rename DefaultHostTriple into DefaultTargetTriple

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148137 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index ec344e0..ce4a89e 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -47,13 +47,13 @@
 using namespace clang;
 
 Driver::Driver(StringRef ClangExecutable,
-               StringRef DefaultHostTriple,
+               StringRef DefaultTargetTriple,
                StringRef DefaultImageName,
                bool IsProduction,
                DiagnosticsEngine &Diags)
   : Opts(createDriverOptTable()), Diags(Diags),
     ClangExecutable(ClangExecutable), UseStdLib(true),
-    DefaultHostTriple(DefaultHostTriple), DefaultImageName(DefaultImageName),
+    DefaultTargetTriple(DefaultTargetTriple), DefaultImageName(DefaultImageName),
     DriverTitle("clang \"gcc-compatible\" driver"),
     Host(0),
     CCPrintOptionsFilename(0), CCPrintHeadersFilename(0),
@@ -306,7 +306,7 @@
   // FIXME: We shouldn't overwrite the default host triple here, but we have
   // nowhere else to put this currently.
   if (const Arg *A = Args->getLastArg(options::OPT_ccc_host_triple))
-    DefaultHostTriple = A->getValue(*Args);
+    DefaultTargetTriple = A->getValue(*Args);
   if (const Arg *A = Args->getLastArg(options::OPT_ccc_install_dir))
     Dir = InstalledDir = A->getValue(*Args);
   for (arg_iterator it = Args->filtered_begin(options::OPT_B),
@@ -320,7 +320,7 @@
   if (Args->hasArg(options::OPT_nostdlib))
     UseStdLib = false;
 
-  Host = GetHostInfo(DefaultHostTriple.c_str());
+  Host = GetHostInfo(DefaultTargetTriple.c_str());
 
   // Perform the default argument translations.
   DerivedArgList *TranslatedArgs = TranslateInputArgs(*Args);
@@ -1507,7 +1507,7 @@
 
 std::string Driver::GetProgramPath(const char *Name, const ToolChain &TC,
                                    bool WantFile) const {
-  std::string TargetSpecificExecutable(DefaultHostTriple + "-" + Name);
+  std::string TargetSpecificExecutable(DefaultTargetTriple + "-" + Name);
   // Respect a limited subset of the '-Bprefix' functionality in GCC by
   // attempting to use this prefix when lokup up program paths.
   for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(),
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 0ae91a8..5a1cd16 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1096,7 +1096,7 @@
 /// Once constructed, a GCCInstallation is esentially immutable.
 Generic_GCC::GCCInstallationDetector::GCCInstallationDetector(const Driver &D)
   : IsValid(false),
-    GccTriple(D.DefaultHostTriple) {
+    GccTriple(D.DefaultTargetTriple) {
   // FIXME: Using CXX_INCLUDE_ROOT is here is a bit of a hack, but
   // avoids adding yet another option to configure/cmake.
   // It would probably be cleaner to break it in two variables
@@ -1134,7 +1134,7 @@
 
   // Always include the default host triple as the final fallback if no
   // specific triple is detected.
-  CandidateTriples.push_back(D.DefaultHostTriple);
+  CandidateTriples.push_back(D.DefaultTargetTriple);
 
   // Compute the set of prefixes for our search.
   SmallVector<std::string, 8> Prefixes(D.PrefixDirs.begin(),
@@ -1541,12 +1541,12 @@
   // Determine if we are compiling 32-bit code on an x86_64 platform.
   bool Lib32 = false;
   if (Triple.getArch() == llvm::Triple::x86 &&
-      llvm::Triple(getDriver().DefaultHostTriple).getArch() ==
+      llvm::Triple(getDriver().DefaultTargetTriple).getArch() ==
         llvm::Triple::x86_64)
     Lib32 = true;
 
   if (Triple.getArch() == llvm::Triple::ppc &&
-      llvm::Triple(getDriver().DefaultHostTriple).getArch() ==
+      llvm::Triple(getDriver().DefaultTargetTriple).getArch() ==
         llvm::Triple::ppc64)
     Lib32 = true;
 
@@ -1892,7 +1892,7 @@
 Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
   : Generic_ELF(Host, Triple) {
   llvm::Triple::ArchType Arch =
-    llvm::Triple(getDriver().DefaultHostTriple).getArch();
+    llvm::Triple(getDriver().DefaultTargetTriple).getArch();
   const std::string &SysRoot = getDriver().SysRoot;
 
   // OpenSuse stores the linker with the compiler, add that to the search
@@ -2184,7 +2184,7 @@
   // only support the suffix-based bi-arch-like header scheme for host/target
   // mismatches of just bit width.
   llvm::Triple::ArchType HostArch =
-    llvm::Triple(getDriver().DefaultHostTriple).getArch();
+    llvm::Triple(getDriver().DefaultTargetTriple).getArch();
   llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
   StringRef Suffix;
   if ((HostArch == llvm::Triple::x86 && TargetArch == llvm::Triple::x86_64) ||