diff --git a/clang/include/clang/Basic/X86Target.def b/clang/include/clang/Basic/X86Target.def
index b4ef51b16876..21550fe2dd55 100644
--- a/clang/include/clang/Basic/X86Target.def
+++ b/clang/include/clang/Basic/X86Target.def
@@ -139,6 +139,10 @@ PROC_ALIAS(SkylakeServer, "skx")
 /// Cannonlake client microarchitecture based processors.
 PROC(Cannonlake, "cannonlake", PROC_64_BIT)
 
+/// \name Icelake Client
+/// Icelake client microarchitecture based processors.
+PROC(Icelake, "icelake", PROC_64_BIT)
+
 /// \name Knights Landing
 /// Knights Landing processor.
 PROC(KNL, "knl", PROC_64_BIT)
diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp
index 6cb493f9e3ff..3a1ad0e7bfa8 100644
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -130,6 +130,9 @@ bool X86TargetInfo::initFeatureMap(
     setFeatureEnabledImpl(Features, "mmx", true);
     break;
 
+  case CK_Icelake:
+    // TODO: Add icelake features here.
+    LLVM_FALLTHROUGH;
   case CK_Cannonlake:
     setFeatureEnabledImpl(Features, "avx512ifma", true);
     setFeatureEnabledImpl(Features, "avx512vbmi", true);
@@ -838,6 +841,7 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   case CK_SkylakeClient:
   case CK_SkylakeServer:
   case CK_Cannonlake:
+  case CK_Icelake:
     // FIXME: Historically, we defined this legacy name, it would be nice to
     // remove it at some point. We've never exposed fine-grained names for
     // recent primary x86 CPUs, and we should keep it that way.
diff --git a/clang/test/Driver/x86-march.c b/clang/test/Driver/x86-march.c
index 8236b2f1efcf..f08c9dfadc09 100644
--- a/clang/test/Driver/x86-march.c
+++ b/clang/test/Driver/x86-march.c
@@ -60,6 +60,10 @@
 // RUN:   | FileCheck %s -check-prefix=cannonlake
 // cannonlake: "-target-cpu" "cannonlake"
 //
+// RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=icelake 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=icelake
+// icelake: "-target-cpu" "icelake"
+//
 // RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=lakemont 2>&1 \
 // RUN:   | FileCheck %s -check-prefix=lakemont
 // lakemont: "-target-cpu" "lakemont"
diff --git a/clang/test/Frontend/x86-target-cpu.c b/clang/test/Frontend/x86-target-cpu.c
index 4e0db5568a93..cefe569e2c40 100644
--- a/clang/test/Frontend/x86-target-cpu.c
+++ b/clang/test/Frontend/x86-target-cpu.c
@@ -13,6 +13,7 @@
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu skylake-avx512 -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu skx -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu cannonlake -verify %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu icelake -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu knl -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu bonnell -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu silvermont -verify %s
diff --git a/clang/test/Preprocessor/predefined-arch-macros.c b/clang/test/Preprocessor/predefined-arch-macros.c
index 6377b48c072b..892e2783942e 100644
--- a/clang/test/Preprocessor/predefined-arch-macros.c
+++ b/clang/test/Preprocessor/predefined-arch-macros.c
@@ -1033,6 +1033,95 @@
 // CHECK_CNL_M64: #define __x86_64 1
 // CHECK_CNL_M64: #define __x86_64__ 1
 
