ARM: Add command line option to select big or little endian
llvm-svn: 205967
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index dd2a2bc..eefe487 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -205,6 +205,16 @@
bool IsBigEndian = getTriple().getArch() == llvm::Triple::armeb ||
getTriple().getArch() == llvm::Triple::thumbeb;
+ // Handle pseudo-target flags '-mlittle-endian'/'-EL' and
+ // '-mbig-endian'/'-EB'.
+ if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
+ options::OPT_mbig_endian)) {
+ if (A->getOption().matches(options::OPT_mlittle_endian))
+ IsBigEndian = false;
+ else
+ IsBigEndian = true;
+ }
+
// Thumb2 is the default for V7 on Darwin.
//
// FIXME: Thumb should just be another -target-feaure, not in the triple.