diff options
-rw-r--r-- | llvm/lib/Transforms/IPO/CrossDSOCFI.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/CrossDSOCFI.cpp b/llvm/lib/Transforms/IPO/CrossDSOCFI.cpp index ba2e60dee3b..e8738e70257 100644 --- a/llvm/lib/Transforms/IPO/CrossDSOCFI.cpp +++ b/llvm/lib/Transforms/IPO/CrossDSOCFI.cpp @@ -100,6 +100,9 @@ void CrossDSOCFI::buildCFICheck(Module &M) { "__cfi_check", Type::getVoidTy(Ctx), Type::getInt64Ty(Ctx), Type::getInt8PtrTy(Ctx), Type::getInt8PtrTy(Ctx), nullptr); Function *F = dyn_cast<Function>(C); + // Take over the existing function. The frontend emits a weak stub so that the + // linker knows about the symbol; this pass replaces the function body. + F->deleteBody(); F->setAlignment(4096); auto args = F->arg_begin(); Value &CallSiteTypeId = *(args++); |