From b534d242728ebd2c62544b5e7e5f2bed04f35440 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Mon, 21 Apr 2014 20:30:27 +0000
Subject: Revert "Merging r198940:"

This reverts commit r206064.

This commit regressed the MultiSource/Applications/sgefa/sgefa test.

llvm-svn: 206783
---
 clang/lib/Driver/Driver.cpp      |  4 ----
 clang/lib/Driver/ToolChains.cpp  | 28 +++++++++++++---------------
 clang/lib/Driver/ToolChains.h    | 10 ++++++++--
 clang/test/Driver/constructors.c |  9 ---------
 4 files changed, 21 insertions(+), 30 deletions(-)

diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index c23aeff..588e8df 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1981,10 +1981,6 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
         TC = new toolchains::XCore(*this, Target, Args);
         break;
       }
-      if (Target.isOSBinFormatELF()) {
-        TC = new toolchains::Generic_ELF(*this, Target, Args);
-        break;
-      }
       TC = new toolchains::Generic_GCC(*this, Target, Args);
       break;
     }
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index bf03b20..e5528f0 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1622,21 +1622,6 @@ bool Generic_GCC::isPICDefaultForced() const {
   return false;
 }
 
-void Generic_ELF::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) {
@@ -2551,6 +2536,19 @@ 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/clang/lib/Driver/ToolChains.h b/clang/lib/Driver/ToolChains.h
index 431b2c7..50d3700 100644
--- a/clang/lib/Driver/ToolChains.h
+++ b/clang/lib/Driver/ToolChains.h
@@ -427,8 +427,12 @@ public:
               const llvm::opt::ArgList &Args)
       : Generic_GCC(D, Triple, Args) {}
 
-  virtual void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
-                                     llvm::opt::ArgStringList &CC1Args) const;
+  virtual bool IsIntegratedAssemblerDefault() const {
+    // Default integrated assembler to on for x86.
+    return (getTriple().getArch() == llvm::Triple::aarch64 ||
+            getTriple().getArch() == llvm::Triple::x86 ||
+            getTriple().getArch() == llvm::Triple::x86_64);
+  }
 };
 
 class LLVM_LIBRARY_VISIBILITY AuroraUX : public Generic_GCC {
@@ -575,6 +579,8 @@ 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/clang/test/Driver/constructors.c b/clang/test/Driver/constructors.c
index 680705f..9ea91d9 100644
--- a/clang/test/Driver/constructors.c
+++ b/clang/test/Driver/constructors.c
@@ -46,12 +46,3 @@
 // 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
-- 
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