290 lines · cpp
1// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir -mmlir --mlir-print-ir-before=cir-lowering-prepare %s -o %t.cir 2> %t-before.cir2// RUN: FileCheck --input-file=%t-before.cir %s --check-prefix=CIR-BEFORE-LPP3// RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR4// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll5// RUN: FileCheck --input-file=%t-cir.ll %s --check-prefix=LLVM6// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll7// RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG8 9// Declarations that appear before global-specific definitions10 11// CIR: module @{{.*}} attributes {12// CIR-SAME: cir.global_ctors = [#cir.global_ctor<"_GLOBAL__sub_I_[[FILENAME:.*]]", 65535>]13 14// LLVM: @__dso_handle = external hidden global i815// LLVM: @needsCtor = global %struct.NeedsCtor zeroinitializer, align 116// LLVM: @needsDtor = global %struct.NeedsDtor zeroinitializer, align 117// LLVM: @needsCtorDtor = global %struct.NeedsCtorDtor zeroinitializer, align 118// LLVM: @arrDtor = global [16 x %struct.ArrayDtor] zeroinitializer, align 1619// LLVM: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_[[FILENAME:.*]], ptr null }]20 21// OGCG: @needsCtor = global %struct.NeedsCtor zeroinitializer, align 122// OGCG: @needsDtor = global %struct.NeedsDtor zeroinitializer, align 123// OGCG: @__dso_handle = external hidden global i824// OGCG: @needsCtorDtor = global %struct.NeedsCtorDtor zeroinitializer, align 125// OGCG: @arrDtor = global [16 x %struct.ArrayDtor] zeroinitializer, align 1626// OGCG: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_[[FILENAME:.*]], ptr null }]27 28struct NeedsCtor {29 NeedsCtor();30};31 32NeedsCtor needsCtor;33 34// CIR-BEFORE-LPP: cir.global external @needsCtor = ctor : !rec_NeedsCtor {35// CIR-BEFORE-LPP: %[[THIS:.*]] = cir.get_global @needsCtor : !cir.ptr<!rec_NeedsCtor>36// CIR-BEFORE-LPP: cir.call @_ZN9NeedsCtorC1Ev(%[[THIS]]) : (!cir.ptr<!rec_NeedsCtor>) -> ()37 38// CIR: cir.global external @needsCtor = #cir.zero : !rec_NeedsCtor39// CIR: cir.func internal private @__cxx_global_var_init() {40// CIR: %0 = cir.get_global @needsCtor : !cir.ptr<!rec_NeedsCtor>41// CIR: cir.call @_ZN9NeedsCtorC1Ev(%0) : (!cir.ptr<!rec_NeedsCtor>) -> ()42 43// LLVM: define internal void @__cxx_global_var_init()44// LLVM: call void @_ZN9NeedsCtorC1Ev(ptr @needsCtor)45 46// OGCG: define internal void @__cxx_global_var_init() {{.*}} section ".text.startup" {47// OGCG: call void @_ZN9NeedsCtorC1Ev(ptr noundef nonnull align 1 dereferenceable(1) @needsCtor)48 49 50struct NeedsDtor {51 ~NeedsDtor();52};53 54NeedsDtor needsDtor;55 56// CIR-BEFORE-LPP: cir.global external @needsDtor = #cir.zero : !rec_NeedsDtor dtor {57// CIR-BEFORE-LPP: %[[THIS:.