Support watchOS and tvOS driver options
This patch should add support for almost all command-line options and
driver tinkering necessary to produce a correct "clang -cc1"
invocation for watchOS and tvOS.
llvm-svn: 251706
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index fb5d38a..603273f 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -2225,6 +2225,8 @@
case llvm::Triple::Darwin:
case llvm::Triple::MacOSX:
case llvm::Triple::IOS:
+ case llvm::Triple::TvOS:
+ case llvm::Triple::WatchOS:
TC = new toolchains::DarwinClang(*this, Target, Args);
break;
case llvm::Triple::DragonFly:
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index dbd85c0..d7b0ad1 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -67,6 +67,10 @@
/// Darwin provides an ARC runtime starting in MacOS X 10.7 and iOS 5.0.
ObjCRuntime Darwin::getDefaultObjCRuntime(bool isNonFragile) const {
+ if (isTargetWatchOSBased())
+ // FIXME: not quite iOS because of version mismatch. Choose something for
+ // now.
+ return ObjCRuntime(ObjCRuntime::iOS, TargetVersion);
if (isTargetIOSBased())
return ObjCRuntime(ObjCRuntime::iOS, TargetVersion);
if (isNonFragile)
@@ -76,7 +80,9 @@
/// Darwin provides a blocks runtime starting in MacOS X 10.6 and iOS 3.2.
bool Darwin::hasBlocksRuntime() const {
- if (isTargetIOSBased())
+ if (isTargetWatchOSBased())
+ return true;
+ else if (isTargetIOSBased())
return !isIPhoneOSVersionLT(3, 2);
else {
assert(isTargetMacOS() && "unexpected darwin target");
@@ -178,7 +184,14 @@
return Triple.getTriple();
SmallString<16> Str;
- Str += isTargetIOSBased() ? "ios" : "macosx";
+ if (isTargetWatchOSBased())
+ Str += "watchos";
+ else if (isTargetTvOSBased())
+ Str += "tvos";
+ else if (isTargetIOSBased())
+ Str += "ios";
+ else
+ Str += "macosx";
Str += getTargetVersion().getAsString();
Triple.setOSName(Str);
@@ -217,16 +230,17 @@
: Darwin(D, Triple, Args) {}
void DarwinClang::addClangWarningOptions(ArgStringList &CC1Args) const {
- // For iOS, 64-bit, promote certain warnings to errors.
- if (!isTargetMacOS() && getTriple().isArch64Bit()) {
+ // For modern targets, promote certain warnings to errors.
+ if (isTargetWatchOSBased() || getTriple().isArch64Bit()) {
// Always enable -Wdeprecated-objc-isa-usage and promote it
// to an error.
CC1Args.push_back("-Wdeprecated-objc-isa-usage");
CC1Args.push_back("-Werror=deprecated-objc-isa-usage");
- // Also error about implicit function declarations, as that
- // can impact calling conventions.
- CC1Args.push_back("-Werror=implicit-function-declaration");
+ // For iOS and watchOS, also error about implicit function declarations,
+ // as that can impact calling conventions.
+ if (!isTargetMacOS())
+ CC1Args.push_back("-Werror=implicit-function-declaration");
}
}
@@ -254,7 +268,15 @@
llvm::sys::path::remove_filename(P); // 'bin'
llvm::sys::path::append(P, "lib", "arc", "libarclite_");
// Mash in the platform.
- if (isTargetIOSSimulator())
+ if (isTargetWatchOSSimulator())
+ P += "watchsimulator";
+ else if (isTargetWatchOS())
+ P += "watchos";
+ else if (isTargetTvOSSimulator())
+ P += "appletvsimulator";
+ else if (isTargetTvOS())
+ P += "appletvos";
+ else if (isTargetIOSSimulator())
P += "iphonesimulator";
else if (isTargetIPhoneOS())
P += "iphoneos";
@@ -321,6 +343,7 @@
// Sanitizer runtime libraries requires C++.
