[PATCH] Use the correct ObjC EH personality

[Jonathan Schleifer via cfe-commits]

Use the correct ObjC EH personality

This fixes ObjC exceptions on Win64 (which uses SEH), among others.
---
lib/CodeGen/CGCleanup.h     | 2 ++
lib/CodeGen/CGException.cpp | 8 ++++++++
2 files changed, 10 insertions(+)

diff --git a/lib/CodeGen/CGCleanup.h b/lib/CodeGen/CGCleanup.h
index 2166490ec1..105c5629d5 100644
--- a/lib/CodeGen/CGCleanup.h
+++ b/lib/CodeGen/CGCleanup.h
@@ -616,6 +616,8 @@ struct EHPersonality {
  static const EHPersonality GNU_C_SJLJ;
  static const EHPersonality GNU_C_SEH;
  static const EHPersonality GNU_ObjC;
+  static const EHPersonality GNU_ObjC_SJLJ;
+  static const EHPersonality GNU_ObjC_SEH;
  static const EHPersonality GNUstep_ObjC;
  static const EHPersonality GNU_ObjCXX;
  static const EHPersonality NeXT_ObjC;
diff --git a/lib/CodeGen/CGException.cpp b/lib/CodeGen/CGException.cpp
index 7b7880e07a..f908bf2b3b 100644
--- a/lib/CodeGen/CGException.cpp
+++ b/lib/CodeGen/CGException.cpp
@@ -97,6 +97,10 @@ EHPersonality::GNU_CPlusPlus_SEH = { "__gxx_personality_seh0", nullptr };
const EHPersonality
EHPersonality::GNU_ObjC = {"__gnu_objc_personality_v0", "objc_exception_throw"};
const EHPersonality
+EHPersonality::GNU_ObjC_SJLJ = {"__gnu_objc_personality_sj0", "objc_exception_throw"};
+const EHPersonality
+EHPersonality::GNU_ObjC_SEH = {"__gnu_objc_personality_seh0", "objc_exception_throw"};
+const EHPersonality
EHPersonality::GNU_ObjCXX = { "__gnustep_objcxx_personality_v0", nullptr };
const EHPersonality
EHPersonality::GNUstep_ObjC = { "__gnustep_objc_personality_v0", nullptr };
@@ -137,6 +141,10 @@ static const EHPersonality &getObjCPersonality(const llvm::Triple &T,
    // fallthrough
  case ObjCRuntime::GCC:
  case ObjCRuntime::ObjFW:
+    if (L.SjLjExceptions)
+      return EHPersonality::GNU_ObjC_SJLJ;
+    else if (useLibGCCSEHPersonality(T))
+      return EHPersonality::GNU_ObjC_SEH;
    return EHPersonality::GNU_ObjC;
  }
  llvm_unreachable("bad runtime kind");
-- 
Jonathan