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-rw-r--r--lib/Lex/PPMacroExpansion.cpp6
-rw-r--r--test/Preprocessor/is_target_arm64.c10
2 files changed, 13 insertions, 3 deletions
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 3d72006bad..9b062643b9 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -1615,9 +1615,9 @@ static bool isTargetArch(const TargetInfo &TI, const IdentifierInfo *II) {
}
// Check the parsed arch when it has no sub arch to allow Clang to
// match thumb to thumbv7 but to prohibit matching thumbv6 to thumbv7.
- return (Arch.getSubArch() == llvm::Triple::NoSubArch &&
- Arch.getArch() == TT.getArch()) ||
- Arch.getArchName() == TT.getArchName();
+ return (Arch.getSubArch() == llvm::Triple::NoSubArch ||
+ Arch.getSubArch() == TT.getSubArch()) &&
+ Arch.getArch() == TT.getArch();
}
/// Implements the __is_target_vendor builtin macro.
diff --git a/test/Preprocessor/is_target_arm64.c b/test/Preprocessor/is_target_arm64.c
new file mode 100644
index 0000000000..87ebe94d18
--- /dev/null
+++ b/test/Preprocessor/is_target_arm64.c
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -fsyntax-only -triple arm64-apple-ios11 -verify %s
+// expected-no-diagnostics
+
+#if !__is_target_arch(arm64) || !__is_target_arch(aarch64)
+ #error "mismatching arch"
+#endif
+
+#if __is_target_arch(aarch64_be)
+ #error "mismatching arch"
+#endif