*]] = cir.get_global @needsDtor : !cir.ptr<!rec_NeedsDtor>58// CIR-BEFORE-LPP: cir.call @_ZN9NeedsDtorD1Ev(%[[THIS]]) : (!cir.ptr<!rec_NeedsDtor>) -> ()59 60// CIR: cir.global external @needsDtor = #cir.zero : !rec_NeedsDtor61// CIR: cir.func internal private @__cxx_global_var_init.1() {62// CIR: %[[OBJ:.*]] = cir.get_global @needsDtor : !cir.ptr<!rec_NeedsDtor>63// CIR: %[[DTOR:.*]] = cir.get_global @_ZN9NeedsDtorD1Ev : !cir.ptr<!cir.func<(!cir.ptr<!rec_NeedsDtor>)>>64// CIR: %[[DTOR_CAST:.*]] = cir.cast bitcast %[[DTOR]] : !cir.ptr<!cir.func<(!cir.ptr<!rec_NeedsDtor>)>> -> !cir.ptr<!cir.func<(!cir.ptr<!void>)>>65// CIR: %[[OBJ_CAST:.*]] = cir.cast bitcast %[[OBJ]] : !cir.ptr<!rec_NeedsDtor> -> !cir.ptr<!void>66// CIR: %[[HANDLE:.*]] = cir.get_global @__dso_handle : !cir.ptr<i8>67// CIR: cir.call @__cxa_atexit(%[[DTOR_CAST]], %[[OBJ_CAST]], %[[HANDLE]]) : (!cir.ptr<!cir.func<(!cir.ptr<!void>)>>, !cir.ptr<!void>, !cir.ptr<i8>) -> ()68 69// LLVM: define internal void @__cxx_global_var_init.1() {70// LLVM: call void @__cxa_atexit(ptr @_ZN9NeedsDtorD1Ev, ptr @needsDtor, ptr @__dso_handle)71 72// OGCG: define internal void @__cxx_global_var_init.1() {{.*}} section ".text.startup" {73// OGCG: %{{.*}} = call i32 @__cxa_atexit(ptr @_ZN9NeedsDtorD1Ev, ptr @needsDtor, ptr @__dso_handle)74 75struct NeedsCtorDtor {76 NeedsCtorDtor();77 ~NeedsCtorDtor();78};79 80NeedsCtorDtor needsCtorDtor;81 82// CIR-BEFORE-LPP: cir.global external @needsCtorDtor = ctor : !rec_NeedsCtorDtor {83// CIR-BEFORE-LPP: %[[THIS:.*]] = cir.get_global @needsCtorDtor : !cir.ptr<!rec_NeedsCtorDtor>84// CIR-BEFORE-LPP: cir.call @_ZN13NeedsCtorDtorC1Ev(%[[THIS]]) : (!cir.ptr<!rec_NeedsCtorDtor>) -> ()85// CIR-BEFORE-LPP: } dtor {86// CIR-BEFORE-LPP: %[[THIS:.*]] = cir.get_global @needsCtorDtor : !cir.ptr<!rec_NeedsCtorDtor>87// CIR-BEFORE-LPP: cir.call @_ZN13NeedsCtorDtorD1Ev(%[[THIS]]) : (!cir.ptr<!rec_NeedsCtorDtor>) -> ()88 89// CIR: cir.global external @needsCtorDtor = #cir.zero : !rec_NeedsCtorDtor90// CIR: cir.func internal private @__cxx_global_var_init.2() {91// CIR: %[[OBJ:.*]] = cir.get_global @needsCtorDtor : !cir.ptr<!rec_NeedsCtorDtor>92// CIR: cir.call @_ZN13NeedsCtorDtorC1Ev(%[[OBJ]]) : (!cir.ptr<!rec_NeedsCtorDtor>) -> ()93// CIR: %[[OBJ:.*]] = cir.get_global @needsCtorDtor : !cir.ptr<!rec_NeedsCtorDtor>94// CIR: %[[DTOR:.*]] = cir.get_global @_ZN13NeedsCtorDtorD1Ev : !cir.ptr<!cir.func<(!cir.ptr<!rec_NeedsCtorDtor>)>>95// CIR: %[[DTOR_CAST:.*]] = cir.cast bitcast %[[DTOR]] : !cir.ptr<!cir.func<(!cir.ptr<!rec_NeedsCtorDtor>)>> -> !cir.ptr<!cir.func<(!cir.ptr<!void>)>>96// CIR: %[[OBJ_CAST:.*]] = cir.cast bitcast %[[OBJ]] : !cir.ptr<!rec_NeedsCtorDtor> -> !cir.ptr<!void>97// CIR: %[[HANDLE:.