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//===- unittests/MC/TargetRegistry.cpp ------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// The target registry code lives in Support, but it relies on linking in all
// LLVM targets. We keep this test with the MC tests, which already do that, to
// keep the SupportTests target small.
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(TargetRegistry, TargetHasArchType) {
// Presence of at least one target will be asserted when done with the loop,
// else this would pass by accident if InitializeAllTargetInfos were omitted.
int Count = 0;
llvm::InitializeAllTargetInfos();
for (const Target &T : TargetRegistry::targets()) {
StringRef Name = T.getName();
// There is really no way (at present) to ask a Target whether it targets
// a specific architecture, because the logic for that is buried in a
// predicate.
// We can't ask the predicate "Are you a function that always returns
// false?"
// So given that the cpp backend truly has no target arch, it is skipped.
if (Name != "cpp") {
Triple::ArchType Arch = Triple::getArchTypeForLLVMName(Name);
EXPECT_NE(Arch, Triple::UnknownArch);
++Count;
}
}
ASSERT_NE(Count, 0);
}
} // end namespace
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