[clang] Reland [FMV] Emit the resolver along with the default version definit… (PR #85923)
Alexandros Lamprineas via cfe-commits
cfe-commits at lists.llvm.org
Wed Mar 20 08:54:43 PDT 2024
https://github.com/labrinea updated https://github.com/llvm/llvm-project/pull/85923
>From c0c07deebef4e2c76d935b4ce8fc1d4abddab4db Mon Sep 17 00:00:00 2001
From: Alexandros Lamprineas <alexandros.lamprineas at arm.com>
Date: Wed, 20 Mar 2024 10:32:58 +0000
Subject: [PATCH] Reland [FMV] Emit the resolver along with the default version
definition.
This was reverted because the resolver didn't look as expected in one of
the tests. I believe it had some interaction with #84146. I have now
regenerated it using -target-feature -fp-armv8.
---
clang/lib/CodeGen/CodeGenModule.cpp | 55 +-
clang/lib/CodeGen/CodeGenModule.h | 5 +
clang/test/CodeGen/attr-target-version.c | 546 ++++++++++++------
clang/test/CodeGenCXX/attr-target-version.cpp | 261 +++++++--
4 files changed, 629 insertions(+), 238 deletions(-)
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index bb26bfcddaeb78..cb153066b28dd1 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -3449,6 +3449,9 @@ bool CodeGenModule::MayBeEmittedEagerly(const ValueDecl *Global) {
// Implicit template instantiations may change linkage if they are later
// explicitly instantiated, so they should not be emitted eagerly.
return false;
+ // Defer until all versions have been semantically checked.
+ if (FD->hasAttr<TargetVersionAttr>() && !FD->isMultiVersion())
+ return false;
}
if (const auto *VD = dyn_cast<VarDecl>(Global)) {
if (Context.getInlineVariableDefinitionKind(VD) ==
@@ -3997,10 +4000,13 @@ void CodeGenModule::EmitMultiVersionFunctionDefinition(GlobalDecl GD,
EmitGlobalFunctionDefinition(GD.getWithMultiVersionIndex(I), nullptr);
// Ensure that the resolver function is also emitted.
GetOrCreateMultiVersionResolver(GD);
- } else if (FD->hasAttr<TargetVersionAttr>()) {
- GetOrCreateMultiVersionResolver(GD);
} else
EmitGlobalFunctionDefinition(GD, GV);
+
+ // Defer the resolver emission until we can reason whether the TU
+ // contains a default target version implementation.
+ if (FD->isTargetVersionMultiVersion())
+ AddDeferredMultiVersionResolverToEmit(GD);
}
void CodeGenModule::EmitGlobalDefinition(GlobalDecl GD, llvm::GlobalValue *GV) {
@@ -4093,10 +4099,11 @@ void CodeGenModule::emitMultiVersionFunctions() {
const auto *FD = cast<FunctionDecl>(GD.getDecl());
assert(FD && "Expected a FunctionDecl");
+ bool EmitResolver = !FD->isTargetVersionMultiVersion();
SmallVector<CodeGenFunction::MultiVersionResolverOption, 10> Options;
if (FD->isTargetMultiVersion()) {
getContext().forEachMultiversionedFunctionVersion(
- FD, [this, &GD, &Options](const FunctionDecl *CurFD) {
+ FD, [this, &GD, &Options, &EmitResolver](const FunctionDecl *CurFD) {
GlobalDecl CurGD{
(CurFD->isDefined() ? CurFD->getDefinition() : CurFD)};
StringRef MangledName = getMangledName(CurGD);
@@ -4122,6 +4129,9 @@ void CodeGenModule::emitMultiVersionFunctions() {
TA->getArchitecture(), Feats);
} else {
const auto *TVA = CurFD->getAttr<TargetVersionAttr>();
+ if (CurFD->isUsed() || (TVA->isDefaultVersion() &&
+ CurFD->doesThisDeclarationHaveABody()))
+ EmitResolver = true;
llvm::SmallVector<StringRef, 8> Feats;
TVA->getFeatures(Feats);
Options.emplace_back(cast<llvm::Function>(Func),
@@ -4177,22 +4187,27 @@ void CodeGenModule::emitMultiVersionFunctions() {
continue;
}
+ if (!EmitResolver)
+ continue;
+
llvm::Constant *ResolverConstant = GetOrCreateMultiVersionResolver(GD);
if (auto *IFunc = dyn_cast<llvm::GlobalIFunc>(ResolverConstant)) {
ResolverConstant = IFunc->getResolver();
if (FD->isTargetClonesMultiVersion() ||
FD->isTargetVersionMultiVersion()) {
- const CGFunctionInfo &FI = getTypes().arrangeGlobalDeclaration(GD);
- llvm::FunctionType *DeclTy = getTypes().GetFunctionType(FI);
std::string MangledName = getMangledNameImpl(
*this, GD, FD, /*OmitMultiVersionMangling=*/true);
- // In prior versions of Clang, the mangling for ifuncs incorrectly
- // included an .ifunc suffix. This alias is generated for backward
- // compatibility. It is deprecated, and may be removed in the future.
- auto *Alias = llvm::GlobalAlias::create(
- DeclTy, 0, getMultiversionLinkage(*this, GD),
- MangledName + ".ifunc", IFunc, &getModule());
- SetCommonAttributes(FD, Alias);
+ if (!GetGlobalValue(MangledName + ".ifunc")) {
+ const CGFunctionInfo &FI = getTypes().arrangeGlobalDeclaration(GD);
+ llvm::FunctionType *DeclTy = getTypes().GetFunctionType(FI);
+ // In prior versions of Clang, the mangling for ifuncs incorrectly
+ // included an .ifunc suffix. This alias is generated for backward
+ // compatibility. It is deprecated, and may be removed in the future.
+ auto *Alias = llvm::GlobalAlias::create(
+ DeclTy, 0, getMultiversionLinkage(*this, GD),
+ MangledName + ".ifunc", IFunc, &getModule());
+ SetCommonAttributes(FD, Alias);
+ }
}
}
llvm::Function *ResolverFunc = cast<llvm::Function>(ResolverConstant);
@@ -4349,6 +4364,20 @@ void CodeGenModule::emitCPUDispatchDefinition(GlobalDecl GD) {
}
}
+/// Adds a declaration to the list of multi version functions if not present.
