diff --git a/llvm/include/llvm/Support/AArch64TargetParser.def b/llvm/include/llvm/Support/AArch64TargetParser.def
--- a/llvm/include/llvm/Support/AArch64TargetParser.def
+++ b/llvm/include/llvm/Support/AArch64TargetParser.def
@@ -175,6 +175,12 @@
                  (AArch64::AEK_FP16))
 AARCH64_CPU_NAME("apple-a13", ARMV8_4A, FK_CRYPTO_NEON_FP_ARMV8, false,
                  (AArch64::AEK_FP16 | AArch64::AEK_FP16FML))
+AARCH64_CPU_NAME("apple-m1", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false,
+                 (AArch64::AEK_CRC | AArch64::AEK_FP16 | AArch64::AEK_RAS |
+                  AArch64::AEK_LSE | AArch64::AEK_DOTPROD | AArch64::AEK_RCPC |
+                  AArch64::AEK_RDM | AArch64::AEK_SHA2 | AArch64::AEK_SHA3 |
+                  AArch64::AEK_AES | AArch64::AEK_FP16FML | AArch64::AEK_SSBS |
+                  AArch64::AEK_SB | AArch64::AEK_PREDRES))
 AARCH64_CPU_NAME("apple-s4", ARMV8_3A, FK_CRYPTO_NEON_FP_ARMV8, false,
                  (AArch64::AEK_FP16))
 AARCH64_CPU_NAME("apple-s5", ARMV8_3A, FK_CRYPTO_NEON_FP_ARMV8, false,
diff --git a/llvm/lib/Target/AArch64/AArch64.td b/llvm/lib/Target/AArch64/AArch64.td
--- a/llvm/lib/Target/AArch64/AArch64.td
+++ b/llvm/lib/Target/AArch64/AArch64.td
@@ -810,6 +810,37 @@
                                      HasV8_4aOps
                                      ]>;
 
+def ProcAppleM1 : SubtargetFeature<"apple-m1", "ARMProcFamily", "Others",
+                                   "Apple M1", [
+                                   FeatureAES,
+                                   FeatureAltFPCmp,
+                                   FeatureCacheDeepPersist,
+                                   FeatureCCPP,
+                                   FeatureComplxNum,
+                                   FeatureCRC,
+                                   FeatureDIT,
+                                   FeatureDotProd,
+                                   FeatureFMI,
+                                   FeatureFP16FML,
+                                   FeatureFRInt3264,
+                                   FeatureJS,
+                                   FeatureLOR,
+                                   FeatureLSE,
+                                   FeaturePA,
+                                   FeaturePAN,
+                                   FeaturePAN_RWV,
+                                   FeaturePredRes,
+                                   FeaturePsUAO,
+                                   FeatureRAS,
+                                   FeatureRCPC,
+                                   FeatureRDM,
+                                   FeatureSB,
+                                   FeatureSHA2,
+                                   FeatureSHA3,
+                                   FeatureSSBS,
+                                   FeatureTLB_RMI,
+                                   ]>;
+
 def ProcExynosM3 : SubtargetFeature<"exynosm3", "ARMProcFamily", "ExynosM3",
                                     "Samsung Exynos-M3 processors",
                                     [FeatureCRC,
@@ -1103,6 +1134,9 @@
 def : ProcessorModel<"apple-a12", CycloneModel, [ProcAppleA12]>;
 def : ProcessorModel<"apple-a13", CycloneModel, [ProcAppleA13]>;
 
+// Mac CPUs
+def : ProcessorModel<"apple-m1", CycloneModel, [ProcAppleM1]>;
+
 // watch CPUs.
 def : ProcessorModel<"apple-s4", CycloneModel, [ProcAppleA12]>;
 def : ProcessorModel<"apple-s5", CycloneModel, [ProcAppleA12]>;
diff --git a/llvm/unittests/Support/TargetParserTest.cpp b/llvm/unittests/Support/TargetParserTest.cpp
--- a/llvm/unittests/Support/TargetParserTest.cpp
+++ b/llvm/unittests/Support/TargetParserTest.cpp
@@ -952,6 +952,16 @@
           AArch64::AEK_RDM | AArch64::AEK_RCPC | AArch64::AEK_DOTPROD |
           AArch64::AEK_FP16 | AArch64::AEK_FP16FML,
       "8.4-A"));
+  EXPECT_TRUE(testAArch64CPU(
+      "apple-m1", "armv8-a", "crypto-neon-fp-armv8",
+      AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
+          AArch64::AEK_SIMD | AArch64::AEK_FP16 | AArch64::AEK_RAS |
+          AArch64::AEK_LSE | AArch64::AEK_DOTPROD | AArch64::AEK_RCPC |
+          AArch64::AEK_RDM | AArch64::AEK_SHA2 | AArch64::AEK_SHA3 |
+          AArch64::AEK_AES | AArch64::AEK_FP16FML | AArch64::AEK_SSBS |
+          AArch64::AEK_SB | AArch64::AEK_PREDRES,
+      "8-A"));
+
   EXPECT_TRUE(testAArch64CPU(
       "apple-s4", "armv8.3-a", "crypto-neon-fp-armv8",
       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
@@ -1063,7 +1073,7 @@
       "8.2-A"));
 }
 
-static constexpr unsigned NumAArch64CPUArchs = 45;
+static constexpr unsigned NumAArch64CPUArchs = 46;
 
 TEST(TargetParserTest, testAArch64CPUArchList) {
   SmallVector<StringRef, NumAArch64CPUArchs> List;