1 //===- unittests/MC/TargetRegistry.cpp ------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // The target registry code lives in Support, but it relies on linking in all 11 // LLVM targets. We keep this test with the MC tests, which already do that, to 12 // keep the SupportTests target small. 13 14 #include "llvm/Support/TargetRegistry.h" 15 #include "llvm/Support/TargetSelect.h" 16 #include "gtest/gtest.h" 17 18 using namespace llvm; 19 20 namespace { 21 22 TEST(TargetRegistry, TargetHasArchType) { 23 // Presence of at least one target will be asserted when done with the loop, 24 // else this would pass by accident if InitializeAllTargetInfos were omitted. 25 int Count = 0; 26 27 llvm::InitializeAllTargetInfos(); 28 29 for (const Target &T : TargetRegistry::targets()) { 30 StringRef Name = T.getName(); 31 // There is really no way (at present) to ask a Target whether it targets 32 // a specific architecture, because the logic for that is buried in a 33 // predicate. 34 // We can't ask the predicate "Are you a function that always returns 35 // false?" 36 // So given that the cpp backend truly has no target arch, it is skipped. 37 if (Name != "cpp") { 38 Triple::ArchType Arch = Triple::getArchTypeForLLVMName(Name); 39 EXPECT_NE(Arch, Triple::UnknownArch); 40 ++Count; 41 } 42 } 43 ASSERT_NE(Count, 0); 44 } 45 46 } // end namespace 47