+void CodeGenModule::AddDeferredMultiVersionResolverToEmit(GlobalDecl GD) {
+ const auto *FD = cast<FunctionDecl>(GD.getDecl());
+ assert(FD && "Not a FunctionDecl?");
+
+ if (FD->isTargetVersionMultiVersion()) {
+ std::string MangledName =
+ getMangledNameImpl(*this, GD, FD, /*OmitMultiVersionMangling=*/true);
+ if (!DeferredResolversToEmit.insert(MangledName).second)
+ return;
+ }
+ MultiVersionFuncs.push_back(GD);
+}
+
/// If a dispatcher for the specified mangled name is not in the module, create
/// and return an llvm Function with the specified type.
llvm::Constant *CodeGenModule::GetOrCreateMultiVersionResolver(GlobalDecl GD) {
@@ -4388,7 +4417,7 @@ llvm::Constant *CodeGenModule::GetOrCreateMultiVersionResolver(GlobalDecl GD) {
// The resolver needs to be created. For target and target_clones, defer
// creation until the end of the TU.
if (FD->isTargetMultiVersion() || FD->isTargetClonesMultiVersion())
- MultiVersionFuncs.push_back(GD);
+ AddDeferredMultiVersionResolverToEmit(GD);
// For cpu_specific, don't create an ifunc yet because we don't know if the
// cpu_dispatch will be emitted in this translation unit.
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index ec34680fd3f7e6..1cc447765e2c97 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -348,6 +348,8 @@ class CodeGenModule : public CodeGenTypeCache {
/// yet.
llvm::DenseMap<StringRef, GlobalDecl> DeferredDecls;
+ llvm::StringSet<llvm::BumpPtrAllocator> DeferredResolversToEmit;
+
/// This is a list of deferred decls which we have seen that *are* actually
/// referenced. These get code generated when the module is done.
std::vector<GlobalDecl> DeferredDeclsToEmit;
@@ -1588,6 +1590,9 @@ class CodeGenModule : public CodeGenTypeCache {
llvm::AttributeList ExtraAttrs = llvm::AttributeList(),
ForDefinition_t IsForDefinition = NotForDefinition);
+ // Adds a declaration to the list of multi version functions if not present.
+ void AddDeferredMultiVersionResolverToEmit(GlobalDecl GD);
+
// References to multiversion functions are resolved through an implicitly
// defined resolver function. This function is responsible for creating
// the resolver symbol for the provided declaration. The value returned
diff --git a/clang/test/CodeGen/attr-target-version.c b/clang/test/CodeGen/attr-target-version.c
index b7112c783da913..25129605e76ce4 100644
--- a/clang/test/CodeGen/attr-target-version.c
+++ b/clang/test/CodeGen/attr-target-version.c
@@ -1,5 +1,5 @@
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals --include-generated-funcs
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +ls64 -target-feature +fullfp16 -S -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature -v9.5a -target-feature -fp-armv8 -S -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature -fmv -S -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-NOFMV
int __attribute__((target_version("rng+flagm+fp16fml"))) fmv(void) { return 1; }
@@ -11,15 +11,15 @@ int __attribute__((target_version("fp+aes"))) fmv(void) { return 6; }
int __attribute__((target_version("crc+ls64_v"))) fmv(void) { return 7; }
int __attribute__((target_version("bti"))) fmv(void) { return 8; }
int __attribute__((target_version("sme2"))) fmv(void) { return 9; }
-int __attribute__((target_version("default"))) fmv(void) { return 0; }
+int __attribute__((target_version("default"))) fmv(void);
int __attribute__((target_version("ls64+simd"))) fmv_one(void) { return 1; }
int __attribute__((target_version("dpb"))) fmv_one(void) { return 2; }
-int __attribute__((target_version("default"))) fmv_one(void) { return 0; }
+int __attribute__((target_version("default"))) fmv_one(void);
int __attribute__((target_version("fp"))) fmv_two(void) { return 1; }
int __attribute__((target_version("simd"))) fmv_two(void) { return 2; }
int __attribute__((target_version("dgh"))) fmv_two(void) { return 3; }
int __attribute__((target_version("fp16+simd"))) fmv_two(void) { return 4; }
-int __attribute__((target_version("default"))) fmv_two(void) { return 0; }
+int __attribute__((target_version("default"))) fmv_two(void);
int foo() {
return fmv()+fmv_one()+fmv_two();
}
@@ -84,9 +84,33 @@ int hoo(void) {
return fp1() + fp2();
}
+// This should generate one target version but no resolver.
+__attribute__((target_version("default"))) int unused_with_forward_default_decl(void);
+__attribute__((target_version("mops"))) int unused_with_forward_default_decl(void) { return 0; }
+// This should also generate one target version but no resolver.
+extern int unused_with_implicit_extern_forward_default_decl(void);
+__attribute__((target_version("dotprod")))
+int unused_with_implicit_extern_forward_default_decl(void) { return 0; }
+// This should also generate one target version but no resolver.
+__attribute__((target_version("aes"))) int unused_with_default_decl(void) { return 0; }
+__attribute__((target_version("default"))) int unused_with_default_decl(void);
+// This should generate two target versions and the resolver.
+__attribute__((target_version("sve"))) int unused_with_default_def(void) { return 0; }
+__attribute__((target_version("default"))) int unused_with_default_def(void) { return 1; }
+
+// This should also generate two target versions and the resolver.
+__attribute__((target_version("fp16"))) int unused_with_implicit_default_def(void) { return 0; }
+int unused_with_implicit_default_def(void) { return 1; }
+
+// This should also generate two target versions and the resolver.
+int unused_with_implicit_forward_default_def(void) { return 0; }
+__attribute__((target_version("lse"))) int unused_with_implicit_forward_default_def(void) { return 1; }
+
+// This should generate a normal function.
+__attribute__((target_version("rdm"))) int unused_without_default(void) { return 0; }
//.
// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }
@@ -97,38 +121,107 @@ int hoo(void) {
// CHECK: @fmv_c.ifunc = weak_odr alias void (), ptr @fmv_c
// CHECK: @fmv_inline.ifunc = weak_odr alias i32 (), ptr @fmv_inline
// CHECK: @fmv_d.ifunc = internal alias i32 (), ptr @fmv_d
+// CHECK: @unused_with_default_def.ifunc = weak_odr alias i32 (), ptr @unused_with_default_def
+// CHECK: @unused_with_implicit_default_def.ifunc = weak_odr alias i32 (), ptr @unused_with_implicit_default_def
+// CHECK: @unused_with_implicit_forward_default_def.ifunc = weak_odr alias i32 (), ptr @unused_with_implicit_forward_default_def
// CHECK: @fmv = weak_odr ifunc i32 (), ptr @fmv.resolver
// CHECK: @fmv_one = weak_odr ifunc i32 (), ptr @fmv_one.resolver
// CHECK: @fmv_two = weak_odr ifunc i32 (), ptr @fmv_two.resolver
-// CHECK: @fmv_e = weak_odr ifunc i32 (), ptr @fmv_e.resolver
-// CHECK: @fmv_c = weak_odr ifunc void (), ptr @fmv_c.resolver
// CHECK: @fmv_inline = weak_odr ifunc i32 (), ptr @fmv_inline.resolver
+// CHECK: @fmv_e = weak_odr ifunc i32 (), ptr @fmv_e.resolver
// CHECK: @fmv_d = internal ifunc i32 (), ptr @fmv_d.resolver
+// CHECK: @fmv_c = weak_odr ifunc void (), ptr @fmv_c.resolver
+// CHECK: @unused_with_default_def = weak_odr ifunc i32 (), ptr @unused_with_default_def.resolver
+// CHECK: @unused_with_implicit_default_def = weak_odr ifunc i32 (), ptr @unused_with_implicit_default_def.resolver
+// CHECK: @unused_with_implicit_forward_default_def = weak_odr ifunc i32 (), ptr @unused_with_implicit_forward_default_def.resolver
//.
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MflagmMfp16fmlMrng
+// CHECK-LABEL: define {{[^@]+}}@fmv._Mflagm2Msme-i16i64
// CHECK-SAME: () #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 1
+// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mls64Msimd
+// CHECK-LABEL: define {{[^@]+}}@fmv._MlseMsha2
// CHECK-SAME: () #[[ATTR1:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 1
+// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp
-// CHECK-SAME: () #[[ATTR1]] {
+// CHECK-LABEL: define {{[^@]+}}@fmv._MdotprodMls64_accdata
+// CHECK-SAME: () #[[ATTR2:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 1
+// CHECK-NEXT: ret i32 4
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._Mfp16fmlMmemtag
+// CHECK-SAME: () #[[ATTR3:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 5
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._MaesMfp
+// CHECK-SAME: () #[[ATTR4:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 6
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._McrcMls64_v
+// CHECK-SAME: () #[[ATTR5:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 7
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._Mbti
+// CHECK-SAME: () #[[ATTR6:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 8
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv._Msme2
+// CHECK-SAME: () #[[ATTR7:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 9
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mdpb
+// CHECK-SAME: () #[[ATTR8:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 2
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Msimd
+// CHECK-SAME: () #[[ATTR4]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 2
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mdgh
+// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 3
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp16Msimd
+// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 4
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@foo
-// CHECK-SAME: () #[[ATTR2:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[CALL:%.*]] = call i32 @fmv()
// CHECK-NEXT: [[CALL1:%.*]] = call i32 @fmv_one()
@@ -158,16 +251,16 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv._Mflagm2Msme-i16i64
// CHECK: resolver_else2:
// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 16
-// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 16
+// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 9007199254741008
+// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 9007199254741008
// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]
// CHECK-NEXT: br i1 [[TMP11]], label [[RESOLVER_RETURN3:%.*]], label [[RESOLVER_ELSE4:%.*]]
// CHECK: resolver_return3:
// CHECK-NEXT: ret ptr @fmv._MdotprodMls64_accdata
// CHECK: resolver_else4:
// CHECK-NEXT: [[TMP12:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], 1024
-// CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[TMP13]], 1024
+// CHECK-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], 4503599627371520
+// CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[TMP13]], 4503599627371520
// CHECK-NEXT: [[TMP15:%.*]] = and i1 true, [[TMP14]]
// CHECK-NEXT: br i1 [[TMP15]], label [[RESOLVER_RETURN5:%.*]], label [[RESOLVER_ELSE6:%.*]]
// CHECK: resolver_return5:
@@ -182,8 +275,8 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv._Mfp16fmlMmemtag
// CHECK: resolver_else8:
// CHECK-NEXT: [[TMP20:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP21:%.*]] = and i64 [[TMP20]], 16384
-// CHECK-NEXT: [[TMP22:%.*]] = icmp eq i64 [[TMP21]], 16384
+// CHECK-NEXT: [[TMP21:%.*]] = and i64 [[TMP20]], 16640
+// CHECK-NEXT: [[TMP22:%.*]] = icmp eq i64 [[TMP21]], 16640
// CHECK-NEXT: [[TMP23:%.*]] = and i1 true, [[TMP22]]
// CHECK-NEXT: br i1 [[TMP23]], label [[RESOLVER_RETURN9:%.*]], label [[RESOLVER_ELSE10:%.*]]
// CHECK: resolver_return9:
@@ -218,43 +311,95 @@ int hoo(void) {
//
// CHECK-LABEL: define {{[^@]+}}@fmv_one.resolver() comdat {
// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 2251799813685760
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 2251799813685760
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
// CHECK-NEXT: ret ptr @fmv_one._Mls64Msimd
+// CHECK: resolver_else:
+// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 262144
+// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 262144
+// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]
+// CHECK-NEXT: br i1 [[TMP7]], label [[RESOLVER_RETURN1:%.*]], label [[RESOLVER_ELSE2:%.*]]
+// CHECK: resolver_return1:
+// CHECK-NEXT: ret ptr @fmv_one._Mdpb
+// CHECK: resolver_else2:
+// CHECK-NEXT: ret ptr @fmv_one.default
//
//
// CHECK-LABEL: define {{[^@]+}}@fmv_two.resolver() comdat {
// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 66048
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 66048
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
// CHECK-NEXT: ret ptr @fmv_two._Mfp16Msimd
+// CHECK: resolver_else:
+// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 33554432
+// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 33554432
+// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]
+// CHECK-NEXT: br i1 [[TMP7]], label [[RESOLVER_RETURN1:%.*]], label [[RESOLVER_ELSE2:%.*]]
+// CHECK: resolver_return1:
+// CHECK-NEXT: ret ptr @fmv_two._Mdgh
+// CHECK: resolver_else2:
+// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 512
+// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 512
+// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]
+// CHECK-NEXT: br i1 [[TMP11]], label [[RESOLVER_RETURN3:%.*]], label [[RESOLVER_ELSE4:%.*]]
+// CHECK: resolver_return3:
+// CHECK-NEXT: ret ptr @fmv_two._Msimd
+// CHECK: resolver_else4:
+// CHECK-NEXT: [[TMP12:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], 256
+// CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[TMP13]], 256
+// CHECK-NEXT: [[TMP15:%.*]] = and i1 true, [[TMP14]]
