLVMBuildAnd(ctx->builder, samples,
-                                      LLVMConstInt(ctx->i32, 0xf, false), "");
-               samples = LLVMBuildShl(ctx->builder, ctx->i32one,
+               res = LLVMBuildBitCast(ctx->ac.builder, res_ptr, ctx->ac.v8i32, "");
+               samples = LLVMBuildExtractElement(ctx->ac.builder, res,
+                                                 LLVMConstInt(ctx->ac.i32, 3, false), "");
+               is_msaa = LLVMBuildLShr(ctx->ac.builder, samples,
+                                       LLVMConstInt(ctx->ac.i32, 28, false), "");
+               is_msaa = LLVMBuildAnd(ctx->ac.builder, is_msaa,
+                                      LLVMConstInt(ctx->ac.i32, 0xe, false), "");
+               is_msaa = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, is_msaa,
+                                       LLVMConstInt(ctx->ac.i32, 0xe, false), "");
+
+               samples = LLVMBuildLShr(ctx->ac.builder, samples,
+                                       LLVMConstInt(ctx->ac.i32, 16, false), "");
+               samples = LLVMBuildAnd(ctx->ac.builder, samples,
+                                      LLVMConstInt(ctx->ac.i32, 0xf, false), "");
+               samples = LLVMBuildShl(ctx->ac.builder, ctx->ac.i32_1,
                                       samples, "");
-               samples = LLVMBuildSelect(ctx->builder, is_msaa, samples,
-                                         ctx->i32one, "");
+               samples = LLVMBuildSelect(ctx->ac.builder, is_msaa, samples,
+                                         ctx->ac.i32_1, "");
                result = samples;
                goto write_result;
        }
@@ -4418,19 +4419,19 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
        if (offsets && instr->op != nir_texop_txf) {
                LLVMValueRef offset[3], pack;
                for (chan = 0; chan < 3; ++chan)
-                       offset[chan] = ctx->i32zero;
+                       offset[chan] = ctx->ac.i32_0;
 
                args.offset = true;
                for (chan = 0; chan < get_llvm_num_components(offsets); chan++) {
                        offset[chan] = llvm_extract_elem(&ctx->ac, offsets, chan);
-                       offset[chan] = LLVMBuildAnd(ctx->builder, offset[chan],
-                                                   LLVMConstInt(ctx->i32, 0x3f, false), "");
+                       offset[chan] = LLVMBuildAnd(ctx->ac.builder, offset[chan],
+                                                   LLVMConstInt(ctx->ac.i32, 0x3f, false), "");
                        if (chan)
-                               offset[chan] = LLVMBuildShl(ctx->builder, offset[chan],
-                                                           LLVMConstInt(ctx->i32, chan * 8, false), "");
+                               offset[chan] = LLVMBuildShl(ctx->ac.builder, offset[chan],
+                                                           LLVMConstInt(ctx->ac.i32, chan * 8, false), "");
                }
-               pack = LLVMBuildOr(ctx->builder, offset[0], offset[1], "");
-               pack = LLVMBuildOr(ctx->builder, pack, offset[2], "");
+               pack = LLVMBuildOr(ctx->ac.builder, offset[0], offset[1], "");
+               pack = LLVMBuildOr(ctx->ac.builder, pack, offset[2], "");
                address[count++] = pack;
 
        }
@@ -4468,11 +4469,11 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
 
        if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE && coord) {
                if (instr->is_array && instr->op != nir_texop_lod)
-                       coords[3] = apply_round_slice(ctx, coords[3]);
+                       coords[3] = apply_round_slice(&ctx->ac, coords[3]);
                for (chan = 0; chan < instr->coord_components; chan++)
                        coords[chan] = to_float(&ctx->ac, coords[chan]);
                if (instr->coord_components == 3)
-                       coords[3] = LLVMGetUndef(ctx->f32);
+                       coords[3] = LLVMGetUndef(ctx->ac.f32);
                ac_prepare_cube_coords(&ctx->ac,
                        instr->op == nir_texop_txd, instr->is_array,
                        coords, derivs);
@@ -4490,7 +4491,7 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                address[count++] = coords[0];
                if (instr->coord_components > 1) {
                        if (instr->sampler_dim == GLSL_SAMPLER_DIM_1D && instr->is_array && instr->op != nir_texop_txf) {
-                               coords[1] = apply_round_slice(ctx, coords[1]);
+                               coords[1] = apply_round_slice(&ctx->ac, coords[1]);
                        }
                        address[count++] = coords[1];
                }
@@ -4499,7 +4500,7 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                        if (instr->sampler_dim != GLSL_SAMPLER_DIM_3D &&
                            instr->sampler_dim != GLSL_SAMPLER_DIM_CUBE &&
                            instr->op != nir_texop_txf) {
-                               coords[2] = apply_round_slice(ctx, coords[2]);
+                               coords[2] = apply_round_slice(&ctx->ac, coords[2]);
                        }
                        address[count++] = coords[2];
                }
@@ -4516,12 +4517,12 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                if (lod)
                        address[count++] = lod;
                else
-                       address[count++] = ctx->i32zero;
+                       address[count++] = ctx->ac.i32_0;
        }
 
        for (chan = 0; chan < count; chan++) {
-               address[chan] = LLVMBuildBitCast(ctx->builder,
-                                                address[chan], ctx->i32, "");
+               address[chan] = LLVMBuildBitCast(ctx->ac.builder,
+                                                address[chan], ctx->ac.i32, "");
        }
 
        if (instr->op == nir_texop_samples_identical) {
@@ -4531,24 +4532,24 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                memcpy(txf_address, address, sizeof(txf_address));
 
                if (!instr->is_array)
-                       txf_address[2] = ctx->i32zero;
-               txf_address[3] = ctx->i32zero;
+                       txf_address[2] = ctx->ac.i32_0;
+               txf_address[3] = ctx->ac.i32_0;
 
