diff --git a/llvm/include/llvm/ADT/Triple.h b/llvm/include/llvm/ADT/Triple.h
--- a/llvm/include/llvm/ADT/Triple.h
+++ b/llvm/include/llvm/ADT/Triple.h
@@ -230,6 +230,9 @@
     GNUABI64,
     GNUEABI,
     GNUEABIHF,
+    GNUF32,
+    GNUF64,
+    GNUSF,
     GNUX32,
     GNUILP32,
     CODE16,
@@ -559,7 +562,9 @@
     EnvironmentType Env = getEnvironment();
     return Env == Triple::GNU || Env == Triple::GNUABIN32 ||
            Env == Triple::GNUABI64 || Env == Triple::GNUEABI ||
-           Env == Triple::GNUEABIHF || Env == Triple::GNUX32;
+           Env == Triple::GNUEABIHF || Env == Triple::GNUF32 ||
+           Env == Triple::GNUF64 || Env == Triple::GNUSF ||
+           Env == Triple::GNUX32;
   }
 
   bool isOSContiki() const {
diff --git a/llvm/lib/Support/Triple.cpp b/llvm/lib/Support/Triple.cpp
--- a/llvm/lib/Support/Triple.cpp
+++ b/llvm/lib/Support/Triple.cpp
@@ -258,6 +258,9 @@
   case GNUABIN32: return "gnuabin32";
   case GNUEABI: return "gnueabi";
   case GNUEABIHF: return "gnueabihf";
+  case GNUF32: return "gnuf32";
+  case GNUF64: return "gnuf64";
+  case GNUSF: return "gnusf";
   case GNUX32: return "gnux32";
   case GNUILP32: return "gnu_ilp32";
   case Itanium: return "itanium";
@@ -598,6 +601,9 @@
       .StartsWith("gnuabi64", Triple::GNUABI64)
       .StartsWith("gnueabihf", Triple::GNUEABIHF)
       .StartsWith("gnueabi", Triple::GNUEABI)
+      .StartsWith("gnuf32", Triple::GNUF32)
+      .StartsWith("gnuf64", Triple::GNUF64)
+      .StartsWith("gnusf", Triple::GNUSF)
       .StartsWith("gnux32", Triple::GNUX32)
       .StartsWith("gnu_ilp32", Triple::GNUILP32)
       .StartsWith("code16", Triple::CODE16)
diff --git a/llvm/unittests/ADT/TripleTest.cpp b/llvm/unittests/ADT/TripleTest.cpp
--- a/llvm/unittests/ADT/TripleTest.cpp
+++ b/llvm/unittests/ADT/TripleTest.cpp
@@ -439,12 +439,72 @@
   EXPECT_EQ(Triple::UnknownOS, T.getOS());
   EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
 
+  T = Triple("loongarch32-unknown-linux-gnu");
+  EXPECT_EQ(Triple::loongarch32, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNU, T.getEnvironment());
+
+  T = Triple("loongarch32-unknown-linux-gnuf32");
+  EXPECT_EQ(Triple::loongarch32, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNUF32, T.getEnvironment());
+
+  T = Triple("loongarch32-unknown-linux-gnuf64");
+  EXPECT_EQ(Triple::loongarch32, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNUF64, T.getEnvironment());
+
+  T = Triple("loongarch32-unknown-linux-gnusf");
+  EXPECT_EQ(Triple::loongarch32, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNUSF, T.getEnvironment());
+
+  T = Triple("loongarch32-unknown-linux-musl");
+  EXPECT_EQ(Triple::loongarch32, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::Musl, T.getEnvironment());
+
   T = Triple("loongarch64-unknown-linux");
   EXPECT_EQ(Triple::loongarch64, T.getArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
   EXPECT_EQ(Triple::Linux, T.getOS());
   EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
 
+  T = Triple("loongarch64-unknown-linux-gnu");
+  EXPECT_EQ(Triple::loongarch64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNU, T.getEnvironment());
+
+  T = Triple("loongarch64-unknown-linux-gnuf32");
+  EXPECT_EQ(Triple::loongarch64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNUF32, T.getEnvironment());
+
+  T = Triple("loongarch64-unknown-linux-gnuf64");
+  EXPECT_EQ(Triple::loongarch64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNUF64, T.getEnvironment());
+
+  T = Triple("loongarch64-unknown-linux-gnusf");
+  EXPECT_EQ(Triple::loongarch64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::GNUSF, T.getEnvironment());
+
+  T = Triple("loongarch64-unknown-linux-musl");
+  EXPECT_EQ(Triple::loongarch64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Linux, T.getOS());
+  EXPECT_EQ(Triple::Musl, T.getEnvironment());
+
   T = Triple("riscv32-unknown-unknown");
   EXPECT_EQ(Triple::riscv32, T.getArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());