| /* |
| * Copyright © 2015 Intel Corporation |
| * |
| * 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 without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| */ |
| |
| /** @file brw_fs_validate.cpp |
| * |
| * Implements a pass that validates various invariants of the IR. The current |
| * pass only validates that GRF's uses are sane. More can be added later. |
| */ |
| |
| #include "brw_fs.h" |
| #include "brw_cfg.h" |
| |
| #define fsv_assert(cond) \ |
| if (!(cond)) { \ |
| fprintf(stderr, "ASSERT: Scalar %s validation failed!\n", stage_abbrev); \ |
| dump_instruction(inst, stderr); \ |
| fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, #cond); \ |
| abort(); \ |
| } |
| |
| void |
| fs_visitor::validate() |
| { |
| #ifndef NDEBUG |
| foreach_block_and_inst (block, fs_inst, inst, cfg) { |
| if (inst->opcode == SHADER_OPCODE_URB_WRITE_LOGICAL) { |
| const unsigned header_size = 1 + |
| unsigned(inst->src[URB_LOGICAL_SRC_PER_SLOT_OFFSETS].file != BAD_FILE) + |
| unsigned(inst->src[URB_LOGICAL_SRC_CHANNEL_MASK].file != BAD_FILE); |
| |
| unsigned data_size = 0; |
| for (unsigned i = header_size, j = 0; i < inst->mlen; i++, j++) { |
| fsv_assert(type_sz(offset(inst->src[URB_LOGICAL_SRC_DATA], bld, j).type) == 4); |
| data_size++; |
| } |
| |
| fsv_assert(header_size + data_size == inst->mlen); |
| } |
| |
| if (inst->dst.file == VGRF) { |
| fsv_assert(inst->dst.offset / REG_SIZE + regs_written(inst) <= |
| alloc.sizes[inst->dst.nr]); |
| } |
| |
| for (unsigned i = 0; i < inst->sources; i++) { |
| if (inst->src[i].file == VGRF) { |
| fsv_assert(inst->src[i].offset / REG_SIZE + regs_read(inst, i) <= |
| alloc.sizes[inst->src[i].nr]); |
| } |
| } |
| } |
| #endif |
| } |