| 1 | //===- unittests/MC/TargetRegistry.cpp ------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // The target registry code lives in Support, but it relies on linking in all |
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| 10 | // LLVM targets. We keep this test with the MC tests, which already do that, to |
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| 11 | // keep the SupportTests target small. |
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| 12 | |
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| 13 | #include "llvm/MC/TargetRegistry.h" |
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| 14 | #include "llvm/Support/TargetSelect.h" |
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| 15 | #include "gtest/gtest.h" |
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| 16 | |
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| 17 | using namespace llvm; |
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| 18 | |
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| 19 | namespace { |
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| 20 | |
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| 21 | TEST(TargetRegistry, TargetHasArchType) { |
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| 22 | // Presence of at least one target will be asserted when done with the loop, |
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| 23 | // else this would pass by accident if InitializeAllTargetInfos were omitted. |
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| 24 | int Count = 0; |
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| 25 | |
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| 26 | llvm::InitializeAllTargetInfos(); |
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| 27 | |
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| 28 | for (const Target &T : TargetRegistry::targets()) { |
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| 29 | StringRef Name = T.getName(); |
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| 30 | // There is really no way (at present) to ask a Target whether it targets |
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| 31 | // a specific architecture, because the logic for that is buried in a |
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| 32 | // predicate. |
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| 33 | // We can't ask the predicate "Are you a function that always returns |
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| 34 | // false?" |
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| 35 | // So given that the cpp backend truly has no target arch, it is skipped. |
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| 36 | if (Name != "cpp" ) { |
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| 37 | Triple::ArchType Arch = Triple::getArchTypeForLLVMName(Str: Name); |
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| 38 | EXPECT_NE(Arch, Triple::UnknownArch); |
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| 39 | ++Count; |
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| 40 | } |
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| 41 | } |
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| 42 | ASSERT_NE(Count, 0); |
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| 43 | } |
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| 44 | |
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| 45 | } // end namespace |
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| 46 | |
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