diff --git a/lib/Driver/ToolChains/Gnu.cpp b/lib/Driver/ToolChains/Gnu.cpp
index da197e47..505439ea 100644
--- a/lib/Driver/ToolChains/Gnu.cpp
+++ b/lib/Driver/ToolChains/Gnu.cpp
@@ -1997,6 +1997,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
   static const char *const AArch64LibDirs[] = {"/lib64", "/lib"};
   static const char *const AArch64Triples[] = {
       "aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-redhat-linux",
+      "aarch64-linux-musl",
       "aarch64-suse-linux", "aarch64-linux-android"};
   static const char *const AArch64beLibDirs[] = {"/lib"};
   static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu",
@@ -2006,6 +2007,8 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
   static const char *const ARMTriples[] = {"arm-linux-gnueabi",
                                            "arm-linux-androideabi"};
   static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf",
+                                             "arm-linux-musleabihf",
+                                             "armv7l-linux-musleabihf",
                                              "armv7hl-redhat-linux-gnueabi",
                                              "armv6hl-suse-linux-gnueabi",
                                              "armv7hl-suse-linux-gnueabi"};
@@ -2025,6 +2028,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
       "x86_64-redhat-linux",    "x86_64-suse-linux",
       "x86_64-manbo-linux-gnu", "x86_64-linux-gnu",
       "x86_64-slackware-linux", "x86_64-unknown-linux",
+      "x86_64-linux-musl",
       "x86_64-amazon-linux",    "x86_64-linux-android"};
   static const char *const X32LibDirs[] = {"/libx32"};
   static const char *const X86LibDirs[] = {"/lib32", "/lib"};
@@ -2034,6 +2038,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
       "i586-redhat-linux",    "i386-redhat-linux",     "i586-suse-linux",
       "i486-slackware-linux", "i686-montavista-linux", "i586-linux-gnu",
       "i686-linux-android",   "i386-gnu",              "i486-gnu",
+      "i686-linux-musl",
       "i586-gnu",             "i686-gnu"};
 
   static const char *const MIPSLibDirs[] = {"/lib"};