Use Triple.isAndroid() where possible.

llvm-svn: 249751
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index a23693d..2f7436f 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1823,7 +1823,7 @@
   addMultilibFlag(isMipsEL(TargetArch), "EL", Flags);
   addMultilibFlag(!isMipsEL(TargetArch), "EB", Flags);
 
-  if (TargetTriple.getEnvironment() == llvm::Triple::Android) {
+  if (TargetTriple.isAndroid()) {
     // Select Android toolchain. It's the only choice in that case.
     if (AndroidMipsMultilibs.select(Flags, Result.SelectedMultilib)) {
       Result.Multilibs = AndroidMipsMultilibs;
@@ -2174,8 +2174,7 @@
       getTriple().getArch() == llvm::Triple::aarch64 ||
       getTriple().getArch() == llvm::Triple::aarch64_be ||
       (getTriple().getOS() == llvm::Triple::Linux &&
-       (!V.isOlderThan(4, 7, 0) ||
-        getTriple().getEnvironment() == llvm::Triple::Android)) ||
+       (!V.isOlderThan(4, 7, 0) || getTriple().isAndroid())) ||
       getTriple().getOS() == llvm::Triple::NaCl;
 
   if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
@@ -3329,7 +3328,7 @@
   if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
     ExtraOpts.push_back("-X");
 
-  const bool IsAndroid = Triple.getEnvironment() == llvm::Triple::Android;
+  const bool IsAndroid = Triple.isAndroid();
   const bool IsMips = isMipsArch(Arch);
 
   if (IsMips && !SysRoot.empty())