diff --git a/clang/test/CodeGen/attr-target-mv.c b/clang/test/CodeGen/attr-target-mv.c
--- a/clang/test/CodeGen/attr-target-mv.c
+++ b/clang/test/CodeGen/attr-target-mv.c
@@ -14,6 +14,7 @@
 int __attribute__((target("arch=sapphirerapids"))) foo(void) {return 10;}
 int __attribute__((target("arch=alderlake"))) foo(void) {return 11;}
 int __attribute__((target("arch=rocketlake"))) foo(void) {return 12;}
+int __attribute__((target("arch=cascadelake"))) foo(void) {return 13;}
 int __attribute__((target("default"))) foo(void) { return 2; }
 
 int bar() {
@@ -110,6 +111,8 @@
 // LINUX: ret i32 11
 // LINUX: define{{.*}} i32 @foo.arch_rocketlake()
 // LINUX: ret i32 12
+// LINUX: define{{.*}} i32 @foo.arch_cascadelake()
+// LINUX: ret i32 13
 // LINUX: define{{.*}} i32 @foo()
 // LINUX: ret i32 2
 // LINUX: define{{.*}} i32 @bar()
@@ -139,6 +142,8 @@
 // WINDOWS: ret i32 11
 // WINDOWS: define dso_local i32 @foo.arch_rocketlake()
 // WINDOWS: ret i32 12
+// WINDOWS: define dso_local i32 @foo.arch_cascadelake()
+// WINDOWS: ret i32 13
 // WINDOWS: define dso_local i32 @foo()
 // WINDOWS: ret i32 2
 // WINDOWS: define dso_local i32 @bar()
diff --git a/llvm/include/llvm/Support/X86TargetParser.def b/llvm/include/llvm/Support/X86TargetParser.def
--- a/llvm/include/llvm/Support/X86TargetParser.def
+++ b/llvm/include/llvm/Support/X86TargetParser.def
@@ -236,6 +236,8 @@
 CPU_SPECIFIC("core_aes_pclmulqdq", 'Q', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+popcnt")
 CPU_SPECIFIC("atom_sse4_2_movbe", 'd', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+movbe,+popcnt")
 CPU_SPECIFIC("goldmont", 'i', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+movbe,+popcnt")
+CPU_SPECIFIC("goldmont_plus", 'f', "+aes,+clflushopt,+crc32,+cx16,+cx8,+fsgsbase,+fxsr,+mmx,+movbe,+pclmul,+popcnt,+prfchw,+ptwrite,+rdpid,+rdrnd,+rdseed,+sahf,+sgx,+sha,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC("tremont", 'g', "+aes,+clflushopt,+clwb,+crc32,+cx16,+cx8,+fsgsbase,+fxsr,+gfni,+mmx,+movbe,+pclmul,+popcnt,+prfchw,+ptwrite,+rdpid,+rdrnd,+rdseed,+sahf,+sgx,+sha,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
 CPU_SPECIFIC("sandybridge", 'R', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+popcnt,+avx")
 CPU_SPECIFIC_ALIAS("core_2nd_gen_avx", "sandybridge")
 CPU_SPECIFIC("ivybridge", 'S', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+popcnt,+f16c,+avx")
@@ -251,6 +253,14 @@
 CPU_SPECIFIC("skylake", 'b', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+movbe,+popcnt,+f16c,+avx,+fma,+bmi,+lzcnt,+avx2,+adx,+mpx")
 CPU_SPECIFIC( "skylake_avx512", 'a', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+movbe,+popcnt,+f16c,+avx,+fma,+bmi,+lzcnt,+avx2,+avx512dq,+avx512f,+adx,+avx512cd,+avx512bw,+avx512vl,+clwb")
 CPU_SPECIFIC("cannonlake", 'e', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+movbe,+popcnt,+f16c,+avx,+fma,+bmi,+lzcnt,+avx2,+avx512dq,+avx512f,+adx,+avx512ifma,+avx512cd,+avx512bw,+avx512vl,+avx512vbmi")
