Add support for musl-libc on ARM Linux.

Patch by Lei Zhang!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273726 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index d8616545908..9154abd6eb3 100644
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -180,6 +180,8 @@ public:
     EABIHF,
     Android,
     Musl,
+    MuslEABI,
+    MuslEABIHF,
 
     MSVC,
     Itanium,
@@ -571,6 +573,13 @@ public:
   /// Tests whether the target is Android
   bool isAndroid() const { return getEnvironment() == Triple::Android; }
 
+  /// Tests whether the environment is musl-libc
+  bool isMusl() const {
+    return getEnvironment() == Triple::Musl ||
+           getEnvironment() == Triple::MuslEABI ||
+           getEnvironment() == Triple::MuslEABIHF;
+  }
+
   /// Tests whether the target is NVPTX (32- or 64-bit).
   bool isNVPTX() const {
     return getArch() == Triple::nvptx || getArch() == Triple::nvptx64;