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authorAlyssa Rosenzweig <[email protected]>2019-06-10 08:21:24 -0700
committerAlyssa Rosenzweig <[email protected]>2019-06-10 08:23:08 -0700
commite9703fb4162e85943c52b6559d3554b521125da4 (patch)
treed406f99c7ae2370cb945b9c5195a51b709c76ec1 /src
parente9316fdfd4899c269a19e106a6ffa4309ae48b27 (diff)
panfrost: Ignore discards in dead branch analysis
Fixes regressions in dEQP-GLES2.functional.shaders.discard.dynamic_loop_* Signed-off-by: Alyssa Rosenzweig <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/panfrost/midgard/midgard_compile.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index bc9521aa9ed..4ea8834de2b 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -1731,6 +1731,11 @@ midgard_opt_cull_dead_branch(compiler_context *ctx, midgard_block *block)
* just generally special */
if (ins->prepacked_branch) continue;
+ /* Discards are similarly special and may not correspond to the
+ * end of a block */
+
+ if (ins->branch.target_type == TARGET_DISCARD) continue;
+
if (branched) {
/* We already branched, so this is dead */
mir_remove_instruction(ins);