ARM EH uses a different personality function in C.

llvm-svn: 118366

3 files changed, 23 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index cb7bad25756..22ce184eb5d 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -300,6 +300,7 @@ static llvm::Constant *getCatchallRethrowFn(CodeGenFunction &CGF,
 }
 
 const EHPersonality EHPersonality::GNU_C("__gcc_personality_v0");
+const EHPersonality EHPersonality::GNU_C_SJLJ("__gcc_personality_sj0");
 const EHPersonality EHPersonality::NeXT_ObjC("__objc_personality_v0");
 const EHPersonality EHPersonality::GNU_CPlusPlus("__gxx_personality_v0");
 const EHPersonality EHPersonality::GNU_CPlusPlus_SJLJ("__gxx_personality_sj0");
@@ -307,6 +308,8 @@ const EHPersonality EHPersonality::GNU_ObjC("__gnu_objc_personality_v0",
                                             "objc_exception_throw");
 
 static const EHPersonality &getCPersonality(const LangOptions &L) {
+  if (L.SjLjExceptions)
+    return EHPersonality::GNU_C_SJLJ;
   return EHPersonality::GNU_C;
 }
 
diff --git a/clang/lib/CodeGen/CGException.h b/clang/lib/CodeGen/CGException.h
index 9c81a4e7a84..5e6f1511aec 100644
--- a/clang/lib/CodeGen/CGException.h
+++ b/clang/lib/CodeGen/CGException.h
@@ -44,6 +44,7 @@ class EHPersonality {
 public:
   static const EHPersonality &get(const LangOptions &Lang);
   static const EHPersonality GNU_C;
+  static const EHPersonality GNU_C_SJLJ;
   static const EHPersonality GNU_ObjC;
   static const EHPersonality NeXT_ObjC;
   static const EHPersonality GNU_CPlusPlus;
diff --git a/clang/test/CodeGen/exceptions.c b/clang/test/CodeGen/exceptions.c
new file mode 100644
index 00000000000..018b975395b
--- /dev/null
+++ b/clang/test/CodeGen/exceptions.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fexceptions -fblocks | FileCheck %s
+// RUN: %clang_cc1 -triple armv7-apple-unknown -emit-llvm -o - %s -fexceptions -fsjlj-exceptions -fblocks | FileCheck %s -check-prefix=CHECK-ARM
+
+// rdar://problem/8621849
+void test1() {
+  extern void test1_helper(void (^)(int));
+
+  // CHECK:     define void @test1()
+  // CHECK-ARM: define arm_aapcscc void @test1()
+
+  __block int x = 10;
+
+  // CHECK:     invoke void @test1_helper(
+  // CHECK-ARM: invoke arm_aapcscc void @test1_helper(
+  test1_helper(^(int v) { x = v; });
+
+  // CHECK:     call {{.*}} @llvm.eh.selector({{.*}}, i8* bitcast (i32 (...)* @__gcc_personality_v0 to i8*)
+  // CHECK-ARM: call {{.*}} @llvm.eh.selector({{.*}}, i8* bitcast (i32 (...)* @__gcc_personality_sj0 to i8*)
+}