llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Alexandros Lamprineas (labrinea) <details> <summary>Changes</summary> …ion. 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. --- Patch is 69.32 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/85923.diff 4 Files Affected: - (modified) clang/lib/CodeGen/CodeGenModule.cpp (+42-13) - (modified) clang/lib/CodeGen/CodeGenModule.h (+5) - (modified) clang/test/CodeGen/attr-target-version.c (+366-180) - (modified) clang/test/CodeGenCXX/attr-target-version.cpp (+216-45) ``````````diff 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:%.*]]... [truncated] `````````` </details> https://github.com/llvm/llvm-project/pull/85923 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
