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authorChristian Pirker <cpirker@a-bix.com>2014-04-10 13:59:32 +0000
committerChristian Pirker <cpirker@a-bix.com>2014-04-10 13:59:32 +0000
commitba289f0c6406fb65b15e134656aa23e1eb3373b3 (patch)
tree8ab775efeb9a5eb9ed47fda9735da75872d04588 /clang/lib
parent02c2e25d74ff30fd5b2f1d70943548f0c9a15767 (diff)
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ARM: Add command line option to select big or little endian
llvm-svn: 205967
Diffstat (limited to 'clang/lib')
-rw-r--r--clang/lib/Driver/ToolChain.cpp10
1 files changed, 10 insertions, 0 deletions
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 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
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.