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/* This file is part of the sirit project.
* Copyright (c) 2019 sirit
* This software may be used and distributed according to the terms of the
* 3-Clause BSD License
*/
#include <cassert>
#include "sirit/sirit.h"
#include "stream.h"
namespace Sirit {
Id Module::OpPhi(Id result_type, std::span<const Id> operands) {
assert(operands.size() % 2 == 0);
code->Reserve(3 + operands.size());
return *code << OpId{spv::Op::OpPhi, result_type} << operands << EndOp{};
}
Id Module::DeferredOpPhi(Id result_type, std::span<const Id> blocks) {
deferred_phi_nodes.push_back(code->LocalAddress());
code->Reserve(3 + blocks.size() * 2);
*code << OpId{spv::Op::OpPhi, result_type};
for (const Id block : blocks) {
*code << u32{0} << block;
}
return *code << EndOp{};
}
Id Module::OpLoopMerge(Id merge_block, Id continue_target, spv::LoopControlMask loop_control,
std::span<const Id> literals) {
code->Reserve(4 + literals.size());
return *code << spv::Op::OpLoopMerge << merge_block << continue_target << loop_control
<< literals << EndOp{};
}
Id Module::OpSelectionMerge(Id merge_block, spv::SelectionControlMask selection_control) {
code->Reserve(3);
return *code << spv::Op::OpSelectionMerge << merge_block << selection_control << EndOp{};
}
Id Module::OpLabel() {
return Id{++bound};
}
Id Module::OpBranch(Id target_label) {
code->Reserve(2);
return *code << spv::Op::OpBranch << target_label << EndOp{};
}
Id Module::OpBranchConditional(Id condition, Id true_label, Id false_label, u32 true_weight,
u32 false_weight) {
code->Reserve(6);
*code << spv::Op::OpBranchConditional << condition << true_label << false_label;
if (true_weight != 0 || false_weight != 0) {
*code << true_weight << false_weight;
}
return *code << EndOp{};
}
Id Module::OpSwitch(Id selector, Id default_label, std::span<const Literal> literals,
std::span<const Id> labels) {
assert(literals.size() == labels.size());
const size_t size = literals.size();
code->Reserve(3 + size * 2);
*code << spv::Op::OpSwitch << selector << default_label;
for (std::size_t i = 0; i < size; ++i) {
*code << literals[i] << labels[i];
}
return *code << EndOp{};
}
void Module::OpReturn() {
code->Reserve(1);
*code << spv::Op::OpReturn << EndOp{};
}
void Module::OpUnreachable() {
code->Reserve(1);
*code << spv::Op::OpUnreachable << EndOp{};
}
Id Module::OpReturnValue(Id value) {
code->Reserve(2);
return *code << spv::Op::OpReturnValue << value << EndOp{};
}
void Module::OpKill() {
code->Reserve(1);
*code << spv::Op::OpKill << EndOp{};
}
void Module::OpDemoteToHelperInvocationEXT() {
code->Reserve(1);
*code << spv::Op::OpDemoteToHelperInvocationEXT << EndOp{};
}
} // namespace Sirit
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