r368697 - Enable memtag sanitizer in all AArch64 toolchains

[Momchil Velikov via cfe-commits]

Author: chill
Date: Tue Aug 13 07:20:23 2019
New Revision: 368697

URL: http://llvm.org/viewvc/llvm-project?rev=368697&view=rev
Log:
Enable memtag sanitizer in all AArch64 toolchains

That sanitizer does not have runtime library or other dependencies.

Differential Revision: https://reviews.llvm.org/D65642

Modified:
    cfe/trunk/lib/Driver/ToolChain.cpp
    cfe/trunk/lib/Driver/ToolChains/Linux.cpp

Modified: cfe/trunk/lib/Driver/ToolChain.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChain.cpp?rev=368697&r1=368696&r2=368697&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChain.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChain.cpp Tue Aug 13 07:20:23 2019
@@ -923,6 +923,9 @@ SanitizerMask ToolChain::getSupportedSan
   if (getTriple().getArch() == llvm::Triple::x86_64 ||
       getTriple().getArch() == llvm::Triple::aarch64)
     Res |= SanitizerKind::ShadowCallStack;
+  if (getTriple().getArch() == llvm::Triple::aarch64 ||
+      getTriple().getArch() == llvm::Triple::aarch64_be)
+    Res |= SanitizerKind::MemTag;
   return Res;
 }
 

Modified: cfe/trunk/lib/Driver/ToolChains/Linux.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Linux.cpp?rev=368697&r1=368696&r2=368697&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Linux.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Linux.cpp Tue Aug 13 07:20:23 2019
@@ -1029,8 +1029,6 @@ SanitizerMask Linux::getSupportedSanitiz
     Res |= SanitizerKind::HWAddress;
     Res |= SanitizerKind::KernelHWAddress;
   }
-  if (IsAArch64)
-    Res |= SanitizerKind::MemTag;
   return Res;
 }