[Attributor] Deduce "nosync" function attribute.
Introduce and deduce "nosync" function attribute to indicate that a function
does not synchronize with another thread in a way that other thread might free memory.
Reviewers: jdoerfert, jfb, nhaehnle, arsenm
Subscribers: wdng, hfinkel, nhaenhle, mehdi_amini, steven_wu,
dexonsmith, arsenm, uenoku, hiraditya, jfb, llvm-commits
Differential Revision: https://reviews.llvm.org/D62766
llvm-svn: 365830
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 1256e63..ce8c1c4 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -1287,6 +1287,7 @@
case lltok::kw_nonlazybind: B.addAttribute(Attribute::NonLazyBind); break;
case lltok::kw_noredzone: B.addAttribute(Attribute::NoRedZone); break;
case lltok::kw_noreturn: B.addAttribute(Attribute::NoReturn); break;
+ case lltok::kw_nosync: B.addAttribute(Attribute::NoSync); break;
case lltok::kw_nocf_check: B.addAttribute(Attribute::NoCfCheck); break;
case lltok::kw_norecurse: B.addAttribute(Attribute::NoRecurse); break;
case lltok::kw_nounwind: B.addAttribute(Attribute::NoUnwind); break;