head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC4:1.1.1.6 netbsd-11-0-RC3:1.1.1.6 netbsd-11-0-RC2:1.1.1.6 netbsd-11-0-RC1:1.1.1.6 perseant-exfatfs-base-20250801:1.1.1.6 netbsd-11:1.1.1.6.0.10 netbsd-11-base:1.1.1.6 netbsd-10-1-RELEASE:1.1.1.6 perseant-exfatfs-base-20240630:1.1.1.6 perseant-exfatfs:1.1.1.6.0.8 perseant-exfatfs-base:1.1.1.6 netbsd-8-3-RELEASE:1.1.1.4 netbsd-9-4-RELEASE:1.1.1.5 netbsd-10-0-RELEASE:1.1.1.6 netbsd-10-0-RC6:1.1.1.6 netbsd-10-0-RC5:1.1.1.6 netbsd-10-0-RC4:1.1.1.6 netbsd-10-0-RC3:1.1.1.6 netbsd-10-0-RC2:1.1.1.6 netbsd-10-0-RC1:1.1.1.6 netbsd-10:1.1.1.6.0.6 netbsd-10-base:1.1.1.6 netbsd-9-3-RELEASE:1.1.1.5 cjep_sun2x:1.1.1.6.0.4 cjep_sun2x-base:1.1.1.6 cjep_staticlib_x-base1:1.1.1.6 netbsd-9-2-RELEASE:1.1.1.5 cjep_staticlib_x:1.1.1.6.0.2 cjep_staticlib_x-base:1.1.1.6 netbsd-9-1-RELEASE:1.1.1.5 phil-wifi-20200421:1.1.1.6 phil-wifi-20200411:1.1.1.6 phil-wifi-20200406:1.1.1.6 netbsd-8-2-RELEASE:1.1.1.4 netbsd-9-0-RELEASE:1.1.1.5 netbsd-9-0-RC2:1.1.1.5 netbsd-9-0-RC1:1.1.1.5 netbsd-9:1.1.1.5.0.6 netbsd-9-base:1.1.1.5 phil-wifi-20190609:1.1.1.5 netbsd-8-1-RELEASE:1.1.1.4 netbsd-8-1-RC1:1.1.1.4 pgoyette-compat-merge-20190127:1.1.1.5 pgoyette-compat-20190127:1.1.1.5 pgoyette-compat-20190118:1.1.1.5 pgoyette-compat-1226:1.1.1.5 pgoyette-compat-1126:1.1.1.5 pgoyette-compat-1020:1.1.1.5 pgoyette-compat-0930:1.1.1.5 pgoyette-compat-0906:1.1.1.5 netbsd-7-2-RELEASE:1.1.1.2 pgoyette-compat-0728:1.1.1.5 clang-337282:1.1.1.5 netbsd-8-0-RELEASE:1.1.1.4 phil-wifi:1.1.1.5.0.4 phil-wifi-base:1.1.1.5 pgoyette-compat-0625:1.1.1.5 netbsd-8-0-RC2:1.1.1.4 pgoyette-compat-0521:1.1.1.5 pgoyette-compat-0502:1.1.1.5 pgoyette-compat-0422:1.1.1.5 netbsd-8-0-RC1:1.1.1.4 pgoyette-compat-0415:1.1.1.5 pgoyette-compat-0407:1.1.1.5 pgoyette-compat-0330:1.1.1.5 pgoyette-compat-0322:1.1.1.5 pgoyette-compat-0315:1.1.1.5 netbsd-7-1-2-RELEASE:1.1.1.2 pgoyette-compat:1.1.1.5.0.2 pgoyette-compat-base:1.1.1.5 netbsd-7-1-1-RELEASE:1.1.1.2 clang-319952:1.1.1.5 matt-nb8-mediatek:1.1.1.4.0.10 matt-nb8-mediatek-base:1.1.1.4 clang-309604:1.1.1.5 perseant-stdc-iso10646:1.1.1.4.0.8 perseant-stdc-iso10646-base:1.1.1.4 netbsd-8:1.1.1.4.0.6 netbsd-8-base:1.1.1.4 prg-localcount2-base3:1.1.1.4 prg-localcount2-base2:1.1.1.4 prg-localcount2-base1:1.1.1.4 prg-localcount2:1.1.1.4.0.4 prg-localcount2-base:1.1.1.4 pgoyette-localcount-20170426:1.1.1.4 bouyer-socketcan-base1:1.1.1.4 pgoyette-localcount-20170320:1.1.1.4 netbsd-7-1:1.1.1.2.0.10 netbsd-7-1-RELEASE:1.1.1.2 netbsd-7-1-RC2:1.1.1.2 clang-294123:1.1.1.4 netbsd-7-nhusb-base-20170116:1.1.1.2 bouyer-socketcan:1.1.1.4.0.2 bouyer-socketcan-base:1.1.1.4 clang-291444:1.1.1.4 pgoyette-localcount-20170107:1.1.1.3 netbsd-7-1-RC1:1.1.1.2 pgoyette-localcount-20161104:1.1.1.3 netbsd-7-0-2-RELEASE:1.1.1.2 localcount-20160914:1.1.1.3 netbsd-7-nhusb:1.1.1.2.0.8 netbsd-7-nhusb-base:1.1.1.2 clang-280599:1.1.1.3 pgoyette-localcount-20160806:1.1.1.3 pgoyette-localcount-20160726:1.1.1.3 pgoyette-localcount:1.1.1.3.0.2 pgoyette-localcount-base:1.1.1.3 netbsd-7-0-1-RELEASE:1.1.1.2 clang-261930:1.1.1.3 netbsd-7-0:1.1.1.2.0.6 netbsd-7-0-RELEASE:1.1.1.2 netbsd-7-0-RC3:1.1.1.2 netbsd-7-0-RC2:1.1.1.2 netbsd-7-0-RC1:1.1.1.2 clang-237755:1.1.1.2 clang-232565:1.1.1.2 clang-227398:1.1.1.2 tls-maxphys-base:1.1.1.2 tls-maxphys:1.1.1.2.0.4 netbsd-7:1.1.1.2.0.2 netbsd-7-base:1.1.1.2 clang-215315:1.1.1.2 clang-209886:1.1.1.2 yamt-pagecache:1.1.1.1.0.4 yamt-pagecache-base9:1.1.1.1 tls-earlyentropy:1.1.1.1.0.2 