+// CHECK-NEXT: br i1 [[TMP15]], label [[RESOLVER_RETURN5:%.*]], label [[RESOLVER_ELSE6:%.*]]
+// CHECK: resolver_return5:
+// CHECK-NEXT: ret ptr @fmv_two._Mfp
+// CHECK: resolver_else6:
+// CHECK-NEXT: ret ptr @fmv_two.default
//
//
-// CHECK-LABEL: define {{[^@]+}}@fmv_e.resolver() comdat {
-// CHECK-NEXT: resolver_entry:
-// CHECK-NEXT: ret ptr @fmv_e._Mls64
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_e.default
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 20
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 111
//
//
-// CHECK-LABEL: define {{[^@]+}}@fmv_c.resolver() comdat {
-// CHECK-NEXT: resolver_entry:
-// CHECK-NEXT: call void @__init_cpu_features_resolver()
-// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 281474976710656
-// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 281474976710656
-// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
-// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
-// CHECK: resolver_return:
-// CHECK-NEXT: ret ptr @fmv_c._Mssbs
-// CHECK: resolver_else:
-// CHECK-NEXT: ret ptr @fmv_c.default
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_c._Mssbs
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret void
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define {{[^@]+}}@fmv_c.default
+// CHECK-SAME: () #[[ATTR9]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret void
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@goo
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[CALL:%.*]] = call i32 @fmv_inline()
// CHECK-NEXT: [[CALL1:%.*]] = call i32 @fmv_e()
@@ -268,8 +413,8 @@ int hoo(void) {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 4398048608320
-// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 4398048608320
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 4398048673856
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 4398048673856
// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK: resolver_return:
@@ -364,8 +509,8 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv_inline._Mdpb2Mjscvt
// CHECK: resolver_else22:
// CHECK-NEXT: [[TMP48:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP49:%.*]] = and i64 [[TMP48]], 8
-// CHECK-NEXT: [[TMP50:%.*]] = icmp eq i64 [[TMP49]], 8
+// CHECK-NEXT: [[TMP49:%.*]] = and i64 [[TMP48]], 520
+// CHECK-NEXT: [[TMP50:%.*]] = icmp eq i64 [[TMP49]], 520
// CHECK-NEXT: [[TMP51:%.*]] = and i1 true, [[TMP50]]
// CHECK-NEXT: br i1 [[TMP51]], label [[RESOLVER_RETURN23:%.*]], label [[RESOLVER_ELSE24:%.*]]
// CHECK: resolver_return23:
@@ -388,8 +533,8 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv_inline._MlseMrdm
// CHECK: resolver_else28:
// CHECK-NEXT: [[TMP60:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
-// CHECK-NEXT: [[TMP61:%.*]] = and i64 [[TMP60]], 32
-// CHECK-NEXT: [[TMP62:%.*]] = icmp eq i64 [[TMP61]], 32
+// CHECK-NEXT: [[TMP61:%.*]] = and i64 [[TMP60]], 288
+// CHECK-NEXT: [[TMP62:%.*]] = icmp eq i64 [[TMP61]], 288
// CHECK-NEXT: [[TMP63:%.*]] = and i1 true, [[TMP62]]
// CHECK-NEXT: br i1 [[TMP63]], label [[RESOLVER_RETURN29:%.*]], label [[RESOLVER_ELSE30:%.*]]
// CHECK: resolver_return29:
@@ -398,6 +543,20 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv_inline.default
//
//
+// CHECK-LABEL: define {{[^@]+}}@fmv_e.resolver() comdat {
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 2251799813685248
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 2251799813685248
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @fmv_e._Mls64
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @fmv_e.default
+//
+//
// CHECK-LABEL: define {{[^@]+}}@fmv_d.resolver() {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
@@ -412,9 +571,23 @@ int hoo(void) {
// CHECK-NEXT: ret ptr @fmv_d.default
//
//
+// CHECK-LABEL: define {{[^@]+}}@fmv_c.resolver() comdat {
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 281474976710656
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 281474976710656
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @fmv_c._Mssbs
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @fmv_c.default
+//
+//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@recur
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: call void @reca()
// CHECK-NEXT: ret void
@@ -422,7 +595,7 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@main
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 0, ptr [[RETVAL]], align 4
@@ -433,7 +606,7 @@ int hoo(void) {
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@hoo
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[FP1:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[FP2:%.*]] = alloca ptr, align 8
@@ -449,288 +622,274 @@ int hoo(void) {
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Mflagm2Msme-i16i64
-// CHECK-SAME: () #[[ATTR4:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 2
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MlseMsha2
-// CHECK-SAME: () #[[ATTR5:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 3
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MdotprodMls64_accdata
-// CHECK-SAME: () #[[ATTR6:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 4
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Mfp16fmlMmemtag
-// CHECK-SAME: () #[[ATTR7:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 5
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._MaesMfp
-// CHECK-SAME: () #[[ATTR1]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_forward_default_decl._Mmops
+// CHECK-SAME: () #[[ATTR12:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 6
+// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._McrcMls64_v
-// CHECK-SAME: () #[[ATTR8:[0-9]+]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_extern_forward_default_decl._Mdotprod
+// CHECK-SAME: () #[[ATTR13:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 7
+// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Mbti
-// CHECK-SAME: () #[[ATTR9:[0-9]+]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_def.default
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 8
+// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv._Msme2
-// CHECK-SAME: () #[[ATTR10:[0-9]+]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_default_def.default
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 9
+// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_forward_default_def.default
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mdpb
-// CHECK-SAME: () #[[ATTR11:[0-9]+]] {
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 2
-//
-//
-// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_one.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_forward_default_def._Mlse
+// CHECK-SAME: () #[[ATTR14:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 0
+// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Msimd
-// CHECK-SAME: () #[[ATTR1]] {
+// CHECK-LABEL: define {{[^@]+}}@fmv._MflagmMfp16fmlMrng
+// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 2
+// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mdgh
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@fmv_one._Mls64Msimd
+// CHECK-SAME: () #[[ATTR4]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 3
+// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp16Msimd
-// CHECK-SAME: () #[[ATTR1]] {
+// CHECK-LABEL: define {{[^@]+}}@fmv_two._Mfp
+// CHECK-SAME: () #[[ATTR4]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 4
+// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_two.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_decl._Maes
+// CHECK-SAME: () #[[ATTR4]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_e.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_def._Msve
+// CHECK-SAME: () #[[ATTR16:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 20
+// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_c.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_default_def._Mfp16
+// CHECK-SAME: () #[[ATTR10]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret void
+// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
-// CHECK-LABEL: define {{[^@]+}}@fmv_c._Mssbs
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-LABEL: define {{[^@]+}}@unused_without_default
+// CHECK-SAME: () #[[ATTR17:[0-9]+]] {
// CHECK-NEXT: entry:
-// CHECK-NEXT: ret void
+// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mf64mmMpmullMsha1
-// CHECK-SAME: () #[[ATTR12:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR18:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MfcmaMfp16MrdmMsme
-// CHECK-SAME: () #[[ATTR13:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR19:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mf32mmMi8mmMsha3
-// CHECK-SAME: () #[[ATTR14:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR20:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 12
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MditMsve-ebf16
-// CHECK-SAME: () #[[ATTR15:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR21:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 8
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MdpbMrcpc2
-// CHECK-SAME: () #[[ATTR16:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR22:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 6
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mdpb2Mjscvt
-// CHECK-SAME: () #[[ATTR17:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR23:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 7
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MfrinttsMrcpc
-// CHECK-SAME: () #[[ATTR18:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR24:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MsveMsve-bf16
-// CHECK-SAME: () #[[ATTR19:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR25:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 4
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Msve2-aesMsve2-sha3
-// CHECK-SAME: () #[[ATTR20:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR26:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 5
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Msve2Msve2-bitpermMsve2-pmull128
-// CHECK-SAME: () #[[ATTR21:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR27:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 9
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mmemtag2Msve2-sm4
-// CHECK-SAME: () #[[ATTR22:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR28:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 10
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mmemtag3MmopsMrcpc3
-// CHECK-SAME: () #[[ATTR23:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR29:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 11
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MaesMdotprod
-// CHECK-SAME: () #[[ATTR6]] {
+// CHECK-SAME: () #[[ATTR13]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 13
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._Mfp16fmlMsimd
-// CHECK-SAME: () #[[ATTR7]] {
+// CHECK-SAME: () #[[ATTR3]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 14
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MfpMsm4
-// CHECK-SAME: () #[[ATTR24:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR30:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 15
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline._MlseMrdm
-// CHECK-SAME: () #[[ATTR25:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR31:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 16
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_inline.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_d._Msb
-// CHECK-SAME: () #[[ATTR26:[0-9]+]] {
+// CHECK-SAME: () #[[ATTR32:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@fmv_d.default
-// CHECK-SAME: () #[[ATTR2]] {
+// CHECK-SAME: () #[[ATTR9]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 1
//
//
-// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
-// CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv
-// CHECK-NOFMV-SAME: () #[[ATTR0:[0-9]+]] {
-// CHECK-NOFMV-NEXT: entry:
-// CHECK-NOFMV-NEXT: ret i32 0
+// CHECK-LABEL: define {{[^@]+}}@unused_with_default_def.resolver() comdat {
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 1073741824
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1073741824
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @unused_with_default_def._Msve
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @unused_with_default_def.default
//
//
-// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
-// CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_one
-// CHECK-NOFMV-SAME: () #[[ATTR0]] {
-// CHECK-NOFMV-NEXT: entry:
-// CHECK-NOFMV-NEXT: ret i32 0
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_default_def.resolver() comdat {
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 65536
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 65536
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @unused_with_implicit_default_def._Mfp16
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @unused_with_implicit_default_def.default
//
//
-// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
-// CHECK-NOFMV-LABEL: define {{[^@]+}}@fmv_two
-// CHECK-NOFMV-SAME: () #[[ATTR0]] {
-// CHECK-NOFMV-NEXT: entry:
-// CHECK-NOFMV-NEXT: ret i32 0
+// CHECK-LABEL: define {{[^@]+}}@unused_with_implicit_forward_default_def.resolver() comdat {
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 128
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 128
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @unused_with_implicit_forward_default_def._Mlse
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @unused_with_implicit_forward_default_def.default
//
//
// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
// CHECK-NOFMV-LABEL: define {{[^@]+}}@foo
-// CHECK-NOFMV-SAME: () #[[ATTR0]] {
+// CHECK-NOFMV-SAME: () #[[ATTR0:[0-9]+]] {
// CHECK-NOFMV-NEXT: entry:
// CHECK-NOFMV-NEXT: [[CALL:%.*]] = call i32 @fmv()
// CHECK-NOFMV-NEXT: [[CALL1:%.*]] = call i32 @fmv_one()
@@ -815,34 +974,61 @@ int hoo(void) {
// CHECK-NOFMV-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
// CHECK-NOFMV-NEXT: ret i32 [[ADD]]
//
+//
+// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
+// CHECK-NOFMV-LABEL: define {{[^@]+}}@unused_with_default_def
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
+// CHECK-NOFMV-NEXT: entry:
+// CHECK-NOFMV-NEXT: ret i32 1
+//
+//
+// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
+// CHECK-NOFMV-LABEL: define {{[^@]+}}@unused_with_implicit_default_def
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
+// CHECK-NOFMV-NEXT: entry:
+// CHECK-NOFMV-NEXT: ret i32 1
+//
+//
+// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
+// CHECK-NOFMV-LABEL: define {{[^@]+}}@unused_with_implicit_forward_default_def
+// CHECK-NOFMV-SAME: () #[[ATTR0]] {
+// CHECK-NOFMV-NEXT: entry:
+// CHECK-NOFMV-NEXT: ret i32 0
+//
//.
