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
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index cef67d4..c8a1019 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1848,7 +1848,8 @@
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") {