[PATCH] D53618: [AArch64] [Windows] Emit unwind tables by default.

[Eli Friedman via Phabricator via cfe-commits]

efriedma created this revision.
efriedma added a reviewer: rnk.
Herald added subscribers: chrib, kristof.beyls, javed.absar.

Unwind tables are necessary even in code that doesn't support exceptions.  Among other things, the tables are used for setjmp(), and by debuggers.

Depends on https://reviews.llvm.org/D50288 so LLVM can emit the unwind tables.


Repository:
  rC Clang

https://reviews.llvm.org/D53618

Files:
  lib/Driver/ToolChains/MSVC.cpp


Index: lib/Driver/ToolChains/MSVC.cpp
===================================================================
--- lib/Driver/ToolChains/MSVC.cpp
+++ lib/Driver/ToolChains/MSVC.cpp
@@ -730,7 +730,8 @@
   if (getTriple().isOSBinFormatMachO())
     return false;
 
-  return getArch() == llvm::Triple::x86_64;
+  return getArch() == llvm::Triple::x86_64 ||
+         getArch() == llvm::Triple::aarch64;
 }
 
 bool MSVCToolChain::isPICDefault() const {


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D53618.170767.patch
Type: text/x-patch
Size: 445 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20181023/368f1f26/attachment.bin>