r328825 - Mark __cfi_check as dso_local.

[Rafael Espindola via cfe-commits]

Author: rafael
Date: Thu Mar 29 13:51:30 2018
New Revision: 328825

URL: http://llvm.org/viewvc/llvm-project?rev=328825&view=rev
Log:
Mark __cfi_check as dso_local.

Modified:
    cfe/trunk/lib/CodeGen/CGExpr.cpp
    cfe/trunk/test/CodeGen/cfi-icall-cross-dso.c

Modified: cfe/trunk/lib/CodeGen/CGExpr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExpr.cpp?rev=328825&r1=328824&r2=328825&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGExpr.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExpr.cpp Thu Mar 29 13:51:30 2018
@@ -3010,6 +3010,7 @@ void CodeGenFunction::EmitCfiCheckStub()
   llvm::Function *F = llvm::Function::Create(
       llvm::FunctionType::get(VoidTy, {Int64Ty, Int8PtrTy, Int8PtrTy}, false),
       llvm::GlobalValue::WeakAnyLinkage, "__cfi_check", M);
+  CGM.setDSOLocal(F);
   llvm::BasicBlock *BB = llvm::BasicBlock::Create(Ctx, "entry", F);
   // FIXME: consider emitting an intrinsic call like
   // call void @llvm.cfi_check(i64 %0, i8* %1, i8* %2)

Modified: cfe/trunk/test/CodeGen/cfi-icall-cross-dso.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/cfi-icall-cross-dso.c?rev=328825&r1=328824&r2=328825&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/cfi-icall-cross-dso.c (original)
+++ cfe/trunk/test/CodeGen/cfi-icall-cross-dso.c Thu Mar 29 13:51:30 2018
@@ -66,6 +66,9 @@ Fn h1() {
 inline void foo() {}
 void bar() { foo(); }
 
+// ITANIUM: define weak void @__cfi_check
+// MS: define weak dso_local void @__cfi_check
+
 // CHECK: !{i32 4, !"Cross-DSO CFI", i32 1}
 
 // Check that the type entries are correct.