[PATCH] D18280: [tsan] Allow -fsanitize=thread for iOS-style simulator targets

[Devin Coughlin via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL263913: [tsan] Allow -fsanitize=thread for iOS-style simulator targets (authored by dcoughlin).

Changed prior to commit:
  http://reviews.llvm.org/D18280?vs=51076&id=51132#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D18280

Files:
  cfe/trunk/lib/Driver/ToolChains.cpp
  cfe/trunk/test/Driver/fsanitize.c

Index: cfe/trunk/test/Driver/fsanitize.c
===================================================================
--- cfe/trunk/test/Driver/fsanitize.c
+++ cfe/trunk/test/Driver/fsanitize.c
@@ -217,6 +217,27 @@
 // CHECK-TSAN-MSAN-MSAN-DARWIN: unsupported option '-fsanitize=memory' for target 'x86_64-apple-darwin10'
 // CHECK-TSAN-MSAN-MSAN-DARWIN-NOT: unsupported option
 
+// RUN: %clang -target x86_64-apple-darwin -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-X86-64-DARWIN
+// CHECK-TSAN-X86-64-DARWIN-NOT: unsupported option
+
+// RUN: %clang -target x86_64-apple-iossimulator -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-X86-64-IOSSIMULATOR
+// CHECK-TSAN-X86-64-IOSSIMULATOR-NOT: unsupported option
+
+// RUN: %clang -target x86_64-apple-tvossimulator -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-X86-64-TVOSSIMULATOR
+// CHECK-TSAN-X86-64-TVOSSIMULATOR-NOT: unsupported option
+
+// RUN: %clang -target i386-apple-darwin -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-I386-DARWIN
+// CHECK-TSAN-I386-DARWIN: unsupported option '-fsanitize=thread' for target 'i386-apple-darwin'
+
+// RUN: %clang -target arm-apple-ios -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-ARM-IOS
+// CHECK-TSAN-ARM-IOS: unsupported option '-fsanitize=thread' for target 'arm-apple-ios'
+
+// RUN: %clang -target i386-apple-iossimulator -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-I386-IOSSIMULATOR
+// CHECK-TSAN-I386-IOSSIMULATOR: unsupported option '-fsanitize=thread' for target 'i386-apple-iossimulator'
+
+// RUN: %clang -target i386-apple-tvossimulator -fsanitize=thread %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-TSAN-I386-TVOSSIMULATOR
+// CHECK-TSAN-I386-TVOSSIMULATOR: unsupported option '-fsanitize=thread' for target 'i386-apple-tvossimulator'
+
 // RUN: %clang -target x86_64-apple-darwin10 -fsanitize=function %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-FSAN-DARWIN
 // CHECK-FSAN-DARWIN: unsupported option '-fsanitize=function' for target 'x86_64-apple-darwin10'
 
Index: cfe/trunk/lib/Driver/ToolChains.cpp
===================================================================
--- cfe/trunk/lib/Driver/ToolChains.cpp
+++ cfe/trunk/lib/Driver/ToolChains.cpp
@@ -1225,13 +1225,18 @@
 }
 
 SanitizerMask Darwin::getSupportedSanitizers() const {
+  const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
   SanitizerMask Res = ToolChain::getSupportedSanitizers();
   Res |= SanitizerKind::Address;
   if (isTargetMacOS()) {
     if (!isMacosxVersionLT(10, 9))
       Res |= SanitizerKind::Vptr;
     Res |= SanitizerKind::SafeStack;
-    Res |= SanitizerKind::Thread;
+    if (IsX86_64)
+      Res |= SanitizerKind::Thread;
+  } else if (isTargetIOSSimulator() || isTargetTvOSSimulator()) {
+    if (IsX86_64)
+      Res |= SanitizerKind::Thread;
   }
   return Res;
 }


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