diff options
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index bf3f00867e9..08da3e37550 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -4282,6 +4282,14 @@ static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action, struct si_shader_context *ctx = si_shader_context(bld_base); struct gallivm_state *gallivm = bld_base->base.gallivm; + /* The real barrier instruction isn’t needed, because an entire patch + * always fits into a single wave. + */ + if (ctx->type == TGSI_PROCESSOR_TESS_CTRL) { + emit_optimization_barrier(ctx); + return; + } + lp_build_intrinsic(gallivm->builder, HAVE_LLVM >= 0x0309 ? "llvm.amdgcn.s.barrier" : "llvm.AMDGPU.barrier.local", |