AddCXXStdlibLibArgs(Args, CmdArgs);
}
+ // ASan is not supported on watchOS.
assert(isTargetMacOS() || isTargetIOSSimulator());
StringRef OS = isTargetMacOS() ? "osx" : "iossim";
AddLinkRuntimeLib(
@@ -374,7 +397,13 @@
CmdArgs.push_back("-lSystem");
// Select the dynamic runtime library and the target specific static library.
- if (isTargetIOSBased()) {
+ if (isTargetWatchOSBased()) {
+ // We currently always need a static runtime library for watchOS.
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.watchos.a");
+ } else if (isTargetTvOSBased()) {
+ // We currently always need a static runtime library for tvOS.
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.tvos.a");
+ } else if (isTargetIOSBased()) {
// If we are compiling as iOS / simulator, don't attempt to link libgcc_s.1,
// it never went into the SDK.
// Linking against libgcc_s.1 isn't needed for iOS 5.0+
@@ -435,25 +464,46 @@
Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
Arg *iOSVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ);
+ Arg *TvOSVersion = Args.getLastArg(options::OPT_mtvos_version_min_EQ);
+ Arg *WatchOSVersion = Args.getLastArg(options::OPT_mwatchos_version_min_EQ);
- if (OSXVersion && iOSVersion) {
+ if (OSXVersion && (iOSVersion || TvOSVersion || WatchOSVersion)) {
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
- << OSXVersion->getAsString(Args) << iOSVersion->getAsString(Args);
- iOSVersion = nullptr;
- } else if (!OSXVersion && !iOSVersion) {
+ << OSXVersion->getAsString(Args)
+ << (iOSVersion ? iOSVersion :
+ TvOSVersion ? TvOSVersion : WatchOSVersion)->getAsString(Args);
+ iOSVersion = TvOSVersion = WatchOSVersion = nullptr;
+ } else if (iOSVersion && (TvOSVersion || WatchOSVersion)) {
+ getDriver().Diag(diag::err_drv_argument_not_allowed_with)
+ << iOSVersion->getAsString(Args)
+ << (TvOSVersion ? TvOSVersion : WatchOSVersion)->getAsString(Args);
+ TvOSVersion = WatchOSVersion = nullptr;
+ } else if (TvOSVersion && WatchOSVersion) {
+ getDriver().Diag(diag::err_drv_argument_not_allowed_with)
+ << TvOSVersion->getAsString(Args)
+ << WatchOSVersion->getAsString(Args);
+ WatchOSVersion = nullptr;
+ } else if (!OSXVersion && !iOSVersion && !TvOSVersion && !WatchOSVersion) {
// If no deployment target was specified on the command line, check for
// environment defines.
std::string OSXTarget;
std::string iOSTarget;
+ std::string TvOSTarget;
+ std::string WatchOSTarget;
+
if (char *env = ::getenv("MACOSX_DEPLOYMENT_TARGET"))
OSXTarget = env;
if (char *env = ::getenv("IPHONEOS_DEPLOYMENT_TARGET"))
iOSTarget = env;
+ if (char *env = ::getenv("TVOS_DEPLOYMENT_TARGET"))
+ TvOSTarget = env;
+ if (char *env = ::getenv("WATCHOS_DEPLOYMENT_TARGET"))
+ WatchOSTarget = env;
// If there is no command-line argument to specify the Target version and
// no environment variable defined, see if we can set the default based
// on -isysroot.
- if (iOSTarget.empty() && OSXTarget.empty() &&
+ if (OSXTarget.empty() && iOSTarget.empty() && WatchOSTarget.empty() &&
Args.hasArg(options::OPT_isysroot)) {
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
StringRef isysroot = A->getValue();
@@ -473,6 +523,12 @@
iOSTarget = Version;
else if (SDK.startswith("MacOSX"))
OSXTarget = Version;
+ else if (SDK.startswith("WatchOS") ||
+ SDK.startswith("WatchSimulator"))
+ WatchOSTarget = Version;
+ else if (SDK.startswith("AppleTVOS") ||
+ SDK.startswith("AppleTVSimulator"))
+ TvOSTarget = Version;
}
}
}
@@ -480,7 +536,8 @@
// If no OSX or iOS target has been specified, try to guess platform
// from arch name and compute the version from the triple.
