This fixes liveness analysis with respect to inline constants and
branching.
Signed-off-by: Alyssa Rosenzweig <aly...@rosenzweig.io>
---
.../drivers/panfrost/midgard/midgard_liveness.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/panfrost/midgard/midgard_liveness.c
b/src/gallium/drivers/panfrost/midgard/midgard_liveness.c
index ab36583ef39..e4c89556162 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_liveness.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_liveness.c
@@ -31,8 +31,14 @@
static bool
midgard_is_live_in_instr(midgard_instruction *ins, int src)
{
- if (ins->ssa_args.src0 == src) return true;
- if (ins->ssa_args.src1 == src) return true;
+ if (ins->compact_branch)
+ return false;
+
+ if (ins->ssa_args.src0 == src)
+ return true;
+
+ if (!ins->ssa_args.inline_constant && ins->ssa_args.src1 == src)
+ return true;
return false;
}
--
2.20.1
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