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/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) ||