- if (OSXTarget.empty() && iOSTarget.empty()) {
+ if (OSXTarget.empty() && iOSTarget.empty() && TvOSTarget.empty() &&
+ WatchOSTarget.empty()) {
StringRef MachOArchName = getMachOArchName(Args);
unsigned Major, Minor, Micro;
if (MachOArchName == "armv7" || MachOArchName == "armv7s" ||
@@ -488,6 +545,10 @@
getTriple().getiOSVersion(Major, Minor, Micro);
llvm::raw_string_ostream(iOSTarget) << Major << '.' << Minor << '.'
<< Micro;
+ } else if (MachOArchName == "armv7k") {
+ getTriple().getWatchOSVersion(Major, Minor, Micro);
+ llvm::raw_string_ostream(WatchOSTarget) << Major << '.' << Minor << '.'
+ << Micro;
} else if (MachOArchName != "armv6m" && MachOArchName != "armv7m" &&
MachOArchName != "armv7em") {
if (!getTriple().getMacOSXVersion(Major, Minor, Micro)) {
@@ -499,15 +560,32 @@
}
}
+ // Do not allow conflicts with the watchOS target.
+ if (!WatchOSTarget.empty() && (!iOSTarget.empty() || !TvOSTarget.empty())) {
+ getDriver().Diag(diag::err_drv_conflicting_deployment_targets)
+ << "WATCHOS_DEPLOYMENT_TARGET"
+ << (!iOSTarget.empty() ? "IPHONEOS_DEPLOYMENT_TARGET" :
+ "TVOS_DEPLOYMENT_TARGET");
+ }
+
+ // Do not allow conflicts with the tvOS target.
+ if (!TvOSTarget.empty() && !iOSTarget.empty()) {
+ getDriver().Diag(diag::err_drv_conflicting_deployment_targets)
+ << "TVOS_DEPLOYMENT_TARGET"
+ << "IPHONEOS_DEPLOYMENT_TARGET";
+ }
+
// Allow conflicts among OSX and iOS for historical reasons, but choose the
// default platform.
- if (!OSXTarget.empty() && !iOSTarget.empty()) {
+ if (!OSXTarget.empty() && (!iOSTarget.empty() ||
+ !WatchOSTarget.empty() ||
+ !TvOSTarget.empty())) {
if (getTriple().getArch() == llvm::Triple::arm ||
getTriple().getArch() == llvm::Triple::aarch64 ||
getTriple().getArch() == llvm::Triple::thumb)
OSXTarget = "";
else
- iOSTarget = "";
+ iOSTarget = WatchOSTarget = TvOSTarget = "";
}
if (!OSXTarget.empty()) {
@@ -518,6 +596,14 @@
const Option O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
iOSVersion = Args.MakeJoinedArg(nullptr, O, iOSTarget);
Args.append(iOSVersion);
+ } else if (!TvOSTarget.empty()) {
+ const Option O = Opts.getOption(options::OPT_mtvos_version_min_EQ);
+ TvOSVersion = Args.MakeJoinedArg(nullptr, O, TvOSTarget);
+ Args.append(TvOSVersion);
+ } else if (!WatchOSTarget.empty()) {
+ const Option O = Opts.getOption(options::OPT_mwatchos_version_min_EQ);
+ WatchOSVersion = Args.MakeJoinedArg(nullptr, O, WatchOSTarget);
+ Args.append(WatchOSVersion);
}
}
@@ -526,6 +612,10 @@
Platform = MacOS;
else if (iOSVersion)
Platform = IPhoneOS;
+ else if (TvOSVersion)
+ Platform = TvOS;
+ else if (WatchOSVersion)
+ Platform = WatchOS;
else
llvm_unreachable("Unable to infer Darwin variant");
@@ -533,7 +623,8 @@
unsigned Major, Minor, Micro;
