From: Rhys Perry <pendingchaos02@gmail.com>
Date: Fri, 31 Jan 2020 12:40:51 +0000 (+0000)
Subject: aco: set has_divergent_branch for discards in loops
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f1a2e1df7882e9d3816f28d6a0827d4ac66ac8f6;p=mesa.git

aco: set has_divergent_branch for discards in loops

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
CC: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3658>
---

diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index 29d40d18b25..7b429f69350 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -4462,6 +4462,9 @@ void visit_discard(isel_context* ctx, nir_intrinsic_instr *instr)
       ctx->block->kind |= block_kind_break;
       unsigned idx = ctx->block->index;
 
+      ctx->cf_info.parent_loop.has_divergent_branch = true;
+      ctx->cf_info.nir_to_aco[instr->instr.block->index] = idx;
+
       /* remove critical edges from linear CFG */
       bld.branch(aco_opcode::p_branch);
       Block* break_block = ctx->program->create_and_insert_block();