clang: add support for asmjs arch and Emscripten OS

test/Driver/asmjs-unknown-emscripten.cpp

Index: test/Driver/asmjs-unknown-emscripten.cpp
diff --git a/test/Driver/le32-unknown-nacl.cpp b/test/Driver/asmjs-unknown-emscripten.cpp
similarity index 80%
copy from test/Driver/le32-unknown-nacl.cpp
copy to test/Driver/asmjs-unknown-emscripten.cpp
index 379ddb6c63d82c764bbb89daaef786b8a0a7ebe6..1815d6295dcc19972826b04a3a719d65256bb14f 100644
--- a/test/Driver/le32-unknown-nacl.cpp
+++ b/test/Driver/asmjs-unknown-emscripten.cpp
@@ -1,8 +1,8 @@
-// RUN: %clang -target le32-unknown-nacl -### %s -emit-llvm-only -c 2>&1 | FileCheck %s -check-prefix=ECHO
-// RUN: %clang -target le32-unknown-nacl %s -emit-llvm -S -c -o - | FileCheck %s
-// RUN: %clang -target le32-unknown-nacl %s -emit-llvm -S -c -pthread -o - | FileCheck %s -check-prefix=THREADS
+// RUN: %clang -target asmjs-unknown-emscripten -### %s -emit-llvm-only -c 2>&1 | FileCheck %s -check-prefix=ECHO
+// RUN: %clang -target asmjs-unknown-emscripten %s -emit-llvm -S -c -o - | FileCheck %s
+// RUN: %clang -target asmjs-unknown-emscripten %s -emit-llvm -S -c -pthread -o - | FileCheck %s -check-prefix=THREADS
 
-// ECHO: {{.*}} "-cc1" {{.*}}le32-unknown-nacl.c
+// ECHO: {{.*}} "-cc1" {{.*}}asmjs-unknown-emscripten.c
 
 typedef __builtin_va_list va_list;
 typedef __SIZE_TYPE__ size_t;
@@ -45,19 +45,14 @@ int align_vl = __alignof(va_list);
 void __LITTLE_ENDIAN__defined() {}
 #endif
 
-// CHECK: __native_client__defined
-#ifdef __native_client__
-void __native_client__defined() {}
+// CHECK: __asmjs__defined
+#ifdef __asmjs__
+void __asmjs__defined() {}
 #endif
 
-// CHECK: __le32__defined
-#ifdef __le32__
-void __le32__defined() {}
-#endif
-
-// CHECK: __pnacl__defined
-#ifdef __pnacl__
-void __pnacl__defined() {}
+// CHECK: __EMSCRIPTEN__defined
+#ifdef __EMSCRIPTEN__
+void __EMSCRIPTEN__defined() {}

[jvoung (off chromium), 2015/03/20 17:07:07]

I guess there is also the legacy EMSCRIPTEN without the __ around it.

[JF, 2015/03/20 18:49:39]

Done.

 #endif
 
 // CHECK: unixdefined
@@ -65,11 +60,6 @@ void __pnacl__defined() {}
 void unixdefined() {}
 #endif
 
-// CHECK: __ELF__defined
-#ifdef __ELF__
-void __ELF__defined() {}
-#endif
-
 // CHECK: _GNU_SOURCEdefined
 #ifdef _GNU_SOURCE
 void _GNU_SOURCEdefined() {}