bool HadExtra;
if (Platform == MacOS) {
- assert(!iOSVersion && "Unknown target platform!");
+ assert((!iOSVersion && !TvOSVersion && !WatchOSVersion) &&
+ "Unknown target platform!");
if (!Driver::GetReleaseVersion(OSXVersion->getValue(), Major, Minor, Micro,
HadExtra) ||
HadExtra || Major != 10 || Minor >= 100 || Micro >= 100)
@@ -546,6 +637,18 @@
HadExtra || Major >= 10 || Minor >= 100 || Micro >= 100)
getDriver().Diag(diag::err_drv_invalid_version_number)
<< iOSVersion->getAsString(Args);
+ } else if (Platform == TvOS) {
+ if (!Driver::GetReleaseVersion(TvOSVersion->getValue(), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major >= 10 || Minor >= 100 || Micro >= 100)
+ getDriver().Diag(diag::err_drv_invalid_version_number)
+ << TvOSVersion->getAsString(Args);
+ } else if (Platform == WatchOS) {
+ if (!Driver::GetReleaseVersion(WatchOSVersion->getValue(), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major >= 10 || Minor >= 100 || Micro >= 100)
+ getDriver().Diag(diag::err_drv_invalid_version_number)
+ << WatchOSVersion->getAsString(Args);
} else
llvm_unreachable("unknown kind of Darwin platform");
@@ -553,6 +656,12 @@
if (iOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
getTriple().getArch() == llvm::Triple::x86_64))
Platform = IPhoneOSSimulator;
+ if (TvOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
+ getTriple().getArch() == llvm::Triple::x86_64))
+ Platform = TvOSSimulator;
+ if (WatchOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
+ getTriple().getArch() == llvm::Triple::x86_64))
+ Platform = WatchOSSimulator;
setTarget(Platform, Major, Minor, Micro);
}
@@ -613,7 +722,11 @@
llvm::sys::path::append(P, "lib", "darwin");
// Use the newer cc_kext for iOS ARM after 6.0.
- if (isTargetIPhoneOS()) {
+ if (isTargetWatchOS()) {
+ llvm::sys::path::append(P, "libclang_rt.cc_kext_watchos.a");
+ } else if (isTargetTvOS()) {
+ llvm::sys::path::append(P, "libclang_rt.cc_kext_tvos.a");
+ } else if (isTargetIPhoneOS()) {
llvm::sys::path::append(P, "libclang_rt.cc_kext_ios.a");
} else {
llvm::sys::path::append(P, "libclang_rt.cc_kext.a");
@@ -874,8 +987,9 @@
// FIXME: It would be far better to avoid inserting those -static arguments,
// but we can't check the deployment target in the translation code until
// it is set here.
- if (isTargetIOSBased() && !isIPhoneOSVersionLT(6, 0)) {
- for (ArgList::iterator it = DAL->begin(), ie = DAL->end(); it != ie;) {
+ if (isTargetWatchOSBased() ||
+ (isTargetIOSBased() && !isIPhoneOSVersionLT(6, 0))) {
+ for (ArgList::iterator it = DAL->begin(), ie = DAL->end(); it != ie; ) {
Arg *A = *it;
++it;
if (A->getOption().getID() != options::OPT_mkernel &&
@@ -891,7 +1005,8 @@
// Default to use libc++ on OS X 10.9+ and iOS 7+.
