IRgen/Obj-C/NeXT: Fix the IR signature for objc_exception_rethrow, so we don't

generate unnecessary %al clear on x86_64.

llvm-svn: 116656

2 files changed, 15 insertions, 1 deletions

diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp
index 8b3fd499b66..3440959408e 100644
--- a/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/clang/lib/CodeGen/CGObjCMac.cpp
@@ -462,7 +462,7 @@ public:
     // void objc_exception_rethrow(void)
     std::vector<const llvm::Type*> Args;
     llvm::FunctionType *FTy =
-      llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Args, true);
+      llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_exception_rethrow");
   }
   
diff --git a/clang/test/CodeGenObjC/method-signatures.m b/clang/test/CodeGenObjC/method-signatures.m
new file mode 100644
index 00000000000..b03570950a2
--- /dev/null
+++ b/clang/test/CodeGenObjC/method-signatures.m
@@ -0,0 +1,14 @@
+// Check method signatures for synthesized runtime functions.
+//
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 \
+// RUN:    -fexceptions -fobjc-nonfragile-abi2 -emit-llvm -o %t %s
+// RUN: FileCheck < %t %s
+
+// CHECK: declare void @objc_exception_rethrow()
+void f1(void);
+void f0() {
+  @try {
+    f1();
+  } @finally {
+  }
+}