[X86] AMD znver2 enablement

This patch enables the following

1) AMD family 17h "znver2" tune flag (-march, -mcpu).
2) ISAs that are enabled for "znver2" architecture.
3) For the time being, it uses the znver1 scheduler model.
4) Tests are updated.
5) This patch is the clang counterpart to D58343

Reviewers: craig.topper
Tags: #clang

Differential Revision: https://reviews.llvm.org/D58344

llvm-svn: 354899

7 files changed, 111 insertions, 2 deletions

diff --git a/clang/include/clang/Basic/X86Target.def b/clang/include/clang/Basic/X86Target.def
index c6719ff2aff..5776f6484c9 100644
--- a/clang/include/clang/Basic/X86Target.def
+++ b/clang/include/clang/Basic/X86Target.def
@@ -236,6 +236,7 @@ PROC_WITH_FEAT(BDVER4, "bdver4", PROC_64_BIT, FEATURE_AVX2)
 /// Zen architecture processors.
 //@{
 PROC_WITH_FEAT(ZNVER1, "znver1", PROC_64_BIT, FEATURE_AVX2)
+PROC_WITH_FEAT(ZNVER2, "znver2", PROC_64_BIT, FEATURE_AVX2)
 //@}
 
 /// This specification is deprecated and will be removed in the future.
diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp
index c3385033e90..69a766cd4a6 100644
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -347,6 +347,11 @@ bool X86TargetInfo::initFeatureMap(
     setFeatureEnabledImpl(Features, "sahf", true);
     break;
 
+  case CK_ZNVER2:
+    setFeatureEnabledImpl(Features, "clwb", true);
+    setFeatureEnabledImpl(Features, "rdpid", true);
+    setFeatureEnabledImpl(Features, "wbnoinvd", true);
+    LLVM_FALLTHROUGH;
   case CK_ZNVER1:
     setFeatureEnabledImpl(Features, "adx", true);
     setFeatureEnabledImpl(Features, "aes", true);
@@ -1030,6 +1035,9 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   case CK_ZNVER1:
     defineCPUMacros(Builder, "znver1");
     break;
+  case CK_ZNVER2:
+    defineCPUMacros(Builder, "znver2");
+    break;
   case CK_Geode:
     defineCPUMacros(Builder, "geode");
     break;
diff --git a/clang/test/CodeGen/target-builtin-noerror.c b/clang/test/CodeGen/target-builtin-noerror.c
index 400c5e696ad..f8d73ef9923 100644
--- a/clang/test/CodeGen/target-builtin-noerror.c
+++ b/clang/test/CodeGen/target-builtin-noerror.c
@@ -120,4 +120,5 @@ void verifycpustrings() {
   (void)__builtin_cpu_is("tremont");
   (void)__builtin_cpu_is("westmere");
   (void)__builtin_cpu_is("znver1");
+  (void)__builtin_cpu_is("znver2");
 }
diff --git a/clang/test/Driver/x86-march.c b/clang/test/Driver/x86-march.c
index bc1194ff73b..5edc890224b 100644
--- a/clang/test/Driver/x86-march.c
+++ b/clang/test/Driver/x86-march.c
@@ -159,3 +159,7 @@
 // RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=znver1 2>&1 \
 // RUN:   | FileCheck %s -check-prefix=znver1
 // znver1: "-target-cpu" "znver1"
+//
+// RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=znver2 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=znver2
+// znver2: "-target-cpu" "znver2"
diff --git a/clang/test/Frontend/x86-target-cpu.c b/clang/test/Frontend/x86-target-cpu.c
index 0ec301f4426..05b28f0f68f 100644
--- a/clang/test/Frontend/x86-target-cpu.c
+++ b/clang/test/Frontend/x86-target-cpu.c
@@ -35,5 +35,6 @@
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu btver1 -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu btver2 -verify %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu znver1 -verify %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-cpu znver2 -verify %s
 //
 // expected-no-diagnostics
diff --git a/clang/test/Misc/target-invalid-cpu-note.c b/clang/test/Misc/target-invalid-cpu-note.c
index 7a37edaa7bb..5af321bc8b2 100644
--- a/clang/test/Misc/target-invalid-cpu-note.c
+++ b/clang/test/Misc/target-invalid-cpu-note.c
@@ -19,7 +19,7 @@
 // X86-SAME: skx, cascadelake, cannonlake, icelake-client, icelake-server, knl, knm, lakemont, k6, k6-2, k6-3,
 // X86-SAME: athlon, athlon-tbird, athlon-xp, athlon-mp, athlon-4, k8, athlon64,
 // X86-SAME: athlon-fx, opteron, k8-sse3, athlon64-sse3, opteron-sse3, amdfam10,
-// X86-SAME: barcelona, btver1, btver2, bdver1, bdver2, bdver3, bdver4, znver1,
+// X86-SAME: barcelona, btver1, btver2, bdver1, bdver2, bdver3, bdver4, znver1, znver2,
 // X86-SAME: x86-64, geode
 