-// CHECK: attributes #[[ATTR0]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+flagm,+fp-armv8,+fp16fml,+fullfp16,+ls64,+neon,+rand" }
-// CHECK: attributes #[[ATTR1]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+neon" }
-// CHECK: attributes #[[ATTR2]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+ls64" }
-// CHECK: attributes #[[ATTR3:[0-9]+]] = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+ls64" }
-// CHECK: attributes #[[ATTR4]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+altnzcv,+bf16,+flagm,+fullfp16,+ls64,+sme,+sme-i16i64" }
-// CHECK: attributes #[[ATTR5]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+lse,+neon,+sha2" }
-// CHECK: attributes #[[ATTR6]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+dotprod,+fp-armv8,+fullfp16,+ls64,+neon" }
-// CHECK: attributes #[[ATTR7]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fp16fml,+fullfp16,+ls64,+neon" }
-// CHECK: attributes #[[ATTR8]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+crc,+fullfp16,+ls64" }
-// CHECK: attributes #[[ATTR9]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bti,+fullfp16,+ls64" }
-// CHECK: attributes #[[ATTR10]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+fullfp16,+ls64,+sme,+sme2" }
-// CHECK: attributes #[[ATTR11]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ccpp,+fullfp16,+ls64" }
-// CHECK: attributes #[[ATTR12]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+aes,+f64mm,+fp-armv8,+fullfp16,+ls64,+neon,+sve" }
-// CHECK: attributes #[[ATTR13]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+complxnum,+fp-armv8,+fullfp16,+ls64,+neon,+rdm,+sme" }
-// CHECK: attributes #[[ATTR14]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+f32mm,+fp-armv8,+fullfp16,+i8mm,+ls64,+neon,+sha2,+sha3,+sve" }
-// CHECK: attributes #[[ATTR15]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+dit,+fp-armv8,+fullfp16,+ls64,+neon,+sve" }
-// CHECK: attributes #[[ATTR16]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ccpp,+fullfp16,+ls64,+rcpc" }
-// CHECK: attributes #[[ATTR17]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ccdp,+ccpp,+fp-armv8,+fullfp16,+jsconv,+ls64,+neon" }
-// CHECK: attributes #[[ATTR18]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fptoint,+fullfp16,+ls64,+rcpc" }
-// CHECK: attributes #[[ATTR19]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+fp-armv8,+fullfp16,+ls64,+neon,+sve" }
-// CHECK: attributes #[[ATTR20]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+neon,+sve,+sve2,+sve2-aes,+sve2-sha3" }
-// CHECK: attributes #[[ATTR21]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+neon,+sve,+sve2,+sve2-aes,+sve2-bitperm" }
-// CHECK: attributes #[[ATTR22]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+mte,+neon,+sve,+sve2,+sve2-sm4" }
-// CHECK: attributes #[[ATTR23]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+ls64,+mops,+mte,+rcpc,+rcpc3" }
-// CHECK: attributes #[[ATTR24]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+neon,+sm4" }
-// CHECK: attributes #[[ATTR25]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+ls64,+lse,+neon,+rdm" }
-// CHECK: attributes #[[ATTR26]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+ls64,+sb" }
+// CHECK: attributes #[[ATTR0]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+altnzcv,+bf16,+flagm,+sme,+sme-i16i64,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR1]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+lse,+neon,+sha2,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR2]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+dotprod,+ls64,+neon,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR3]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp16fml,+fullfp16,+neon,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR4]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+neon,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR5]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+crc,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR6]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bti,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR7]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+sme,+sme2,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR8]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ccpp,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR9]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR10]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+neon,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR11:[0-9]+]] = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR12]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+mops,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR13]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+dotprod,+neon,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR14]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+lse,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR15]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+flagm,+fp16fml,+fullfp16,+neon,+rand,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR16]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+neon,+sve,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR17]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+neon,+rdm,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR18]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+aes,+f64mm,+fullfp16,+neon,+sve,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR19]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+complxnum,+fullfp16,+neon,+rdm,+sme,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR20]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+f32mm,+fullfp16,+i8mm,+neon,+sha2,+sha3,+sve,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR21]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+dit,+fullfp16,+neon,+sve,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR22]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ccpp,+rcpc,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR23]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ccdp,+ccpp,+jsconv,+neon,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR24]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fptoint,+rcpc,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR25]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+fullfp16,+neon,+sve,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR26]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+neon,+sve,+sve2,+sve2-aes,+sve2-sha3,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR27]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+neon,+sve,+sve2,+sve2-aes,+sve2-bitperm,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR28]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fullfp16,+mte,+neon,+sve,+sve2,+sve2-sm4,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR29]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+mops,+mte,+rcpc,+rcpc3,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR30]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+neon,+sm4,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR31]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+lse,+neon,+rdm,-fp-armv8,-v9.5a" }
+// CHECK: attributes #[[ATTR32]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+sb,-fp-armv8,-v9.5a" }
//.
// CHECK-NOFMV: attributes #[[ATTR0]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="-fmv" }
// CHECK-NOFMV: attributes #[[ATTR1:[0-9]+]] = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="-fmv" }
diff --git a/clang/test/CodeGenCXX/attr-target-version.cpp b/clang/test/CodeGenCXX/attr-target-version.cpp
index 82a928a385e16b..e06121d1a719fb 100644
--- a/clang/test/CodeGenCXX/attr-target-version.cpp
+++ b/clang/test/CodeGenCXX/attr-target-version.cpp
@@ -10,41 +10,196 @@ struct MyClass {
int __attribute__((target_version("dotprod"))) goo(int);
int __attribute__((target_version("crc"))) goo(int);
int __attribute__((target_version("default"))) goo(int);
+
+ // This should generate one target version but no resolver.
+ int __attribute__((target_version("default"))) unused_with_forward_default_decl(void);
+ int __attribute__((target_version("mops"))) unused_with_forward_default_decl(void);
+
+ // This should also generate one target version but no resolver.
+ int unused_with_implicit_forward_default_decl(void);
+ int __attribute__((target_version("dotprod"))) unused_with_implicit_forward_default_decl(void);
+
+ // This should also generate one target version but no resolver.