*]] = cir.get_global @__dso_handle : !cir.ptr<i8>98// CIR: cir.call @__cxa_atexit(%[[DTOR_CAST]], %[[OBJ_CAST]], %[[HANDLE]]) : (!cir.ptr<!cir.func<(!cir.ptr<!void>)>>, !cir.ptr<!void>, !cir.ptr<i8>) -> ()99 100// LLVM: define internal void @__cxx_global_var_init.2() {101// LLVM: call void @_ZN13NeedsCtorDtorC1Ev(ptr @needsCtorDtor)102// LLVM: call void @__cxa_atexit(ptr @_ZN13NeedsCtorDtorD1Ev, ptr @needsCtorDtor, ptr @__dso_handle)103 104// OGCG: define internal void @__cxx_global_var_init.2() {{.*}} section ".text.startup" {105// OGCG: call void @_ZN13NeedsCtorDtorC1Ev(ptr noundef nonnull align 1 dereferenceable(1) @needsCtorDtor)106// OGCG: %{{.*}} = call i32 @__cxa_atexit(ptr @_ZN13NeedsCtorDtorD1Ev, ptr @needsCtorDtor, ptr @__dso_handle)107 108float num;109float _Complex a = {num, num};110 111// CIR-BEFORE-LPP: cir.global external @num = #cir.fp<0.000000e+00> : !cir.float112// CIR-BEFORE-LPP: cir.global external @a = ctor : !cir.complex<!cir.float> {113// CIR-BEFORE-LPP: %[[THIS:.*]] = cir.get_global @a : !cir.ptr<!cir.complex<!cir.float>>114// CIR-BEFORE-LPP: %[[NUM:.*]] = cir.get_global @num : !cir.ptr<!cir.float>115// CIR-BEFORE-LPP: %[[REAL:.*]] = cir.load{{.*}} %[[NUM]] : !cir.ptr<!cir.float>, !cir.float116// CIR-BEFORE-LPP: %[[NUM:.*]] = cir.get_global @num : !cir.ptr<!cir.float>117// CIR-BEFORE-LPP: %[[IMAG:.*]] = cir.load{{.*}} %[[NUM]] : !cir.ptr<!cir.float>, !cir.float118// CIR-BEFORE-LPP: %[[COMPLEX_VAL:.*]] = cir.complex.create %[[REAL]], %[[IMAG]] : !cir.float -> !cir.complex<!cir.float>119// CIR-BEFORE-LPP: cir.store{{.*}} %[[COMPLEX_VAL:.*]], %[[THIS]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>120// CIR-BEFORE-LPP: }121 122// CIR: cir.global external @num = #cir.fp<0.000000e+00> : !cir.float123// CIR: cir.global external @a = #cir.zero : !cir.complex<!cir.float>124// CIR: cir.func internal private @__cxx_global_var_init.3()125// CIR: %[[A_ADDR:.*]] = cir.get_global @a : !cir.ptr<!cir.complex<!cir.float>>126// CIR: %[[NUM:.*]] = cir.get_global @num : !cir.ptr<!cir.float>127// CIR: %[[REAL:.*]] = cir.load{{.*}} %[[NUM]] : !cir.ptr<!cir.float>, !cir.float128// CIR: %[[NUM:.*]] = cir.get_global @num : !cir.ptr<!cir.float>129// CIR: %[[IMAG:.*]] = cir.load{{.*}} %[[NUM]] : !cir.ptr<!cir.float>, !cir.float130// CIR: %[[COMPLEX_VAL:.*]] = cir.complex.create %[[REAL]], %[[IMAG]] : !cir.float -> !cir.complex<!cir.float>131// CIR: cir.store{{.*}} %[[COMPLEX_VAL]], %[[A_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>132 133// LLVM: define internal void @__cxx_global_var_init.3()134// LLVM: %[[REAL:.*]] = load float, ptr @num, align 4135// LLVM: %[[IMAG:.*]] = load float, ptr @num, align 4136// LLVM: %[[TMP_COMPLEX_VAL:.*]] = insertvalue { float, float } {{.*}}, float %[[REAL]], 0137// LLVM: %[[COMPLEX_VAL:.*]] = insertvalue { float, float } %[[TMP_COMPLEX_VAL]], float %[[IMAG]], 1138// LLVM: store { float, float } %[[COMPLEX_VAL]], ptr @a, align 4139 140// OGCG: define internal void @__cxx_global_var_init.3() {{.