commit e76872e81ea32fbc863d8d7ef6eadc91a8f8673b
author Nick Lewycky <nicholas@mxc.ca> Mon Feb 13 23:45:02 2012 +0000
committer Nick Lewycky <nicholas@mxc.ca> Mon Feb 13 23:45:02 2012 +0000
tree 30a35ca48dacc8a26198d37b45c512d81fb11a53
parent 7ca4850a3e3530fa6c93b64b740446e32c97f992

Mark the cxa_guard_{abort,acquire,release} functions nounwind.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150435 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/ItaniumCXXABI.cpp

diff --git a/lib/CodeGen/ItaniumCXXABI.cpp b/lib/CodeGen/ItaniumCXXABI.cpp
index 8dee17a..a8b9942 100644
--- a/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/lib/CodeGen/ItaniumCXXABI.cpp
@@ -979,7 +979,8 @@
     llvm::FunctionType::get(CGM.getTypes().ConvertType(CGM.getContext().IntTy),
                             GuardPtrTy, /*isVarArg=*/false);
   
-  return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_acquire");
+  return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_acquire",
+                                   llvm::Attribute::NoUnwind);
 }
 
 static llvm::Constant *getGuardReleaseFn(CodeGenModule &CGM,
@@ -988,7 +989,8 @@
   llvm::FunctionType *FTy =
     llvm::FunctionType::get(CGM.VoidTy, GuardPtrTy, /*isVarArg=*/false);
   
-  return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_release");
+  return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_release",
+                                   llvm::Attribute::NoUnwind);
 }
 
 static llvm::Constant *getGuardAbortFn(CodeGenModule &CGM,
@@ -997,7 +999,8 @@
   llvm::FunctionType *FTy =
     llvm::FunctionType::get(CGM.VoidTy, GuardPtrTy, /*isVarArg=*/false);
   
-  return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_abort");
+  return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_abort",
+                                   llvm::Attribute::NoUnwind);
 }
 
 namespace {