diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 353547c0dff..cc00970569e 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -2279,12 +2279,13 @@ void X86TargetLowering::insertSSPDeclarations(Module &M) const { Type::getInt8PtrTy(M.getContext())); // MSVC CRT has a function to validate security cookie. - auto *SecurityCheckCookie = cast<Function>( - M.getOrInsertFunction("__security_check_cookie", - Type::getVoidTy(M.getContext()), - Type::getInt8PtrTy(M.getContext()))); - SecurityCheckCookie->setCallingConv(CallingConv::X86_FastCall); - SecurityCheckCookie->addAttribute(1, Attribute::AttrKind::InReg); + FunctionCallee SecurityCheckCookie = M.getOrInsertFunction( + "__security_check_cookie", Type::getVoidTy(M.getContext()), + Type::getInt8PtrTy(M.getContext())); + if (Function *F = dyn_cast<Function>(SecurityCheckCookie.getCallee())) { + F->setCallingConv(CallingConv::X86_FastCall); + F->addAttribute(1, Attribute::AttrKind::InReg); + } return; } // glibc, bionic, and Fuchsia have a special slot for the stack guard. |
