Module: Mesa
Branch: master
Commit: a607f4aa57def51236687ec17d7a6391fb147333
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a607f4aa57def51236687ec17d7a6391fb147333
Author: Matt Turner <matts...@gmail.com>
Date: Mon Feb 15 10:42:14 2016 -0800
i965: Assert that an instruction is not inserted around itself.
Reviewed-by: Francisco Jerez <curroje...@riseup.net>
---
src/mesa/drivers/dri/i965/brw_shader.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp
b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 21977a2..736deb4 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -948,6 +948,8 @@ adjust_later_block_ips(bblock_t *start_block, int
ip_adjustment)
void
backend_instruction::insert_after(bblock_t *block, backend_instruction *inst)
{
+ assert(this != inst);
+
if (!this->is_head_sentinel())
assert(inst_is_in_block(block, this) || !"Instruction not in block");
@@ -961,6 +963,8 @@ backend_instruction::insert_after(bblock_t *block,
backend_instruction *inst)
void
backend_instruction::insert_before(bblock_t *block, backend_instruction *inst)
{
+ assert(this != inst);
+
if (!this->is_tail_sentinel())
assert(inst_is_in_block(block, this) || !"Instruction not in block");
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