LTO: Use the correct mangler function in LTOCodeGenerator::applyScopeRestrictions().

We need to use the overload of Mangler::getNameWithPrefix that takes a
GlobalValue in order to mangle in the stdcall stack byte count for Windows
targets.

Differential Revision: https://reviews.llvm.org/D25529

llvm-svn: 284040

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp
index 81fb58a4e0a..a07707cd38a 100644
--- a/llvm/lib/LTO/LTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/LTOCodeGenerator.cpp
@@ -410,6 +410,7 @@ void LTOCodeGenerator::applyScopeRestrictions() {
 
   // Declare a callback for the internalize pass that will ask for every
   // candidate GlobalValue if it can be internalized or not.
+  Mangler Mang;
   SmallString<64> MangledName;
   auto mustPreserveGV = [&](const GlobalValue &GV) -> bool {
     // Unnamed globals can't be mangled, but they can't be preserved either.
@@ -421,8 +422,7 @@ void LTOCodeGenerator::applyScopeRestrictions() {
     // underscore.
     MangledName.clear();
     MangledName.reserve(GV.getName().size() + 1);
-    Mangler::getNameWithPrefix(MangledName, GV.getName(),
-                               MergedModule->getDataLayout());
+    Mang.getNameWithPrefix(MangledName, &GV, /*CannotUsePrivateLabel=*/false);
     return MustPreserveSymbols.count(MangledName);
   };