if (((isTargetMacOS() && !isMacosxVersionLT(10, 9)) ||
- (isTargetIOSBased() && !isIPhoneOSVersionLT(7, 0))) &&
+ (isTargetIOSBased() && !isIPhoneOSVersionLT(7, 0)) ||
+ isTargetWatchOSBased()) &&
!Args.getLastArg(options::OPT_stdlib_EQ))
DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_stdlib_EQ),
"libc++");
@@ -948,7 +1063,15 @@
ArgStringList &CmdArgs) const {
VersionTuple TargetVersion = getTargetVersion();
- if (isTargetIOSSimulator())
+ if (isTargetWatchOS())
+ CmdArgs.push_back("-watchos_version_min");
+ else if (isTargetWatchOSSimulator())
+ CmdArgs.push_back("-watchos_simulator_version_min");
+ else if (isTargetTvOS())
+ CmdArgs.push_back("-tvos_version_min");
+ else if (isTargetTvOSSimulator())
+ CmdArgs.push_back("-tvos_simulator_version_min");
+ else if (isTargetIOSSimulator())
CmdArgs.push_back("-ios_simulator_version_min");
else if (isTargetIOSBased())
CmdArgs.push_back("-iphoneos_version_min");
@@ -965,7 +1088,9 @@
// Derived from startfile spec.
if (Args.hasArg(options::OPT_dynamiclib)) {
// Derived from darwin_dylib1 spec.
- if (isTargetIOSSimulator()) {
+ if (isTargetWatchOSBased()) {
+ ; // watchOS does not need dylib1.o.
+ } else if (isTargetIOSSimulator()) {
; // iOS simulator does not need dylib1.o.
} else if (isTargetIPhoneOS()) {
if (isIPhoneOSVersionLT(3, 1))
@@ -980,7 +1105,9 @@
if (Args.hasArg(options::OPT_bundle)) {
if (!Args.hasArg(options::OPT_static)) {
// Derived from darwin_bundle1 spec.
- if (isTargetIOSSimulator()) {
+ if (isTargetWatchOSBased()) {
+ ; // watchOS does not need bundle1.o.
+ } else if (isTargetIOSSimulator()) {
; // iOS simulator does not need bundle1.o.
} else if (isTargetIPhoneOS()) {
if (isIPhoneOSVersionLT(3, 1))
@@ -1015,7 +1142,9 @@
CmdArgs.push_back("-lcrt0.o");
} else {
// Derived from darwin_crt1 spec.
- if (isTargetIOSSimulator()) {
+ if (isTargetWatchOSBased()) {
+ ; // watchOS does not need crt1.o.
+ } else if (isTargetIOSSimulator()) {
; // iOS simulator does not need crt1.o.
} else if (isTargetIPhoneOS()) {
if (getArch() == llvm::Triple::aarch64)
@@ -1040,6 +1169,7 @@
}
if (!isTargetIPhoneOS() && Args.hasArg(options::OPT_shared_libgcc) &&
+ !isTargetWatchOS() &&
isMacosxVersionLT(10, 5)) {
const char *Str = Args.MakeArgString(GetFilePath("crt3.o"));
CmdArgs.push_back(Str);
@@ -1049,7 +1179,8 @@
bool Darwin::SupportsObjCGC() const { return isTargetMacOS(); }
void Darwin::CheckObjCARC() const {
- if (isTargetIOSBased() || (isTargetMacOS() && !isMacosxVersionLT(10, 6)))
+ if (isTargetIOSBased() || isTargetWatchOSBased() ||
+ (isTargetMacOS() && !isMacosxVersionLT(10, 6)))
return;
getDriver().Diag(diag::err_arc_unsupported_on_toolchain);
}
diff --git a/clang/lib/Driver/ToolChains.h b/clang/lib/Driver/ToolChains.h
index 4d25a3b..d884032 100644
--- a/clang/lib/Driver/ToolChains.h
+++ b/clang/lib/Driver/ToolChains.h
@@ -354,7 +354,15 @@
// the argument translation business.
