--- /dev/null
+// Check that SDKROOT does not infer simulator on when it points to a regular
+// SDK.
+// REQUIRES: system-darwin
+//
+// RUN: rm -rf %t/SDKs/iPhoneOS8.0.0.sdk
+// RUN: mkdir -p %t/SDKs/iPhoneOS8.0.0.sdk
+// RUN: env SDKROOT=%t/SDKs/iPhoneOS8.0.0.sdk %clang %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-IPHONE %s
+// CHECK-IPHONE: clang
+// CHECK-IPHONE: "-cc1"
+// CHECK-IPHONE: -apple-ios8.0.0"
+// CHECK-IPHONE: ld
+// CHECK-IPHONE: "-iphoneos_version_min" "8.0.0"
+//
+//
+// RUN: rm -rf %t/SDKs/iPhoneSimulator8.0.sdk
+// RUN: mkdir -p %t/SDKs/iPhoneSimulator8.0.sdk
+// RUN: env SDKROOT=%t/SDKs/iPhoneSimulator8.0.sdk %clang %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-SIMULATOR %s
+//
+// CHECK-SIMULATOR: clang
+// CHECK-SIMULATOR: "-cc1"
+// CHECK-SIMULATOR: -apple-ios8.0.0-simulator"
+// CHECK-SIMULATOR: ld
+// CHECK-SIMULATOR: "-ios_simulator_version_min" "8.0.0"
+//
+//
+// RUN: rm -rf %t/SDKs/WatchOS3.0.sdk
+// RUN: mkdir -p %t/SDKs/WatchOS3.0.sdk
+// RUN: env SDKROOT=%t/SDKs/WatchOS3.0.sdk %clang %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-WATCH %s
+//
+// CHECK-WATCH: clang
+// CHECK-WATCH: "-cc1"
+// CHECK-WATCH: -apple-watchos3.0.0"
+// CHECK-WATCH: ld
+// CHECK-WATCH: "-watchos_version_min" "3.0.0"
+//
+//
+// RUN: rm -rf %t/SDKs/WatchSimulator3.0.sdk
+// RUN: mkdir -p %t/SDKs/WatchSimulator3.0.sdk
+// RUN: env SDKROOT=%t/SDKs/WatchSimulator3.0.sdk %clang %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-WATCH-SIMULATOR %s
+//
+// CHECK-WATCH-SIMULATOR: clang
+// CHECK-WATCH-SIMULATOR: "-cc1"
+// CHECK-WATCH-SIMULATOR: -apple-watchos3.0.0-simulator"
+// CHECK-WATCH-SIMULATOR: ld
+// CHECK-WATCH-SIMULATOR: "-watchos_simulator_version_min" "3.0.0"
+//
+//
+// RUN: rm -rf %t/SDKs/AppleTVOS10.0.sdk
+// RUN: mkdir -p %t/SDKs/AppleTVOS10.0.sdk
+// RUN: env SDKROOT=%t/SDKs/AppleTVOS10.0.sdk %clang %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-TV %s
+//
+// CHECK-TV: clang
+// CHECK-TV: "-cc1"
+// CHECK-TV: -apple-tvos10.0.0"
+// CHECK-TV: ld
+// CHECK-TV: "-tvos_version_min" "10.0.0"
+//
+//
+// RUN: rm -rf %t/SDKs/AppleTVSimulator10.0.sdk
+// RUN: mkdir -p %t/SDKs/AppleTVSimulator10.0.sdk
+// RUN: env SDKROOT=%t/SDKs/AppleTVSimulator10.0.sdk %clang %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-TV-SIMULATOR %s
+//
+// CHECK-TV-SIMULATOR: clang
+// CHECK-TV-SIMULATOR: "-cc1"
+// CHECK-TV-SIMULATOR: -apple-tvos10.0.0-simulator"
+// CHECK-TV-SIMULATOR: ld
+// CHECK-TV-SIMULATOR: "-tvos_simulator_version_min" "10.0.0"
// Check that SDKROOT is used to define the default for -isysroot on Darwin.
