radeonsi: don't use lp_build_if for the wrapping if block in the VS prolog

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 886ee092c22100e5f060c7efd8a9b530a2e83f0e..57c16ae67a129a99b984f7dac02a0cfa82227d6d 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -7465,9 +7465,9 @@ static void si_build_vs_prolog_function(struct si_shader_context *ctx,
                                           key->vs_prolog.num_input_sgprs + i, "");
        }
 
-       struct lp_build_if_state wrap_if_state;
        LLVMValueRef original_ret = ret;
        bool wrapped = false;
+       LLVMBasicBlockRef if_entry_block = NULL;
 
        if (key->vs_prolog.is_monolithic && key->vs_prolog.as_ngg) {
                LLVMValueRef num_threads;
@@ -7476,7 +7476,8 @@ static void si_build_vs_prolog_function(struct si_shader_context *ctx,
                num_threads = si_unpack_param(ctx, 3, 0, 8);
                ena = LLVMBuildICmp(ctx->ac.builder, LLVMIntULT,
                                        ac_get_thread_id(&ctx->ac), num_threads, "");
-               lp_build_if(&wrap_if_state, &ctx->gallivm, ena);
+               if_entry_block = LLVMGetInsertBlock(ctx->ac.builder);
+               ac_build_ifcc(&ctx->ac, ena, 11501);
                wrapped = true;
        }
 
@@ -7536,16 +7537,16 @@ static void si_build_vs_prolog_function(struct si_shader_context *ctx,
        }
 
        if (wrapped) {
-               lp_build_endif(&wrap_if_state);
+               LLVMBasicBlockRef bbs[2] = {
+                       LLVMGetInsertBlock(ctx->ac.builder),
+                       if_entry_block,
+               };
+               ac_build_endif(&ctx->ac, 11501);
 
                LLVMValueRef values[2] = {
                        ret,
                        original_ret
                };
-               LLVMBasicBlockRef bbs[2] = {
-                       wrap_if_state.true_block,
-                       wrap_if_state.entry_block
-               };
                ret = ac_build_phi(&ctx->ac, LLVMTypeOf(ret), 2, values, bbs);
        }