 // RUN: not %clang_cc1 -triple x86_64--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix X86_64
@@ -30,7 +30,7 @@
 // X86_64-SAME: core-avx2, broadwell, skylake, skylake-avx512, skx, cascadelake, cannonlake,
 // X86_64-SAME: icelake-client, icelake-server, knl, knm, k8, athlon64, athlon-fx, opteron, k8-sse3,
 // X86_64-SAME: athlon64-sse3, opteron-sse3, amdfam10, barcelona, btver1,
-// X86_64-SAME: btver2, bdver1, bdver2, bdver3, bdver4, znver1, x86-64
+// X86_64-SAME: btver2, bdver1, bdver2, bdver3, bdver4, znver1, znver2, x86-64
 
 // RUN: not %clang_cc1 -triple nvptx--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix NVPTX
 // NVPTX: error: unknown target CPU 'not-a-cpu'
diff --git a/clang/test/Preprocessor/predefined-arch-macros.c b/clang/test/Preprocessor/predefined-arch-macros.c
index 65d3a3ec319..f98f0ee54e0 100644
--- a/clang/test/Preprocessor/predefined-arch-macros.c
+++ b/clang/test/Preprocessor/predefined-arch-macros.c
@@ -2676,6 +2676,100 @@
 // CHECK_ZNVER1_M64: #define __znver1 1
 // CHECK_ZNVER1_M64: #define __znver1__ 1
 
