Tony
83 wiersze
2.4 KiB
C++
83 wiersze
2.4 KiB
C++
#pragma once
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#include <algorithm>
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#include <cassert>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <unordered_set>
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#include <vector>
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namespace hip_impl {
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inline const std::unordered_set<std::string>& amdgpu_targets() { // The evolving list lives at:
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// https://www.llvm.org/docs/AMDGPUUsage.html#processors.
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static const std::unordered_set<std::string> r{
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"gfx700", "gfx701", "gfx702", "gfx703", "gfx704", "gfx705",
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"gfx801", "gfx802", "gfx803", "gfx805", "gfx810",
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"gfx900", "gfx902", "gfx904", "gfx906", "gfx908", "gfx909",
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"gfx1010", "gfx1011", "gfx1012", "gfx1030", "gfx1031", "gfx1032"};
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return r;
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}
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inline const std::string& code_object_extension() {
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static const std::string r{".ffa"};
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return r;
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}
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inline const std::string& fat_binary_extension() {
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static const std::string r{".adipose"};
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return r;
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}
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inline bool file_exists(const std::string& path_to) {
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return static_cast<bool>(std::ifstream{path_to});
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}
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inline std::vector<std::string> tokenize_targets(
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const std::string&
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x) { // TODO: move to regular expressions once we clarify the need to support
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// ancient standard library implementations.
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if (x.empty()) return {};
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static constexpr const char valid_characters[] = "0123456789abcdefghijklmnopqrstuvwxyz,";
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if (x.find_first_not_of(valid_characters) != std::string::npos) {
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throw std::runtime_error{"Invalid target string: " + x};
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}
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std::vector<std::string> r;
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auto it = x.cbegin();
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do {
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auto it1 = std::find(it, x.cend(), ',');
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r.emplace_back(it, it1);
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if (it1 == x.cend()) break;
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it = ++it1;
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} while (true);
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return r;
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}
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inline void validate_targets(const std::vector<std::string>& x) {
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assert(!x.empty());
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for (auto&& t : x) {
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static const std::string sufficies{"0123456789abcdefghijklmnopqrstuvwxyz"};
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static const std::string prefix{"gfx"};
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if (t.find(prefix) != 0 || t.find_first_not_of(sufficies, prefix.size()) != std::string::npos) {
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throw std::runtime_error{"Invalid target: " + t};
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}
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if (amdgpu_targets().find(t) == amdgpu_targets().cend()) {
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std::cerr << "Warning: target " << t
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<< " has not been validated yet; it may be invalid." << std::endl;
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}
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}
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}
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} // Namespace hip_impl.
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