+// RUN: %clang -march=icelake -m32 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_ICL_M32
+// CHECK_ICL_M32: #define __AES__ 1
+// CHECK_ICL_M32: #define __AVX2__ 1
+// CHECK_ICL_M32: #define __AVX512BW__ 1
+// CHECK_ICL_M32: #define __AVX512CD__ 1
+// CHECK_ICL_M32: #define __AVX512DQ__ 1
+// CHECK_ICL_M32: #define __AVX512F__ 1
+// CHECK_ICL_M32: #define __AVX512IFMA__ 1
+// CHECK_ICL_M32: #define __AVX512VBMI__ 1
+// CHECK_ICL_M32: #define __AVX512VL__ 1
+// CHECK_ICL_M32: #define __AVX__ 1
+// CHECK_ICL_M32: #define __BMI2__ 1
+// CHECK_ICL_M32: #define __BMI__ 1
+// CHECK_ICL_M32: #define __CLFLUSHOPT__ 1
+// CHECK_ICL_M32: #define __F16C__ 1
+// CHECK_ICL_M32: #define __FMA__ 1
+// CHECK_ICL_M32: #define __LZCNT__ 1
+// CHECK_ICL_M32: #define __MMX__ 1
+// CHECK_ICL_M32: #define __MPX__ 1
+// CHECK_ICL_M32: #define __PCLMUL__ 1
+// CHECK_ICL_M32: #define __POPCNT__ 1
+// CHECK_ICL_M32: #define __RDRND__ 1
+// CHECK_ICL_M32: #define __RTM__ 1
+// CHECK_ICL_M32: #define __SGX__ 1
+// CHECK_ICL_M32: #define __SHA__ 1
+// CHECK_ICL_M32: #define __SSE2__ 1
+// CHECK_ICL_M32: #define __SSE3__ 1
+// CHECK_ICL_M32: #define __SSE4_1__ 1
+// CHECK_ICL_M32: #define __SSE4_2__ 1
+// CHECK_ICL_M32: #define __SSE__ 1
+// CHECK_ICL_M32: #define __SSSE3__ 1
+// CHECK_ICL_M32: #define __XSAVEC__ 1
+// CHECK_ICL_M32: #define __XSAVEOPT__ 1
+// CHECK_ICL_M32: #define __XSAVES__ 1
+// CHECK_ICL_M32: #define __XSAVE__ 1
+// CHECK_ICL_M32: #define __corei7 1
+// CHECK_ICL_M32: #define __corei7__ 1
+// CHECK_ICL_M32: #define __i386 1
+// CHECK_ICL_M32: #define __i386__ 1
+// CHECK_ICL_M32: #define __tune_corei7__ 1
+// CHECK_ICL_M32: #define i386 1
+//
+// RUN: %clang -march=icelake -m64 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_ICL_M64
+// CHECK_ICL_M64: #define __AES__ 1
+// CHECK_ICL_M64: #define __AVX2__ 1
+// CHECK_ICL_M64: #define __AVX512BW__ 1
+// CHECK_ICL_M64: #define __AVX512CD__ 1
+// CHECK_ICL_M64: #define __AVX512DQ__ 1
+// CHECK_ICL_M64: #define __AVX512F__ 1
+// CHECK_ICL_M64: #define __AVX512IFMA__ 1
+// CHECK_ICL_M64: #define __AVX512VBMI__ 1
+// CHECK_ICL_M64: #define __AVX512VL__ 1
+// CHECK_ICL_M64: #define __AVX__ 1
+// CHECK_ICL_M64: #define __BMI2__ 1
+// CHECK_ICL_M64: #define __BMI__ 1
+// CHECK_ICL_M64: #define __CLFLUSHOPT__ 1
+// CHECK_ICL_M64: #define __F16C__ 1
+// CHECK_ICL_M64: #define __FMA__ 1
+// CHECK_ICL_M64: #define __LZCNT__ 1
+// CHECK_ICL_M64: #define __MMX__ 1
+// CHECK_ICL_M64: #define __MPX__ 1
+// CHECK_ICL_M64: #define __PCLMUL__ 1
+// CHECK_ICL_M64: #define __POPCNT__ 1
+// CHECK_ICL_M64: #define __RDRND__ 1
+// CHECK_ICL_M64: #define __RTM__ 1
+// CHECK_ICL_M64: #define __SGX__ 1
+// CHECK_ICL_M64: #define __SHA__ 1
+// CHECK_ICL_M64: #define __SSE2__ 1
+// CHECK_ICL_M64: #define __SSE3__ 1
+// CHECK_ICL_M64: #define __SSE4_1__ 1
+// CHECK_ICL_M64: #define __SSE4_2__ 1
+// CHECK_ICL_M64: #define __SSE__ 1
+// CHECK_ICL_M64: #define __SSSE3__ 1
+// CHECK_ICL_M64: #define __XSAVEC__ 1
+// CHECK_ICL_M64: #define __XSAVEOPT__ 1
+// CHECK_ICL_M64: #define __XSAVES__ 1
+// CHECK_ICL_M64: #define __XSAVE__ 1
+// CHECK_ICL_M64: #define __amd64 1
+// CHECK_ICL_M64: #define __amd64__ 1
+// CHECK_ICL_M64: #define __corei7 1
+// CHECK_ICL_M64: #define __corei7__ 1
+// CHECK_ICL_M64: #define __tune_corei7__ 1
+// CHECK_ICL_M64: #define __x86_64 1
+// CHECK_ICL_M64: #define __x86_64__ 1
+
 // RUN: %clang -march=atom -m32 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_ATOM_M32