[PATCH] [Clang] [AArch64] [DFSan] Adding support of AArch64 for DFSan

[Kumar Sukhani]

Hi kcc, pcc,

Enabling DFSan in Clang for AArch64

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9651

Files:
  lib/Driver/SanitizerArgs.cpp

Index: lib/Driver/SanitizerArgs.cpp
===================================================================
--- lib/Driver/SanitizerArgs.cpp
+++ lib/Driver/SanitizerArgs.cpp
@@ -137,10 +137,14 @@
   bool IsX86_64 = TC.getTriple().getArch() == llvm::Triple::x86_64;
   bool IsMIPS64 = TC.getTriple().getArch() == llvm::Triple::mips64 ||
                   TC.getTriple().getArch() == llvm::Triple::mips64el;
+  bool IsAArch64 = TC.getTriple().getArch() == llvm::Triple::aarch64;
 
   uint64_t Unsupported = 0;
   if (!(IsLinux && (IsX86_64 || IsMIPS64))) {
-    Unsupported |= Memory | DataFlow;
+    Unsupported |= Memory;
+  }
+  if (!(IsLinux && (IsX86_64 || IsMIPS64 || IsAArch64))) {
+    Unsupported |= DataFlow;
   }
   if (!((IsLinux || IsFreeBSD) && (IsX86_64 || IsMIPS64))) {
     Unsupported |= Thread;

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