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lima/gpir: Ignore unscheduled successors in can_use_complex()

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The point of the function is to avoid creating a complex move which is
used by certain slots in the next instruction, but unscheduled
successors will never be in the next instruction. Found while debugging
a crash that the previous commit fixed.

Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>
This commit is contained in:
Connor Abbott 2019-09-02 09:48:54 +02:00
parent ee8cc90e55
commit 63acdb5ce6
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/lima/ir/gp/scheduler.c
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@ -1154,7 +1154,8 @@ static bool can_use_complex(gpir_node *node)
continue;
gpir_node *succ = dep->succ;
if (succ->type != gpir_node_type_alu)
if (succ->type != gpir_node_type_alu ||
!succ->sched.instr)
continue;
/* Note: this must be consistent with gpir_codegen_{mul,add}_slot{0,1}