+ int __attribute__((target_version("aes"))) unused_with_default_decl(void);
+ int __attribute__((target_version("default"))) unused_with_default_decl(void);
+
+ // This should generate two target versions and the resolver.
+ int __attribute__((target_version("sve"))) unused_with_default_def(void);
+ int __attribute__((target_version("default"))) unused_with_default_def(void);
+
+ // This should also generate two target versions and the resolver.
+ int __attribute__((target_version("fp16"))) unused_with_implicit_default_def(void);
+ int unused_with_implicit_default_def(void);
+
+ // This should also generate two target versions and the resolver.
+ int unused_with_implicit_forward_default_def(void);
+ int __attribute__((target_version("lse"))) unused_with_implicit_forward_default_def(void);
+
+ // This should generate a normal function.
+ int __attribute__((target_version("rdm"))) unused_without_default(void);
};
int __attribute__((target_version("default"))) MyClass::goo(int) { return 1; }
int __attribute__((target_version("crc"))) MyClass::goo(int) { return 2; }
int __attribute__((target_version("dotprod"))) MyClass::goo(int) { return 3; }
+int __attribute__((target_version("mops"))) MyClass::unused_with_forward_default_decl(void) { return 0; }
+int __attribute__((target_version("dotprod"))) MyClass::unused_with_implicit_forward_default_decl(void) { return 0; }
+int __attribute__((target_version("aes"))) MyClass::unused_with_default_decl(void) { return 0; }
+int __attribute__((target_version("sve"))) MyClass::unused_with_default_def(void) { return 0; }
+int __attribute__((target_version("default"))) MyClass::unused_with_default_def(void) { return 1; }
+int __attribute__((target_version("fp16"))) MyClass::unused_with_implicit_default_def(void) { return 0; }
+int MyClass::unused_with_implicit_default_def(void) { return 1; }
+int MyClass::unused_with_implicit_forward_default_def(void) { return 0; }
+int __attribute__((target_version("lse"))) MyClass::unused_with_implicit_forward_default_def(void) { return 1; }
+int __attribute__((target_version("rdm"))) MyClass::unused_without_default(void) { return 0; }
+
int bar() {
MyClass m;
return m.goo(1) + foo(1) + foo();
}
-
-
//.
// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }
-// CHECK: @_ZN7MyClass3gooEi.ifunc = weak_odr alias i32 (ptr, i32), ptr @_ZN7MyClass3gooEi
// CHECK: @_Z3fooi.ifunc = weak_odr alias i32 (i32), ptr @_Z3fooi
// CHECK: @_Z3foov.ifunc = weak_odr alias i32 (), ptr @_Z3foov
+// CHECK: @_ZN7MyClass3gooEi.ifunc = weak_odr alias i32 (ptr, i32), ptr @_ZN7MyClass3gooEi
+// CHECK: @_ZN7MyClass23unused_with_default_defEv.ifunc = weak_odr alias i32 (ptr), ptr @_ZN7MyClass23unused_with_default_defEv
+// CHECK: @_ZN7MyClass32unused_with_implicit_default_defEv.ifunc = weak_odr alias i32 (ptr), ptr @_ZN7MyClass32unused_with_implicit_default_defEv
+// CHECK: @_ZN7MyClass40unused_with_implicit_forward_default_defEv.ifunc = weak_odr alias i32 (ptr), ptr @_ZN7MyClass40unused_with_implicit_forward_default_defEv
// CHECK: @_ZN7MyClass3gooEi = weak_odr ifunc i32 (ptr, i32), ptr @_ZN7MyClass3gooEi.resolver
// CHECK: @_Z3fooi = weak_odr ifunc i32 (i32), ptr @_Z3fooi.resolver
// CHECK: @_Z3foov = weak_odr ifunc i32 (), ptr @_Z3foov.resolver
+// CHECK: @_ZN7MyClass23unused_with_default_defEv = weak_odr ifunc i32 (ptr), ptr @_ZN7MyClass23unused_with_default_defEv.resolver
+// CHECK: @_ZN7MyClass32unused_with_implicit_default_defEv = weak_odr ifunc i32 (ptr), ptr @_ZN7MyClass32unused_with_implicit_default_defEv.resolver
+// CHECK: @_ZN7MyClass40unused_with_implicit_forward_default_defEv = weak_odr ifunc i32 (ptr), ptr @_ZN7MyClass40unused_with_implicit_forward_default_defEv.resolver
//.
-// CHECK-LABEL: @_Z3fooi._Mbf16Msme-f64f64(
+// CHECK-LABEL: @_Z3fooi.default(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
+// CHECK-NEXT: ret i32 2
+//
+//
+// CHECK-LABEL: @_Z3foov.default(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret i32 4
+//
+//
+// CHECK-LABEL: @_ZN7MyClass3gooEi.default(
// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
// CHECK-NEXT: ret i32 1
//
//
-// CHECK-LABEL: @_Z3foov._Mebf16Msm4(
+// CHECK-LABEL: @_ZN7MyClass3gooEi._Mcrc(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 2
+//
+//
+// CHECK-LABEL: @_ZN7MyClass3gooEi._Mdotprod(
// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
// CHECK-NEXT: ret i32 3
//
//
+// CHECK-LABEL: @_ZN7MyClass32unused_with_forward_default_declEv._Mmops(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 0
+//
+//
+// CHECK-LABEL: @_ZN7MyClass41unused_with_implicit_forward_default_declEv._Mdotprod(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 0
+//
+//
+// CHECK-LABEL: @_ZN7MyClass24unused_with_default_declEv._Maes(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 0
+//
+//
+// CHECK-LABEL: @_ZN7MyClass23unused_with_default_defEv._Msve(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 0
+//
+//
+// CHECK-LABEL: @_ZN7MyClass23unused_with_default_defEv.default(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 1
+//
+//
+// CHECK-LABEL: @_ZN7MyClass32unused_with_implicit_default_defEv._Mfp16(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 0
+//
+//
+// CHECK-LABEL: @_ZN7MyClass32unused_with_implicit_default_defEv.default(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 1
+//
+//
+// CHECK-LABEL: @_ZN7MyClass40unused_with_implicit_forward_default_defEv.default(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 0
+//
+//
+// CHECK-LABEL: @_ZN7MyClass40unused_with_implicit_forward_default_defEv._Mlse(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
+// CHECK-NEXT: ret i32 1
+//
+//
+// CHECK-LABEL: @_Z3barv(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[M:%.*]] = alloca [[STRUCT_MYCLASS:%.*]], align 1
+// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_ZN7MyClass3gooEi(ptr noundef nonnull align 1 dereferenceable(1) [[M]], i32 noundef 1)
+// CHECK-NEXT: [[CALL1:%.*]] = call noundef i32 @_Z3fooi(i32 noundef 1)
+// CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