+CPU_SPECIFIC("cascadelake", 'o', "+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+avx512vnni,+bmi,+bmi2,+clflushopt,+clwb,+crc32,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC("cooperlake", 'h', "+adx,+aes,+avx,+avx2,+avx512bf16,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+avx512vnni,+bmi,+bmi2,+clflushopt,+clwb,+crc32,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC("icelake_client", 'k', "+adx,+aes,+avx,+avx2,+avx512bitalg,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512ifma,+avx512vbmi,+avx512vbmi2,+avx512vl,+avx512vnni,+avx512vpopcntdq,+bmi,+bmi2,+clflushopt,+crc32,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+gfni,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdpid,+rdrnd,+rdseed,+sahf,+sgx,+sha,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+vaes,+vpclmulqdq,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC("tigerlake", 'l', "+adx,+aes,+avx,+avx2,+avx512bitalg,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512ifma,+avx512vbmi,+avx512vbmi2,+avx512vl,+avx512vnni,+avx512vp2intersect,+avx512vpopcntdq,+bmi,+bmi2,+clflushopt,+clwb,+crc32,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+gfni,+invpcid,+kl,+lzcnt,+mmx,+movbe,+movdir64b,+movdiri,+pclmul,+pku,+popcnt,+prfchw,+rdpid,+rdrnd,+rdseed,+sahf,+sgx,+sha,+shstk,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+vaes,+vpclmulqdq,+widekl,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC("icelake_server", 'm', "+adx,+aes,+avx,+avx2,+avx512bitalg,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512ifma,+avx512vbmi,+avx512vbmi2,+avx512vl,+avx512vnni,+avx512vpopcntdq,+bmi,+bmi2,+clflushopt,+clwb,+crc32,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+gfni,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pconfig,+pku,+popcnt,+prfchw,+rdpid,+rdrnd,+rdseed,+sahf,+sgx,+sha,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+vaes,+vpclmulqdq,+wbnoinvd,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC("sapphirerapids", 'n', "+adx,+aes,+amx-bf16,+amx-int8,+amx-tile,+avx,+avx2,+avx512bf16,+avx512bitalg,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512fp16,+avx512ifma,+avx512vbmi,+avx512vbmi2,+avx512vl,+avx512vnni,+avx512vp2intersect,+avx512vpopcntdq,+avxvnni,+bmi,+bmi2,+cldemote,+clflushopt,+clwb,+crc32,+cx16,+cx8,+enqcmd,+f16c,+fma,+fsgsbase,+fxsr,+gfni,+invpcid,+lzcnt,+mmx,+movbe,+movdir64b,+movdiri,+pclmul,+pconfig,+pku,+popcnt,+prfchw,+ptwrite,+rdpid,+rdrnd,+rdseed,+sahf,+serialize,+sgx,+sha,+shstk,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+tsxldtrk,+uintr,+vaes,+vpclmulqdq,+waitpkg,+wbnoinvd,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
+CPU_SPECIFIC_ALIAS("rocketlake", "icelake_client")
+CPU_SPECIFIC("alderlake", 'p', "+adx,+aes,+avx,+avx2,+avxvnni,+bmi,+bmi2,+cldemote,+clflushopt,+clwb,+crc32,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+gfni,+hreset,+invpcid,+kl,+lzcnt,+mmx,+movbe,+movdir64b,+movdiri,+pclmul,+pconfig,+pku,+popcnt,+prfchw,+ptwrite,+rdpid,+rdrnd,+rdseed,+sahf,+serialize,+sgx,+sha,+shstk,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+vaes,+vpclmulqdq,+waitpkg,+widekl,+x87,+xsave,+xsavec,+xsaveopt,+xsaves")
 CPU_SPECIFIC("knm", 'j', "+cmov,+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+movbe,+popcnt,+f16c,+avx,+fma,+bmi,+lzcnt,+avx2,+avx512f,+adx,+avx512er,+avx512pf,+avx512cd,+avx5124fmaps,+avx5124vnniw,+avx512vpopcntdq")
 
 #undef CPU_SPECIFIC_ALIAS