SPIRV-Tools/test/opt/pass_utils.cpp

94 lines
3.4 KiB
C++

// Copyright (c) 2016 Google Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
// https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
#include "pass_utils.h"
#include <algorithm>
#include <sstream>
namespace {
// Well, this is another place requiring the knowledge of the grammar and can be
// stale when SPIR-V is updated. It would be nice to automatically generate
// this, but the cost is just too high.
const char* kDebugOpcodes[] = {
// clang-format off
"OpSourceContinued", "OpSource", "OpSourceExtension",
"OpName", "OpMemberName", "OpString",
"OpLine", "OpNoLine", "OpModuleProcessed"
// clang-format on
};
} // anonymous namespace
namespace spvtools {
bool FindAndReplace(std::string* process_str, const std::string find_str,
const std::string replace_str) {
if (process_str->empty() || find_str.empty()) {
return false;
}
bool replaced = false;
// Note this algorithm has quadratic time complexity. It is OK for test cases
// with short strings, but might not fit in other contexts.
for (size_t pos = process_str->find(find_str, 0); pos != std::string::npos;
pos = process_str->find(find_str, pos)) {
process_str->replace(pos, find_str.length(), replace_str);
pos += replace_str.length();
replaced = true;
}
return replaced;
}
bool ContainsDebugOpcode(const char* inst) {
return std::any_of(std::begin(kDebugOpcodes), std::end(kDebugOpcodes),
[inst](const char* op) {
return std::string(inst).find(op) != std::string::npos;
});
}
std::string SelectiveJoin(const std::vector<const char*>& strings,
const std::function<bool(const char*)>& skip_dictator,
char delimiter) {
std::ostringstream oss;
for (const auto* str : strings) {
if (!skip_dictator(str)) oss << str << delimiter;
}
return oss.str();
}
std::string JoinAllInsts(const std::vector<const char*>& insts) {
return SelectiveJoin(insts, [](const char*) { return false; });
}
std::string JoinNonDebugInsts(const std::vector<const char*>& insts) {
return SelectiveJoin(
insts, [](const char* inst) { return ContainsDebugOpcode(inst); });
}
} // namespace spvtools