+// CHECK-NEXT: [[CALL2:%.*]] = call noundef i32 @_Z3foov()
+// CHECK-NEXT: [[ADD3:%.*]] = add nsw i32 [[ADD]], [[CALL2]]
+// CHECK-NEXT: ret i32 [[ADD3]]
+//
+//
// CHECK-LABEL: @_ZN7MyClass3gooEi.resolver(
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
@@ -67,17 +222,6 @@ int bar() {
// CHECK-NEXT: ret ptr @_ZN7MyClass3gooEi.default
//
//
-// CHECK-LABEL: @_Z3barv(
-// CHECK-NEXT: entry:
-// CHECK-NEXT: [[M:%.*]] = alloca [[STRUCT_MYCLASS:%.*]], align 1
-// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_ZN7MyClass3gooEi(ptr noundef nonnull align 1 dereferenceable(1) [[M]], i32 noundef 1)
-// CHECK-NEXT: [[CALL1:%.*]] = call noundef i32 @_Z3fooi(i32 noundef 1)
-// CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], [[CALL1]]
-// CHECK-NEXT: [[CALL2:%.*]] = call noundef i32 @_Z3foov()
-// CHECK-NEXT: [[ADD3:%.*]] = add nsw i32 [[ADD]], [[CALL2]]
-// CHECK-NEXT: ret i32 [[ADD3]]
-//
-//
// CHECK-LABEL: @_Z3fooi.resolver(
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
@@ -106,53 +250,80 @@ int bar() {
// CHECK-NEXT: ret ptr @_Z3foov.default
//
//
-// CHECK-LABEL: @_ZN7MyClass3gooEi._Mdotprod(
+// CHECK-LABEL: @_Z3fooi._Mbf16Msme-f64f64(
// CHECK-NEXT: entry:
-// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
-// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
-// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
-// CHECK-NEXT: ret i32 3
+// CHECK-NEXT: ret i32 1
//
//
-// CHECK-LABEL: @_ZN7MyClass3gooEi._Mcrc(
+// CHECK-LABEL: @_Z3foov._Mebf16Msm4(
// CHECK-NEXT: entry:
-// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
-// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
-// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
-// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
-// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
-// CHECK-NEXT: ret i32 2
+// CHECK-NEXT: ret i32 3
//
//
-// CHECK-LABEL: @_ZN7MyClass3gooEi.default(
+// CHECK-LABEL: @_ZN7MyClass22unused_without_defaultEv(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca ptr, align 8
-// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store ptr [[THIS:%.*]], ptr [[THIS_ADDR]], align 8
-// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
// CHECK-NEXT: [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
-// CHECK-NEXT: ret i32 1
+// CHECK-NEXT: ret i32 0
//
//
-// CHECK-LABEL: @_Z3fooi.default(
-// CHECK-NEXT: entry:
-// CHECK-NEXT: [[DOTADDR:%.*]] = alloca i32, align 4
-// CHECK-NEXT: store i32 [[TMP0:%.*]], ptr [[DOTADDR]], align 4
-// CHECK-NEXT: ret i32 2
+// CHECK-LABEL: @_ZN7MyClass23unused_with_default_defEv.resolver(
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 1073741824
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1073741824
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @_ZN7MyClass23unused_with_default_defEv._Msve
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @_ZN7MyClass23unused_with_default_defEv.default
//
//
-// CHECK-LABEL: @_Z3foov.default(
-// CHECK-NEXT: entry:
-// CHECK-NEXT: ret i32 4
+// CHECK-LABEL: @_ZN7MyClass32unused_with_implicit_default_defEv.resolver(
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 65536
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 65536
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @_ZN7MyClass32unused_with_implicit_default_defEv._Mfp16
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @_ZN7MyClass32unused_with_implicit_default_defEv.default
+//
+//
+// CHECK-LABEL: @_ZN7MyClass40unused_with_implicit_forward_default_defEv.resolver(
+// CHECK-NEXT: resolver_entry:
+// CHECK-NEXT: call void @__init_cpu_features_resolver()
+// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
+// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 128
+// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 128
+// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
+// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
+// CHECK: resolver_return:
+// CHECK-NEXT: ret ptr @_ZN7MyClass40unused_with_implicit_forward_default_defEv._Mlse
+// CHECK: resolver_else:
+// CHECK-NEXT: ret ptr @_ZN7MyClass40unused_with_implicit_forward_default_defEv.default
//
//.
-// CHECK: attributes #[[ATTR0:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+sme,+sme-f64f64" }
-// CHECK: attributes #[[ATTR1:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+fp-armv8,+neon,+sm4" }
-// CHECK: attributes #[[ATTR2:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
-// CHECK: attributes #[[ATTR3:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+dotprod,+fp-armv8,+neon" }
-// CHECK: attributes #[[ATTR4:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+crc" }
+// CHECK: attributes #[[ATTR0:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
+// CHECK: attributes #[[ATTR1:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+crc" }
+// CHECK: attributes #[[ATTR2:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+dotprod,+fp-armv8,+neon" }
+// CHECK: attributes #[[ATTR3:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+mops" }
+// CHECK: attributes #[[ATTR4:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+neon" }
+// CHECK: attributes #[[ATTR5:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+neon,+sve" }
+// CHECK: attributes #[[ATTR6:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+fullfp16,+neon" }
+// CHECK: attributes #[[ATTR7:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+lse" }
+// CHECK: attributes #[[ATTR8:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+sme,+sme-f64f64" }
+// CHECK: attributes #[[ATTR9:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+bf16,+fp-armv8,+neon,+sm4" }
+// CHECK: attributes #[[ATTR10:[0-9]+]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+fp-armv8,+neon,+rdm" }
+// CHECK: attributes #[[ATTR11:[0-9]+]] = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
//.
// CHECK: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
// CHECK: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
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