*}} section ".text.startup"141// OGCG: %[[REAL:.*]] = load float, ptr @num, align 4142// OGCG: %[[IMAG:.*]] = load float, ptr @num, align 4143// OGCG: store float %[[REAL]], ptr @a, align 4144// OGCG: store float %[[IMAG]], ptr getelementptr inbounds nuw ({ float, float }, ptr @a, i32 0, i32 1), align 4145 146float fp;147int i = (int)fp;148 149// CIR-BEFORE-LPP: cir.global external @i = ctor : !s32i {150// CIR-BEFORE-LPP: %[[I:.*]] = cir.get_global @i : !cir.ptr<!s32i>151// CIR-BEFORE-LPP: %[[FP:.*]] = cir.get_global @fp : !cir.ptr<!cir.float>152// CIR-BEFORE-LPP: %[[FP_VAL:.*]] = cir.load{{.*}} %[[FP]] : !cir.ptr<!cir.float>, !cir.float153// CIR-BEFORE-LPP: %[[FP_I32:.*]] = cir.cast float_to_int %[[FP_VAL]] : !cir.float -> !s32i154// CIR-BEFORE-LPP: cir.store{{.*}} %[[FP_I32]], %[[I]] : !s32i, !cir.ptr<!s32i>155// CIR-BEFORE-LPP: }156 157// CIR: cir.func internal private @__cxx_global_var_init.4()158// CIR: %[[I_ADDR:.*]] = cir.get_global @i : !cir.ptr<!s32i>159// CIR: %[[FP_ADDR:.*]] = cir.get_global @fp : !cir.ptr<!cir.float>160// CIR: %[[TMP_FP:.*]] = cir.load{{.*}} %[[FP_ADDR]] : !cir.ptr<!cir.float>, !cir.float161// CIR: %[[FP_I32:.*]] = cir.cast float_to_int %[[TMP_FP]] : !cir.float -> !s32i162// CIR: cir.store{{.*}} %[[FP_I32]], %[[I_ADDR]] : !s32i, !cir.ptr<!s32i>163 164// LLVM: define internal void @__cxx_global_var_init.4()165// LLVM: %[[TMP_FP:.*]] = load float, ptr @fp, align 4166// LLVM: %[[FP_I32:.*]] = fptosi float %[[TMP_FP]] to i32167// LLVM: store i32 %[[FP_I32]], ptr @i, align 4168 169// OGCG: define internal void @__cxx_global_var_init.4() {{.*}} section ".text.startup"170// OGCG: %[[TMP_FP:.*]] = load float, ptr @fp, align 4171// OGCG: %[[FP_I32:.*]] = fptosi float %[[TMP_FP]] to i32172// OGCG: store i32 %[[FP_I32]], ptr @i, align 4173 174struct ArrayDtor {175 ~ArrayDtor();176};177 178ArrayDtor arrDtor[16];179 180// CIR-BEFORE-LPP: cir.global external @arrDtor = #cir.zero : !cir.array<!rec_ArrayDtor x 16>181// CIR-BEFORE-LPP-SAME: dtor {182// CIR-BEFORE-LPP: %[[THIS:.*]] = cir.get_global @arrDtor : !cir.ptr<!cir.array<!rec_ArrayDtor x 16>>183// CIR-BEFORE-LPP: cir.array.dtor %[[THIS]] : !cir.ptr<!cir.array<!rec_ArrayDtor x 16>> {184// CIR-BEFORE-LPP: ^bb0(%[[ELEM:.*]]: !cir.ptr<!rec_ArrayDtor>):185// CIR-BEFORE-LPP: cir.call @_ZN9ArrayDtorD1Ev(%[[ELEM]]) nothrow : (!cir.ptr<!rec_ArrayDtor>) -> ()186// CIR-BEFORE-LPP: cir.yield187// CIR-BEFORE-LPP: }188// CIR-BEFORE-LPP: }189 190// CIR: cir.global external @arrDtor = #cir.zero : !cir.array<!rec_ArrayDtor x 16> {alignment = 16 : i64}191// CIR: cir.func internal private @__cxx_global_array_dtor(%[[ARR_ARG:.*]]: !cir.ptr<!void> {{.*}}) {192// CIR: %[[CONST15:.*]] = cir.const #cir.int<15> : !u64i193// CIR: %[[BEGIN:.