1 files changed, 57 insertions, 0 deletions
diff --git a/src/intel/compiler/brw_fs_validate.cpp b/src/intel/compiler/brw_fs_validate.cpp
new file mode 100644
index 00000000000..676942c19c0
--- /dev/null
+++ b/src/intel/compiler/brw_fs_validate.cpp
@@ -0,0 +1,57 @@
+/*
+ * 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]);
+         }
+      }
+   }
+}