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

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This commit is contained in:
Marek Olšák 2019-07-23 20:34:03 -04:00
parent 0ef4c1c04d
commit 5562b6b067
1 changed files with 8 additions and 7 deletions
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15
src/gallium/drivers/radeonsi/si_shader.c
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@ -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);
}