From 3645149ea23ed708f08a333065327307dda1221e Mon Sep 17 00:00:00 2001
From: Gabor Ballabas <gaborb@inf.u-szeged.hu>
Date: Thu, 18 Jun 2015 14:23:12 +0000
Subject: Allow case-insensitive values for -march for AArch64 target in line
 with GCC.

GCC allows case-insensitive values for -mcpu, -march and -mtune options.
This patch implements the same behaviour for the -march option for the AArch64 target.

llvm-svn: 240019
---
 clang/lib/Driver/Tools.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'clang/lib/Driver/Tools.cpp')

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index cef67d401f9..c8a10197ffe 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1848,7 +1848,8 @@ static bool
 getAArch64ArchFeaturesFromMarch(const Driver &D, StringRef March,
                                 const ArgList &Args,
                                 std::vector<const char *> &Features) {
-  std::pair<StringRef, StringRef> Split = March.split("+");
+  std::string MarchLowerCase = March.lower();
+  std::pair<StringRef, StringRef> Split = StringRef(MarchLowerCase).split("+");
 
   if (Split.first == "armv8-a" ||
       Split.first == "armv8a") {
-- 
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