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pan/midgard: Allow NULL argument in mir_has_arg

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It's sometimes convenient to call this with no instruction specified. By
definition, a missing instruction cannot reference any argument, so
let's check for NULL and shortciruit to false.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-08-30 10:48:41 -07:00
parent bcc59ff04d
commit 72cbd2d4e7
1 changed files with 3 additions and 0 deletions
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3
src/panfrost/midgard/compiler.h
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@ -566,6 +566,9 @@ v_mov(unsigned src, midgard_vector_alu_src mod, unsigned dest)
static inline bool static inline bool
mir_has_arg(midgard_instruction *ins, unsigned arg) mir_has_arg(midgard_instruction *ins, unsigned arg)
{ {
if (!ins)
return false;
for (unsigned i = 0; i < ARRAY_SIZE(ins->src); ++i) { for (unsigned i = 0; i < ARRAY_SIZE(ins->src); ++i) {
if (ins->src[i] == arg) if (ins->src[i] == arg)
return true; return true;