commit c19dee734f3adfb800f1a9684fe661c827370885
author Adrian Prantl <aprantl@apple.com> Wed Aug 17 16:02:43 2016 +0000
committer Adrian Prantl <aprantl@apple.com> Wed Aug 17 16:02:43 2016 +0000
tree 72f2f9cf241855aa23c8d588816072032d21362c
parent ea7e4647dbebcbbf327b747cba651e13e1fc65b0

Support the DW_AT_noreturn DWARF flag.
This is used to mark functions with the C++11 [[ noreturn ]] or C11 _Noreturn
attributes.

Patch by Victor Leschuk!

https://reviews.llvm.org/D23167

llvm-svn: 278940

llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 4100d72..b36964a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1248,6 +1248,9 @@
   if (SP->isRValueReference())
     addFlag(SPDie, dwarf::DW_AT_rvalue_reference);
 
+  if (SP->isNoReturn())
+    addFlag(SPDie, dwarf::DW_AT_noreturn);
+
   if (SP->isProtected())
     addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
             dwarf::DW_ACCESS_protected);