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/*
* 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()
{
foreach_block_and_inst (block, fs_inst, inst, cfg) {
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]);
}
}
}
}
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