Index: llvm/trunk/include/llvm/ADT/Triple.h
===================================================================
--- llvm/trunk/include/llvm/ADT/Triple.h
+++ llvm/trunk/include/llvm/ADT/Triple.h
@@ -725,6 +725,11 @@
     return getArch() == Triple::ppc64 || getArch() == Triple::ppc64le;
   }
 
+  /// Tests whether the target is RISC-V (32- and 64-bit).
+  bool isRISCV() const {
+    return getArch() == Triple::riscv32 || getArch() == Triple::riscv64;
+  }
+
   /// Tests whether the target supports comdat
   bool supportsCOMDAT() const {
     return !isOSBinFormatMachO();
Index: llvm/trunk/unittests/ADT/TripleTest.cpp
===================================================================
--- llvm/trunk/unittests/ADT/TripleTest.cpp
+++ llvm/trunk/unittests/ADT/TripleTest.cpp
@@ -876,11 +876,13 @@
   EXPECT_FALSE(T.isArch16Bit());
   EXPECT_TRUE(T.isArch32Bit());
   EXPECT_FALSE(T.isArch64Bit());
+  EXPECT_TRUE(T.isRISCV());
 
   T.setArch(Triple::riscv64);
   EXPECT_FALSE(T.isArch16Bit());
   EXPECT_FALSE(T.isArch32Bit());
   EXPECT_TRUE(T.isArch64Bit());
+  EXPECT_TRUE(T.isRISCV());
 }
 
 TEST(TripleTest, BitWidthArchVariants) {