+// RUN: %clang -march=znver2 -m32 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_ZNVER2_M32
+// CHECK_ZNVER2_M32-NOT: #define __3dNOW_A__ 1
+// CHECK_ZNVER2_M32-NOT: #define __3dNOW__ 1
+// CHECK_ZNVER2_M32: #define __ADX__ 1
+// CHECK_ZNVER2_M32: #define __AES__ 1
+// CHECK_ZNVER2_M32: #define __AVX2__ 1
+// CHECK_ZNVER2_M32: #define __AVX__ 1
+// CHECK_ZNVER2_M32: #define __BMI2__ 1
+// CHECK_ZNVER2_M32: #define __BMI__ 1
+// CHECK_ZNVER2_M32: #define __CLFLUSHOPT__ 1
+// CHECK_ZNVER2_M32: #define __CLWB__ 1
+// CHECK_ZNVER2_M32: #define __CLZERO__ 1
+// CHECK_ZNVER2_M32: #define __F16C__ 1
+// CHECK_ZNVER2_M32: #define __FMA__ 1
+// CHECK_ZNVER2_M32: #define __FSGSBASE__ 1
+// CHECK_ZNVER2_M32: #define __LZCNT__ 1
+// CHECK_ZNVER2_M32: #define __MMX__ 1
+// CHECK_ZNVER2_M32: #define __PCLMUL__ 1
+// CHECK_ZNVER2_M32: #define __POPCNT__ 1
+// CHECK_ZNVER2_M32: #define __PRFCHW__ 1
+// CHECK_ZNVER2_M32: #define __RDPID__ 1
+// CHECK_ZNVER2_M32: #define __RDRND__ 1
+// CHECK_ZNVER2_M32: #define __RDSEED__ 1
+// CHECK_ZNVER2_M32: #define __SHA__ 1
+// CHECK_ZNVER2_M32: #define __SSE2_MATH__ 1
+// CHECK_ZNVER2_M32: #define __SSE2__ 1
+// CHECK_ZNVER2_M32: #define __SSE3__ 1
+// CHECK_ZNVER2_M32: #define __SSE4A__ 1
+// CHECK_ZNVER2_M32: #define __SSE4_1__ 1
+// CHECK_ZNVER2_M32: #define __SSE4_2__ 1
+// CHECK_ZNVER2_M32: #define __SSE_MATH__ 1
+// CHECK_ZNVER2_M32: #define __SSE__ 1
+// CHECK_ZNVER2_M32: #define __SSSE3__ 1
+// CHECK_ZNVER2_M32: #define __WBNOINVD__ 1
+// CHECK_ZNVER2_M32: #define __XSAVEC__ 1
+// CHECK_ZNVER2_M32: #define __XSAVEOPT__ 1
+// CHECK_ZNVER2_M32: #define __XSAVES__ 1
+// CHECK_ZNVER2_M32: #define __XSAVE__ 1
+// CHECK_ZNVER2_M32: #define __i386 1
+// CHECK_ZNVER2_M32: #define __i386__ 1
+// CHECK_ZNVER2_M32: #define __tune_znver2__ 1
+// CHECK_ZNVER2_M32: #define __znver2 1
+// CHECK_ZNVER2_M32: #define __znver2__ 1
+
+// RUN: %clang -march=znver2 -m64 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_ZNVER2_M64
+// CHECK_ZNVER2_M64-NOT: #define __3dNOW_A__ 1
+// CHECK_ZNVER2_M64-NOT: #define __3dNOW__ 1
+// CHECK_ZNVER2_M64: #define __ADX__ 1
+// CHECK_ZNVER2_M64: #define __AES__ 1
+// CHECK_ZNVER2_M64: #define __AVX2__ 1
+// CHECK_ZNVER2_M64: #define __AVX__ 1
+// CHECK_ZNVER2_M64: #define __BMI2__ 1
+// CHECK_ZNVER2_M64: #define __BMI__ 1
+// CHECK_ZNVER2_M64: #define __CLFLUSHOPT__ 1
+// CHECK_ZNVER2_M64: #define __CLWB__ 1
+// CHECK_ZNVER2_M64: #define __CLZERO__ 1
+// CHECK_ZNVER2_M64: #define __F16C__ 1
+// CHECK_ZNVER2_M64: #define __FMA__ 1
+// CHECK_ZNVER2_M64: #define __FSGSBASE__ 1
+// CHECK_ZNVER2_M64: #define __LZCNT__ 1
+// CHECK_ZNVER2_M64: #define __MMX__ 1
+// CHECK_ZNVER2_M64: #define __PCLMUL__ 1
+// CHECK_ZNVER2_M64: #define __POPCNT__ 1
+// CHECK_ZNVER2_M64: #define __PRFCHW__ 1
+// CHECK_ZNVER2_M64: #define __RDPID__ 1
+// CHECK_ZNVER2_M64: #define __RDRND__ 1
+// CHECK_ZNVER2_M64: #define __RDSEED__ 1
+// CHECK_ZNVER2_M64: #define __SHA__ 1
+// CHECK_ZNVER2_M64: #define __SSE2_MATH__ 1
+// CHECK_ZNVER2_M64: #define __SSE2__ 1
+// CHECK_ZNVER2_M64: #define __SSE3__ 1
+// CHECK_ZNVER2_M64: #define __SSE4A__ 1
+// CHECK_ZNVER2_M64: #define __SSE4_1__ 1
+// CHECK_ZNVER2_M64: #define __SSE4_2__ 1
+// CHECK_ZNVER2_M64: #define __SSE_MATH__ 1
+// CHECK_ZNVER2_M64: #define __SSE__ 1
+// CHECK_ZNVER2_M64: #define __SSSE3__ 1
+// CHECK_ZNVER2_M64: #define __WBNOINVD__ 1
+// CHECK_ZNVER2_M64: #define __XSAVEC__ 1
+// CHECK_ZNVER2_M64: #define __XSAVEOPT__ 1
+// CHECK_ZNVER2_M64: #define __XSAVES__ 1
+// CHECK_ZNVER2_M64: #define __XSAVE__ 1
+// CHECK_ZNVER2_M64: #define __amd64 1
+// CHECK_ZNVER2_M64: #define __amd64__ 1
+// CHECK_ZNVER2_M64: #define __tune_znver2__ 1
+// CHECK_ZNVER2_M64: #define __x86_64 1
+// CHECK_ZNVER2_M64: #define __x86_64__ 1
+// CHECK_ZNVER2_M64: #define __znver2 1
+// CHECK_ZNVER2_M64: #define __znver2__ 1
+
 // End X86/GCC/Linux tests ------------------
 
 // Begin PPC/GCC/Linux tests ----------------