ARM: Add command line option to select big or little endian

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@205967 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index dd2a2bc64fd11746cc4ace2a280ce13a4d81f937..eefe487b3293baad570f9fe5c811374f735b12fc 100644 (file)
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -205,6 +205,16 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
     bool IsBigEndian = getTriple().getArch() == llvm::Triple::armeb ||
                        getTriple().getArch() == llvm::Triple::thumbeb;
 
+    // Handle pseudo-target flags '-mlittle-endian'/'-EL' and
+    // '-mbig-endian'/'-EB'.
+    if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
+                                 options::OPT_mbig_endian)) {
+      if (A->getOption().matches(options::OPT_mlittle_endian))
+        IsBigEndian = false;
+      else
+        IsBigEndian = true;
+    }
+
     // Thumb2 is the default for V7 on Darwin.
     //
     // FIXME: Thumb should just be another -target-feaure, not in the triple.

diff --git a/test/Driver/arm-cortex-cpus.c b/test/Driver/arm-cortex-cpus.c
index 242fe0d241a002493244b23c08ed6cb5b4b30457..d2822b618a5f756a0ef13c3dff1a30f9761404c1 100644 (file)
--- a/test/Driver/arm-cortex-cpus.c
+++ b/test/Driver/arm-cortex-cpus.c
@@ -104,30 +104,48 @@
 // RUN: %clang -target arm-linux-gnueabi -march=armv7-r -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V7R-THUMB %s
 // CHECK-V7R-THUMB: "-cc1"{{.*}} "-triple" "thumbv7r-{{.*}} "-target-cpu" "cortex-r4"
 
-// RUN: %clang -target armv8  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
 // RUN: %clang -target arm -march=armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
 // RUN: %clang -target armv8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
 // RUN: %clang -target arm -march=armv8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
-// RUN: %clang -target arm -march=armv8-a  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target arm -march=armv8-a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target armv8 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target arm -march=armv8 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target armv8a -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target arm -march=armv8a -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
+// RUN: %clang -target arm -mlittle-endian -march=armv8-a -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A %s
 // CHECK-V8A: "-cc1"{{.*}} "-triple" "armv8-{{.*}}" "-target-cpu" "cortex-a53"
 
-// RUN: %clang -target armebv8  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target armebv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
 // RUN: %clang -target armeb -march=armebv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
 // RUN: %clang -target armebv8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
 // RUN: %clang -target armeb -march=armebv8a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
-// RUN: %clang -target armeb -march=armebv8-a  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target armeb -march=armebv8-a -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target armv8 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target arm -march=armebv8 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target armv8a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target arm -march=armebv8a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
+// RUN: %clang -target arm -march=armebv8-a -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A %s
 // CHECK-BE-V8A: "-cc1"{{.*}} "-triple" "armebv8-{{.*}}" "-target-cpu" "cortex-a53"
 
 // RUN: %clang -target armv8 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
 // RUN: %clang -target arm -march=armv8 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
 // RUN: %clang -target armv8a -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
 // RUN: %clang -target arm -march=armv8a -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
+// RUN: %clang -target armv8 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
+// RUN: %clang -target arm -march=armv8 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
+// RUN: %clang -target armv8a -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
+// RUN: %clang -target arm -march=armv8a -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-V8A-THUMB %s
 // CHECK-V8A-THUMB: "-cc1"{{.*}} "-triple" "thumbv8-{{.*}}" "-target-cpu" "cortex-a53"
 
 // RUN: %clang -target armebv8 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
 // RUN: %clang -target armeb -march=armebv8 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
 // RUN: %clang -target armebv8a -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
 // RUN: %clang -target armeb -march=armebv8a -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
+// RUN: %clang -target armv8 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
+// RUN: %clang -target arm -march=armebv8 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
+// RUN: %clang -target armv8a -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
+// RUN: %clang -target arm -march=armebv8a -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-V8A-THUMB %s
 // CHECK-BE-V8A-THUMB: "-cc1"{{.*}} "-triple" "thumbebv8-{{.*}}" "-target-cpu" "cortex-a53"
 
 // ================== Check default Architecture on each Cortex CPU
@@ -137,6 +155,12 @@
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a5 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a7 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a8 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A %s
 // CHECK-CPUV7A: "-cc1"{{.*}} "-triple" "armv7-{{.*}}
 
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a5 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
@@ -145,67 +169,105 @@
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a9 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a12 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a15 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a5 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a7 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a8 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A %s
 // CHECK-BE-CPUV7A: "-cc1"{{.*}} "-triple" "armebv7-{{.*}}
 
-// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a5  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
-// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a7  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
-// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a8  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
-// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
-// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -mthumb  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
-// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -mthumb  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a5 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a7 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a8 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a5 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a7 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a8 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7A-THUMB %s
 // CHECK-CPUV7A-THUMB: "-cc1"{{.*}} "-triple" "thumbv7-{{.*}}
 
-// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a5  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
-// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a7  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
-// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a8  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
-// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a9  -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
-// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a12 -mthumb  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
-// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a15 -mthumb  -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a5 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a7 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a8 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a9 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a12 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-a15 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a5 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a7 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a8 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a9 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a12 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-a15 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7A-THUMB %s
 // CHECK-BE-CPUV7A-THUMB: "-cc1"{{.*}} "-triple" "thumbebv7-{{.*}}
 
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m0 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV6M %s
 // CHECK-CPUV6M: "-cc1"{{.*}} "-triple" "thumbv6m-{{.*}}
 
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m3 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7M %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m3 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7M %s
 // CHECK-CPUV7M: "-cc1"{{.*}} "-triple" "thumbv7m-{{.*}}
 
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-m3 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7M %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m3 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7M %s
 // CHECK-BE-CPUV7M: "-cc1"{{.*}} "-triple" "thumbebv7m-{{.*}}
 
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m4 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7EM %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m4 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7EM %s
 // CHECK-CPUV7EM: "-cc1"{{.*}} "-triple" "thumbv7em-{{.*}}
 
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-m4 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7EM %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m4 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7EM %s
 // CHECK-BE-CPUV7EM: "-cc1"{{.*}} "-triple" "thumbebv7em-{{.*}}
 
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r4 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R %s
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r5 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r4 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r5 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R %s
 // CHECK-CPUV7R: "-cc1"{{.*}} "-triple" "armv7r-{{.*}}
 
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-r4 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R %s
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-r5 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r4 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r5 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R %s
 // CHECK-BE-CPUV7R: "-cc1"{{.*}} "-triple" "armebv7r-{{.*}}
 
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r4 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R-THUMB %s
 // RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r5 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r4 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r5 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV7R-THUMB %s
 // CHECK-CPUV7R-THUMB: "-cc1"{{.*}} "-triple" "thumbv7r-{{.*}}
 
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-r4 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R-THUMB %s
 // RUN: %clang -target armeb-linux-gnueabi -mcpu=cortex-r5 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r4 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R-THUMB %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-r5 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV7R-THUMB %s
 // CHECK-BE-CPUV7R-THUMB: "-cc1"{{.*}} "-triple" "thumbebv7r-{{.*}}
 
 // RUN: %clang -target arm -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A %s
 // RUN: %clang -target arm -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A %s
+// RUN: %clang -target arm -mcpu=cortex-a53 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A %s
+// RUN: %clang -target arm -mcpu=cortex-a57 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A %s
 // CHECK-CPUV8A: "-cc1"{{.*}} "-triple" "armv8-{{.*}}
 
 // RUN: %clang -target armeb -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A %s
 // RUN: %clang -target armeb -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A %s
+// RUN: %clang -target arm -mcpu=cortex-a53 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A %s
+// RUN: %clang -target arm -mcpu=cortex-a57 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A %s
 // CHECK-BE-CPUV8A: "-cc1"{{.*}} "-triple" "armebv8-{{.*}}
 
 // RUN: %clang -target arm -mcpu=cortex-a53 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A-THUMB %s
 // RUN: %clang -target arm -mcpu=cortex-a57 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A-THUMB %s
+// RUN: %clang -target arm -mcpu=cortex-a53 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A-THUMB %s
+// RUN: %clang -target arm -mcpu=cortex-a57 -mlittle-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A-THUMB %s
 // CHECK-CPUV8A-THUMB: "-cc1"{{.*}} "-triple" "thumbv8-{{.*}}
 
 // RUN: %clang -target armeb -mcpu=cortex-a53 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A-THUMB %s
 // RUN: %clang -target armeb -mcpu=cortex-a57 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A-THUMB %s
+// RUN: %clang -target arm -mcpu=cortex-a53 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A-THUMB %s
+// RUN: %clang -target arm -mcpu=cortex-a57 -mbig-endian -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE-CPUV8A-THUMB %s
 // CHECK-BE-CPUV8A-THUMB: "-cc1"{{.*}} "-triple" "thumbebv8-{{.*}}