*]] = cir.cast array_to_ptrdecay %[[ARR_ARG]] : !cir.ptr<!void> -> !cir.ptr<!rec_ArrayDtor>194// CIR: %[[END:.*]] = cir.ptr_stride %[[BEGIN]], %[[CONST15]] : (!cir.ptr<!rec_ArrayDtor>, !u64i) -> !cir.ptr<!rec_ArrayDtor>195// CIR: %[[CUR_ADDR:.*]] = cir.alloca !cir.ptr<!rec_ArrayDtor>, !cir.ptr<!cir.ptr<!rec_ArrayDtor>>, ["__array_idx"]196// CIR: cir.store %[[END]], %[[CUR_ADDR]] : !cir.ptr<!rec_ArrayDtor>, !cir.ptr<!cir.ptr<!rec_ArrayDtor>>197// CIR: cir.do {198// CIR: %[[CUR:.*]] = cir.load %[[CUR_ADDR]] : !cir.ptr<!cir.ptr<!rec_ArrayDtor>>, !cir.ptr<!rec_ArrayDtor>199// CIR: cir.call @_ZN9ArrayDtorD1Ev(%[[CUR]]) nothrow : (!cir.ptr<!rec_ArrayDtor>) -> ()200// CIR: %[[NEG_ONE:.*]] = cir.const #cir.int<-1> : !s64i201// CIR: %[[NEXT:.*]] = cir.ptr_stride %[[CUR]], %[[NEG_ONE]] : (!cir.ptr<!rec_ArrayDtor>, !s64i) -> !cir.ptr<!rec_ArrayDtor>202// CIR: cir.store %[[NEXT]], %[[CUR_ADDR]] : !cir.ptr<!rec_ArrayDtor>, !cir.ptr<!cir.ptr<!rec_ArrayDtor>>203// CIR: cir.yield204// CIR: } while {205// CIR: %[[CUR:.*]] = cir.load %[[CUR_ADDR]] : !cir.ptr<!cir.ptr<!rec_ArrayDtor>>, !cir.ptr<!rec_ArrayDtor>206// CIR: %[[CMP:.*]] = cir.cmp(ne, %[[CUR]], %[[BEGIN]]) : !cir.ptr<!rec_ArrayDtor>, !cir.bool207// CIR: cir.condition(%[[CMP]])208// CIR: }209// CIR: cir.return210// CIR: }211//212// CIR: cir.func internal private @__cxx_global_var_init.5() {213// CIR: %[[ARR:.*]] = cir.get_global @arrDtor : !cir.ptr<!cir.array<!rec_ArrayDtor x 16>>214// CIR: %[[DTOR:.*]] = cir.get_global @__cxx_global_array_dtor : !cir.ptr<!cir.func<(!cir.ptr<!void>)>>215// CIR: %[[DTOR_CAST:.*]] = cir.cast bitcast %[[DTOR]] : !cir.ptr<!cir.func<(!cir.ptr<!void>)>> -> !cir.ptr<!cir.func<(!cir.ptr<!void>)>>216// CIR: %[[ARR_CAST:.*]] = cir.cast bitcast %[[ARR]] : !cir.ptr<!cir.array<!rec_ArrayDtor x 16>> -> !cir.ptr<!void>217// CIR: %[[HANDLE:.*]] = cir.get_global @__dso_handle : !cir.ptr<i8>218// CIR: cir.call @__cxa_atexit(%[[DTOR_CAST]], %[[ARR_CAST]], %[[HANDLE]]) : (!cir.ptr<!cir.func<(!cir.ptr<!void>)>>, !cir.ptr<!void>, !cir.ptr<i8>) -> ()219 220// LLVM: define internal void @__cxx_global_array_dtor(ptr %[[ARR_ARG:.*]]) {221// LLVM: %[[BEGIN:.*]] = getelementptr %struct.ArrayDtor, ptr %[[ARR_ARG]], i32 0222// LLVM: %[[END:.*]] = getelementptr %struct.ArrayDtor, ptr %[[BEGIN]], i64 15223// LLVM: %[[CUR_ADDR:.*]] = alloca ptr224// LLVM: store ptr %[[END]], ptr %[[CUR_ADDR]]225// LLVM: br label %[[LOOP_BODY:.*]]226// LLVM: [[LOOP_COND:.*]]:227// LLVM: %[[CUR:.*]] = load ptr, ptr %[[CUR_ADDR]]228// LLVM: %[[CMP:.*]] = icmp ne ptr %[[CUR]], %[[BEGIN]]229// LLVM: br i1 %[[CMP]], label %[[LOOP_BODY]], label %[[LOOP_END:.*]]230// LLVM: [[LOOP_BODY]]:231// LLVM: %[[CUR:.*]] = load ptr, ptr %[[CUR_ADDR]]232// LLVM: call void @_ZN9ArrayDtorD1Ev(ptr %[[CUR]]) #0233// LLVM: %[[PREV:.