-// REQUIRES: system-darwin
//
// RUN: rm -rf %t.tmpdir
// RUN: mkdir -p %t.tmpdir
// CHECK-IPHONE: "-triple" "arm64-apple-ios8.0.0"
// CHECK-IPHONE: ld
// CHECK-IPHONE: "-iphoneos_version_min" "8.0.0"
-// RUN: env SDKROOT=%t/SDKs/iPhoneOS8.0.0.sdk %clang %s -### 2>&1 \
-// RUN: | FileCheck --check-prefix=CHECK-IPHONE-X86 %s
-// CHECK-IPHONE-X86: clang
-// CHECK-IPHONE-X86: "-cc1"
-// CHECK-IPHONE-X86: -apple-ios8.0.0"
-// CHECK-IPHONE-X86: ld
-// CHECK-IPHONE-X86: "-iphoneos_version_min" "8.0.0"
//
//
// RUN: rm -rf %t/SDKs/iPhoneSimulator8.0.sdk
// RUN: mkdir -p %t/SDKs/iPhoneSimulator8.0.sdk
// RUN: env SDKROOT=%t/SDKs/iPhoneSimulator8.0.sdk %clang -target x86_64-apple-darwin %s -### 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-SIMULATOR %s
-// RUN: env SDKROOT=%t/SDKs/iPhoneSimulator8.0.sdk %clang -arch x86_64 %s -### 2>&1 \
-// RUN: | FileCheck --check-prefix=CHECK-SIMULATOR %s
//
// CHECK-SIMULATOR: clang
// CHECK-SIMULATOR: "-cc1"
// CHECK-MACOSX: "-triple" "x86_64-apple-macosx10.10.0"
// CHECK-MACOSX: ld
// CHECK-MACOSX: "-macosx_version_min" "10.10.0"
-
-// RUN: rm -rf %t/SDKs/WatchOS3.0.sdk
-// RUN: mkdir -p %t/SDKs/WatchOS3.0.sdk
-// RUN: env SDKROOT=%t/SDKs/WatchOS3.0.sdk %clang %s -### 2>&1 \
-// RUN: | FileCheck --check-prefix=CHECK-WATCH %s
-//
-// CHECK-WATCH: clang
-// CHECK-WATCH: "-cc1"
-// CHECK-WATCH: -apple-watchos3.0.0"
-// CHECK-WATCH: ld
-// CHECK-WATCH: "-watchos_version_min" "3.0.0"
-//
-//
-// RUN: rm -rf %t/SDKs/WatchSimulator3.0.sdk
-// RUN: mkdir -p %t/SDKs/WatchSimulator3.0.sdk
-// RUN: env SDKROOT=%t/SDKs/WatchSimulator3.0.sdk %clang %s -### 2>&1 \
-// RUN: | FileCheck --check-prefix=CHECK-WATCH-SIMULATOR %s
-//
-// CHECK-WATCH-SIMULATOR: clang
-// CHECK-WATCH-SIMULATOR: "-cc1"
-// CHECK-WATCH-SIMULATOR: -apple-watchos3.0.0-simulator"
-// CHECK-WATCH-SIMULATOR: ld
-// CHECK-WATCH-SIMULATOR: "-watchos_simulator_version_min" "3.0.0"
-
-// RUN: rm -rf %t/SDKs/AppleTVOS10.0.sdk
-// RUN: mkdir -p %t/SDKs/AppleTVOS10.0.sdk
-// RUN: env SDKROOT=%t/SDKs/AppleTVOS10.0.sdk %clang %s -### 2>&1 \
-// RUN: | FileCheck --check-prefix=CHECK-TV %s
-//
-// CHECK-TV: clang
-// CHECK-TV: "-cc1"
-// CHECK-TV: -apple-tvos10.0.0"
-// CHECK-TV: ld
-// CHECK-TV: "-tvos_version_min" "10.0.0"
-//
-//
-// RUN: rm -rf %t/SDKs/AppleTVSimulator10.0.sdk
-// RUN: mkdir -p %t/SDKs/AppleTVSimulator10.0.sdk
-// RUN: env SDKROOT=%t/SDKs/AppleTVSimulator10.0.sdk %clang %s -### 2>&1 \
-// RUN: | FileCheck --check-prefix=CHECK-TV-SIMULATOR %s
-//
-// CHECK-TV-SIMULATOR: clang
-// CHECK-TV-SIMULATOR: "-cc1"
-// CHECK-TV-SIMULATOR: -apple-tvos10.0.0-simulator"
-// CHECK-TV-SIMULATOR: ld
-// CHECK-TV-SIMULATOR: "-tvos_simulator_version_min" "10.0.0"