mutable bool TargetInitialized;
- enum DarwinPlatformKind { MacOS, IPhoneOS, IPhoneOSSimulator };
+ enum DarwinPlatformKind {
+ MacOS,
+ IPhoneOS,
+ IPhoneOSSimulator,
+ TvOS,
+ TvOSSimulator,
+ WatchOS,
+ WatchOSSimulator
+ };
mutable DarwinPlatformKind TargetPlatform;
@@ -382,7 +390,8 @@
llvm::opt::ArgStringList &CmdArgs) const override;
bool isKernelStatic() const override {
- return !isTargetIPhoneOS() || isIPhoneOSVersionLT(6, 0);
+ return (!(isTargetIPhoneOS() && !isIPhoneOSVersionLT(6, 0)) &&
+ !isTargetWatchOS());
}
void addProfileRTLibs(const llvm::opt::ArgList &Args,
@@ -411,12 +420,13 @@
bool isTargetIPhoneOS() const {
assert(TargetInitialized && "Target not initialized!");
- return TargetPlatform == IPhoneOS;
+ return TargetPlatform == IPhoneOS || TargetPlatform == TvOS;
}
bool isTargetIOSSimulator() const {
assert(TargetInitialized && "Target not initialized!");
- return TargetPlatform == IPhoneOSSimulator;
+ return TargetPlatform == IPhoneOSSimulator ||
+ TargetPlatform == TvOSSimulator;
}
bool isTargetIOSBased() const {
@@ -424,6 +434,36 @@
return isTargetIPhoneOS() || isTargetIOSSimulator();
}
+ bool isTargetTvOS() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetPlatform == TvOS;
+ }
+
+ bool isTargetTvOSSimulator() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetPlatform == TvOSSimulator;
+ }
+
+ bool isTargetTvOSBased() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetPlatform == TvOS || TargetPlatform == TvOSSimulator;
+ }
+
+ bool isTargetWatchOS() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetPlatform == WatchOS;
+ }
+
+ bool isTargetWatchOSSimulator() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetPlatform == WatchOSSimulator;
+ }
+
+ bool isTargetWatchOSBased() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetPlatform == WatchOS || TargetPlatform == WatchOSSimulator;
+ }
+
bool isTargetMacOS() const {
assert(TargetInitialized && "Target not initialized!");
return TargetPlatform == MacOS;
@@ -474,7 +514,7 @@
unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
// Stack protectors default to on for user code on 10.5,
// and for everything in 10.6 and beyond
- if (isTargetIOSBased())
+ if (isTargetIOSBased() || isTargetWatchOSBased())
return 1;
else if (isTargetMacOS() && !isMacosxVersionLT(10, 6))
return 1;
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 3e4cb31..29b100e 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3128,7 +3128,8 @@
// This kernel flags are a trump-card: they will disable PIC/PIE
// generation, independent of the argument order.
- if (KernelOrKext && (!Triple.isiOS() || Triple.isOSVersionLT(6)))
+ if (KernelOrKext && ((!Triple.isiOS() || Triple.isOSVersionLT(6)) &&
+ !Triple.isWatchOS()))
PIC = PIE = false;
if (Arg *A = Args.getLastArg(options::OPT_mdynamic_no_pic)) {
@@ -6232,7 +6233,11 @@
// extract arch from default cpu of the Triple
ArchKind = llvm::ARM::parseCPUArch(Triple.getARMCPUForArch(ARMArch));
} else {
- ArchKind = llvm::ARM::parseCPUArch(CPU);
+ // FIXME: horrible hack to get around the fact that Cortex-A7 is only an
+ // armv7k triple if it's actually been specified via "-arch armv7k".
+ ArchKind = (Arch == "armv7k" || Arch == "thumbv7k")
+ ? llvm::ARM::AK_ARMV7K
+ : llvm::ARM::parseCPUArch(CPU);
}
if (ArchKind == llvm::ARM::AK_INVALID)
return "";
diff --git a/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
index d2e54ee..1459083 100644
--- a/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
@@ -522,7 +522,8 @@
static bool supportsNilWithFloatRet(const llvm::Triple &triple) {
return (triple.getVendor() == llvm::Triple::Apple &&
- (triple.isiOS() || !triple.isMacOSXVersionLT(10,5)));
+ (triple.isiOS() || triple.isWatchOS() ||
+ !triple.isMacOSXVersionLT(10,5)));
}
void CallAndMessageChecker::HandleNilReceiver(CheckerContext &C,