*]] = getelementptr %struct.ArrayDtor, ptr %[[CUR]], i64 -1234// LLVM: store ptr %[[PREV]], ptr %[[CUR_ADDR]]235// LLVM: br label %[[LOOP_COND]]236// LLVM: [[LOOP_END]]:237// LLVM: ret void238// LLVM: }239//240// LLVM: define internal void @__cxx_global_var_init.5() {241// LLVM: call void @__cxa_atexit(ptr @__cxx_global_array_dtor, ptr @arrDtor, ptr @__dso_handle)242 243// Note: OGCG defines these functions in reverse order of CIR->LLVM.244// Note also: OGCG doesn't pass the address of the array to the destructor function.245// Instead, it uses the global directly in the helper function.246 247// OGCG: define internal void @__cxx_global_var_init.5() {{.*}} section ".text.startup" {248// OGCG: call i32 @__cxa_atexit(ptr @__cxx_global_array_dtor, ptr null, ptr @__dso_handle)249 250// OGCG: define internal void @__cxx_global_array_dtor(ptr noundef %[[ARG:.*]]) {{.*}} section ".text.startup" {251// OGCG: entry:252// OGCG: %[[UNUSED_ADDR:.*]] = alloca ptr253// OGCG: store ptr %[[ARG]], ptr %[[UNUSED_ADDR]]254// OGCG: br label %[[LOOP_BODY:.*]]255// OGCG: [[LOOP_BODY]]:256// OGCG: %[[PREV:.*]] = phi ptr [ getelementptr inbounds (%struct.ArrayDtor, ptr @arrDtor, i64 16), %entry ], [ %[[CUR:.*]], %[[LOOP_BODY]] ]257// OGCG: %[[CUR]] = getelementptr inbounds %struct.ArrayDtor, ptr %[[PREV]], i64 -1258// OGCG: call void @_ZN9ArrayDtorD1Ev(ptr noundef nonnull align 1 dereferenceable(1) %[[CUR]])259// OGCG: %[[DONE:.*]] = icmp eq ptr %[[CUR]], @arrDtor260// OGCG: br i1 %[[DONE]], label %[[LOOP_END:.*]], label %[[LOOP_BODY]]261// OGCG: [[LOOP_END]]:262// OGCG: ret void263// OGCG: }264 265// Common init function for all globals with default priority266 267// CIR: cir.func private @_GLOBAL__sub_I_[[FILENAME:.*]]() {268// CIR: cir.call @__cxx_global_var_init() : () -> ()269// CIR: cir.call @__cxx_global_var_init.1() : () -> ()270// CIR: cir.call @__cxx_global_var_init.2() : () -> ()271// CIR: cir.call @__cxx_global_var_init.3() : () -> ()272// CIR: cir.call @__cxx_global_var_init.4() : () -> ()273// CIR: cir.call @__cxx_global_var_init.5() : () -> ()274 275// LLVM: define void @_GLOBAL__sub_I_[[FILENAME]]()276// LLVM: call void @__cxx_global_var_init()277// LLVM: call void @__cxx_global_var_init.1()278// LLVM: call void @__cxx_global_var_init.2()279// LLVM: call void @__cxx_global_var_init.3()280// LLVM: call void @__cxx_global_var_init.4()281// LLVM: call void @__cxx_global_var_init.5()282 283// OGCG: define internal void @_GLOBAL__sub_I_[[FILENAME]]() {{.*}} section ".text.startup" {284// OGCG: call void @__cxx_global_var_init()285// OGCG: call void @__cxx_global_var_init.1()286// OGCG: call void @__cxx_global_var_init.2()287// OGCG: call void @__cxx_global_var_init.3()288// OGCG: call void @__cxx_global_var_init.4()289// OGCG: call void @__cxx_global_var_init.5()290