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-rw-r--r--src/mesa/drivers/dri/i965/brw_shader.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 83734a2ecf8..5781c6b9965 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -993,7 +993,8 @@ adjust_later_block_ips(bblock_t *start_block, int ip_adjustment)
void
backend_instruction::insert_after(bblock_t *block, backend_instruction *inst)
{
- assert(inst_is_in_block(block, this) || !"Instruction not in block");
+ if (!this->is_head_sentinel())
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
block->end_ip++;
@@ -1005,7 +1006,8 @@ backend_instruction::insert_after(bblock_t *block, backend_instruction *inst)
void
backend_instruction::insert_before(bblock_t *block, backend_instruction *inst)
{
- assert(inst_is_in_block(block, this) || !"Instruction not in block");
+ if (!this->is_tail_sentinel())
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
block->end_ip++;