-               set_tex_fetch_args(ctx, &txf_args, instr, nir_texop_txf,
+               set_tex_fetch_args(&ctx->ac, &txf_args, instr, nir_texop_txf,
                                   fmask_ptr, NULL,
                                   txf_address, txf_count, 0xf);
 
                result = build_tex_intrinsic(ctx, instr, false, &txf_args);
 
-               result = LLVMBuildExtractElement(ctx->builder, result, ctx->i32zero, "");
-               result = emit_int_cmp(&ctx->ac, LLVMIntEQ, result, ctx->i32zero);
+               result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
+               result = emit_int_cmp(&ctx->ac, LLVMIntEQ, result, ctx->ac.i32_0);
                goto write_result;
        }
 
        if (instr->sampler_dim == GLSL_SAMPLER_DIM_MS &&
            instr->op != nir_texop_txs) {
                unsigned sample_chan = instr->is_array ? 3 : 2;
-               address[sample_chan] = adjust_sample_index_using_fmask(ctx,
+               address[sample_chan] = adjust_sample_index_using_fmask(&ctx->ac,
                                                                       address[0],
                                                                       address[1],
                                                                       instr->is_array ? address[2] : NULL,
@@ -4563,13 +4564,13 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                assert(const_offset);
                num_offsets = MIN2(num_offsets, instr->coord_components);
                if (num_offsets > 2)
-                       address[2] = LLVMBuildAdd(ctx->builder,
-                                                 address[2], LLVMConstInt(ctx->i32, const_offset->i32[2], false), "");
+                       address[2] = LLVMBuildAdd(ctx->ac.builder,
+                                                 address[2], LLVMConstInt(ctx->ac.i32, const_offset->i32[2], false), "");
                if (num_offsets > 1)
-                       address[1] = LLVMBuildAdd(ctx->builder,
-                                                 address[1], LLVMConstInt(ctx->i32, const_offset->i32[1], false), "");
-               address[0] = LLVMBuildAdd(ctx->builder,
-                                         address[0], LLVMConstInt(ctx->i32, const_offset->i32[0], false), "");
+                       address[1] = LLVMBuildAdd(ctx->ac.builder,
+                                                 address[1], LLVMConstInt(ctx->ac.i32, const_offset->i32[1], false), "");
+               address[0] = LLVMBuildAdd(ctx->ac.builder,
+                                         address[0], LLVMConstInt(ctx->ac.i32, const_offset->i32[0], false), "");
 
        }
 
@@ -4580,31 +4581,31 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                else
                        dmask = 1 << instr->component;
        }
-       set_tex_fetch_args(ctx, &args, instr, instr->op,
+       set_tex_fetch_args(&ctx->ac, &args, instr, instr->op,
                           res_ptr, samp_ptr, address, count, dmask);
 
        result = build_tex_intrinsic(ctx, instr, lod_is_zero, &args);
 
        if (instr->op == nir_texop_query_levels)
-               result = LLVMBuildExtractElement(ctx->builder, result, LLVMConstInt(ctx->i32, 3, false), "");
+               result = LLVMBuildExtractElement(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 3, false), "");
        else if (instr->is_shadow && instr->op != nir_texop_txs && instr->op != nir_texop_lod && instr->op != nir_texop_tg4)
-               result = LLVMBuildExtractElement(ctx->builder, result, ctx->i32zero, "");
+               result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
        else if (instr->op == nir_texop_txs &&
                 instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE &&
                 instr->is_array) {
-               LLVMValueRef two = LLVMConstInt(ctx->i32, 2, false);
-               LLVMValueRef six = LLVMConstInt(ctx->i32, 6, false);
-               LLVMValueRef z = LLVMBuildExtractElement(ctx->builder, result, two, "");
-               z = LLVMBuildSDiv(ctx->builder, z, six, "");
-               result = LLVMBuildInsertElement(ctx->builder, result, z, two, "");
+               LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
+               LLVMValueRef six = LLVMConstInt(ctx->ac.i32, 6, false);
+               LLVMValueRef z = LLVMBuildExtractElement(ctx->ac.builder, result, two, "");
+               z = LLVMBuildSDiv(ctx->ac.builder, z, six, "");
+               result = LLVMBuildInsertElement(ctx->ac.builder, result, z, two, "");
        } else if (instr->dest.ssa.num_components != 4)
-               result = trim_vector(ctx, result, instr->dest.ssa.num_components);
+               result = trim_vector(&ctx->ac, result, instr->dest.ssa.num_components);
 
 write_result:
        if (result) {
                assert(instr->dest.is_ssa);
                result = to_integer(&ctx->ac, result);
-               _mesa_hash_table_insert(ctx->nir->defs, &instr->dest.ssa, result);
+               _mesa_hash_table_insert(ctx->defs, &instr->dest.ssa, result);
        }
 }
 
@@ -4693,7 +4694,7 @@ static void visit_block(struct ac_nir_context *ctx, nir_block *block)
                        visit_intrinsic(ctx, nir_instr_as_intrinsic(instr));
                        break;
                case nir_instr_type_tex:
-                       visit_tex(ctx->nctx, nir_instr_as_tex(instr));
+                       visit_tex(ctx, nir_instr_as_tex(instr));
                        break;
                case nir_instr_type_phi:
                        visit_phi(ctx, nir_instr_as_phi(instr));