Merging r198940 (second try):

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r198940 | kristof.beyls | 2014-01-10 08:44:34 -0500 (Fri, 10 Jan 2014) | 2 lines

Enable -fuse-init-array for all AArch64 ELF targets by default, not just linux.

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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_34@207288 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 26 insertions, 15 deletions

diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index e5528f0a64..46883357e2 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1622,6 +1622,21 @@ bool Generic_GCC::isPICDefaultForced() const {
   return false;
 }
 
+void Generic_GCC::addClangTargetOptions(const ArgList &DriverArgs,
+                                        ArgStringList &CC1Args) const {
+  const Generic_GCC::GCCVersion &V = GCCInstallation.getVersion();
+  bool UseInitArrayDefault = 
+      getTriple().getArch() == llvm::Triple::aarch64 ||
+      (getTriple().getOS() == llvm::Triple::Linux && (
+         !V.isOlderThan(4, 7, 0) ||
+         getTriple().getEnvironment() == llvm::Triple::Android));
+
+  if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
+                         options::OPT_fno_use_init_array,
+                         UseInitArrayDefault))
+    CC1Args.push_back("-fuse-init-array");
+}
+
 /// Hexagon Toolchain
 
 std::string Hexagon_TC::GetGnuDir(const std::string &InstalledDir) {
@@ -2536,19 +2551,6 @@ Tool *Linux::buildAssembler() const {
   return new tools::gnutools::Assemble(*this);
 }
 
-void Linux::addClangTargetOptions(const ArgList &DriverArgs,
-                                  ArgStringList &CC1Args) const {
-  const Generic_GCC::GCCVersion &V = GCCInstallation.getVersion();
-  bool UseInitArrayDefault =
-      !V.isOlderThan(4, 7, 0) ||
-      getTriple().getArch() == llvm::Triple::aarch64 ||
-      getTriple().getEnvironment() == llvm::Triple::Android;
-  if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
-                         options::OPT_fno_use_init_array,
-                         UseInitArrayDefault))
-    CC1Args.push_back("-fuse-init-array");
-}
-
 std::string Linux::computeSysRoot() const {
   if (!getDriver().SysRoot.empty())
     return getDriver().SysRoot;
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index 50d370003b..c758fbb999 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -164,6 +164,8 @@ public:
   virtual bool isPICDefault() const;
   virtual bool isPIEDefault() const;
   virtual bool isPICDefaultForced() const;
+  virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
+                                     llvm::opt::ArgStringList &CC1Args) const;
 
 protected:
   virtual Tool *getTool(Action::ActionClass AC) const;
@@ -579,8 +581,6 @@ public:
   virtual void
   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                             llvm::opt::ArgStringList &CC1Args) const;
-  virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
-                                     llvm::opt::ArgStringList &CC1Args) const;
   virtual void
   AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                                llvm::opt::ArgStringList &CC1Args) const;
diff --git a/test/Driver/constructors.c b/test/Driver/constructors.c
index 9ea91d9568..680705fbf9 100644
--- a/test/Driver/constructors.c
+++ b/test/Driver/constructors.c
@@ -46,3 +46,12 @@
 // RUN:     -target i386-unknown-linux-android \
 // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
 // RUN:   | FileCheck --check-prefix=CHECK-INIT-ARRAY %s
+//
+// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1       \
+// RUN:     -target aarch64-none-linux-gnu \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-INIT-ARRAY %s
+//
+// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1       \
+// RUN:     -target aarch64-none-none-eabi \
+// RUN:   | FileCheck --check-prefix=CHECK-INIT-ARRAY %s