From f04d2ca0d979101dd8bfcdc6cad30461ff73a7cc Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Mon, 8 Jan 2018 17:41:24 +1100 Subject: [PATCH] ac: rework emit_barrier() to not segfault on radeonsi nir_to_llvm_context will always be NULL for radeonsi so we need work around this. Reviewed-by: Dave Airlie Reviewed-by: Samuel Pitoiset --- src/amd/common/ac_nir_to_llvm.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index cad4adf..70876cf 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -3831,19 +3831,18 @@ static void emit_membar(struct nir_to_llvm_context *ctx, ac_build_waitcnt(&ctx->ac, waitcnt); } -static void emit_barrier(struct nir_to_llvm_context *ctx) +static void emit_barrier(struct ac_llvm_context *ac, gl_shader_stage stage) { /* SI only (thanks to a hw bug workaround): * The real barrier instruction isn’t needed, because an entire patch * always fits into a single wave. */ - if (ctx->options->chip_class == SI && - ctx->stage == MESA_SHADER_TESS_CTRL) { - ac_build_waitcnt(&ctx->ac, LGKM_CNT & VM_CNT); + if (ac->chip_class == SI && stage == MESA_SHADER_TESS_CTRL) { + ac_build_waitcnt(ac, LGKM_CNT & VM_CNT); return; } - ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.s.barrier", - ctx->ac.voidt, NULL, 0, AC_FUNC_ATTR_CONVERGENT); + ac_build_intrinsic(ac, "llvm.amdgcn.s.barrier", + ac->voidt, NULL, 0, AC_FUNC_ATTR_CONVERGENT); } static void emit_discard_if(struct ac_nir_context *ctx, @@ -4336,7 +4335,7 @@ static void visit_intrinsic(struct ac_nir_context *ctx, emit_membar(ctx->nctx, instr); break; case nir_intrinsic_barrier: - emit_barrier(ctx->nctx); + emit_barrier(&ctx->ac, ctx->stage); break; case nir_intrinsic_var_atomic_add: case nir_intrinsic_var_atomic_imin: @@ -6179,7 +6178,7 @@ write_tess_factors(struct nir_to_llvm_context *ctx) LLVMValueRef lds_base, lds_inner, lds_outer, byteoffset, buffer; LLVMValueRef out[6], vec0, vec1, tf_base, inner[4], outer[4]; int i; - emit_barrier(ctx); + emit_barrier(&ctx->ac, ctx->stage); switch (ctx->options->key.tcs.primitive_mode) { case GL_ISOLINES: @@ -6728,7 +6727,7 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm, } if (i) - emit_barrier(&ctx); + emit_barrier(&ctx.ac, ctx.stage); ac_setup_rings(&ctx); -- 2.7.4