From: Bradley Smith <bradley.smith@arm.com>
Date: Mon, 20 Jan 2014 10:52:00 +0000 (+0000)
Subject: [ARM] Add ACLE enum/wchar size predefines
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f35eeda5f4574410d2ec2fc9e0d6bf0833e19139;p=clang

[ARM] Add ACLE enum/wchar size predefines

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@199642 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 65864cd1d0..72f66416fb 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -4028,6 +4028,12 @@ public:
       Builder.defineMacro("__ARM_NEON__");
     }
 
+    Builder.defineMacro("__ARM_SIZEOF_WCHAR_T",
+                        Opts.ShortWChar ? "2" : "4");
+
+    Builder.defineMacro("__ARM_SIZEOF_MINIMAL_ENUM",
+                        Opts.ShortEnums ? "1" : "4");
+
     if (CRC)
       Builder.defineMacro("__ARM_FEATURE_CRC32");
 
diff --git a/test/Preprocessor/arm-target-features.c b/test/Preprocessor/arm-target-features.c
index 4d40bcb3c6..c8aeb1ef70 100644
--- a/test/Preprocessor/arm-target-features.c
+++ b/test/Preprocessor/arm-target-features.c
@@ -68,6 +68,15 @@
 // RUN: %clang -target armv8a-eabi -x c -E -dM %s -o - | FileCheck --check-prefix=THUMBV8A-EABI %s
 // THUMBV8A-EABI:#define __ARM_ARCH_EXT_IDIV__ 1
 
+// RUN: %clang -target arm-none-linux-gnu -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-DEFS %s
+// CHECK-DEFS:#define __ARM_SIZEOF_MINIMAL_ENUM 4
+// CHECK-DEFS:#define __ARM_SIZEOF_WCHAR_T 4
+
+// RUN: %clang -target arm-none-linux-gnu -fshort-wchar -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SHORTWCHAR %s
+// CHECK-SHORTWCHAR:#define __ARM_SIZEOF_WCHAR_T 2
+
+// RUN: %clang -target arm-none-linux-gnu -fshort-enums -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SHORTENUMS %s
+// CHECK-SHORTENUMS:#define __ARM_SIZEOF_MINIMAL_ENUM 1
 
 // Test that -mhwdiv has the right effect for a target CPU which has hwdiv enabled by default.
 // RUN: %clang -target armv7 -mcpu=cortex-a15 -x c -E -dM %s -o - | FileCheck --check-prefix=DEFAULTHWDIV-ARM %s