tls-earlyentropy-base:1.1.1.2 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.1 riastradh-drm2-base3:1.1.1.1 clang-202566:1.1.1.1 clang-201163:1.1.1.1 clang-199312:1.1.1.1 clang-198450:1.1.1.1 clang-196603:1.1.1.1 clang-195771:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2013.11.28.14.14.58; author joerg; state Exp; branches 1.1.1.1; next ; commitid ow8OybrawrB1f3fx; 1.1.1.1 date 2013.11.28.14.14.58; author joerg; state Exp; branches 1.1.1.1.2.1 1.1.1.1.4.1; next 1.1.1.2; commitid ow8OybrawrB1f3fx; 1.1.1.2 date 2014.05.30.18.14.47; author joerg; state Exp; branches 1.1.1.2.4.1; next 1.1.1.3; commitid 8q0kdlBlCn09GACx; 1.1.1.3 date 2016.02.27.22.10.24; author joerg; state Exp; branches 1.1.1.3.2.1; next 1.1.1.4; commitid tIimz3oDlh1NpBWy; 1.1.1.4 date 2017.01.11.10.39.40; author joerg; state Exp; branches; next 1.1.1.5; commitid CNnUNfII1jgNmxBz; 1.1.1.5 date 2017.08.01.19.34.21; author joerg; state Exp; branches 1.1.1.5.4.1; next 1.1.1.6; commitid pMuDy65V0VicSx1A; 1.1.1.6 date 2019.11.13.22.20.14; author joerg; state dead; branches; next ; commitid QD8YATxuNG34YJKB; 1.1.1.1.2.1 date 2014.08.10.07.08.14; author tls; state Exp; branches; next ; commitid t01A1TLTYxkpGMLx; 1.1.1.1.4.1 date 2013.11.28.14.14.58; author yamt; state dead; branches; next 1.1.1.1.4.2; commitid WSrDtL5nYAUyiyBx; 1.1.1.1.4.2 date 2014.05.22.16.18.56; author yamt; state Exp; branches; next ; commitid WSrDtL5nYAUyiyBx; 1.1.1.2.4.1 date 2014.05.30.18.14.47; author tls; state dead; branches; next 1.1.1.2.4.2; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.4.2 date 2014.08.19.23.47.57; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.3.2.1 date 2017.03.20.06.52.59; author pgoyette; state Exp; branches; next ; commitid jjw7cAwgyKq7RfKz; 1.1.1.5.4.1 date 2020.04.13.07.47.28; author martin; state dead; branches; next ; commitid X01YhRUPVUDaec4C; desc @@ 1.1 log @Initial revision @ text @// RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm -fexceptions %s -o - |FileCheck %s // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm %s -o - |FileCheck -check-prefix CHECK-NOEXC %s struct A { A(); ~A(); }; struct B { B(); ~B(); }; struct C { void *field; }; struct D { ~D(); }; // CHECK: @@__dso_handle = external unnamed_addr global i8 // CHECK: @@c = global %struct.C zeroinitializer, align 8 // It's okay if we ever implement the IR-generation optimization to remove this. // CHECK: @@_ZN5test3L3varE = internal constant i8* getelementptr inbounds ([7 x i8]* // PR6205: The casts should not require global initializers // CHECK: @@_ZN6PR59741cE = external global %"struct.PR5974::C" // CHECK: @@_ZN6PR59741aE = global %"struct.PR5974::A"* getelementptr inbounds (%"struct.PR5974::C"* @@_ZN6PR59741cE, i32 0, i32 0) // CHECK: @@_ZN6PR59741bE = global %"struct.PR5974::B"* bitcast (i8* getelementptr (i8* bitcast (%"struct.PR5974::C"* @@_ZN6PR59741cE to i8*), i64 4) to %"struct.PR5974::B"*), align 8 // CHECK: call void @@_ZN1AC1Ev(%struct.A* @@a) // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @@_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @@a, i32 0, i32 0), i8* @@__dso_handle) A a; // CHECK: call void @@_ZN1BC1Ev(%struct.B* @@b) // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.B*)* @@_ZN1BD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.B* @@b, i32 0, i32 0), i8* @@__dso_handle) B b; // PR6205: this should not require a global initializer // CHECK-NOT: call void @@_ZN1CC1Ev(%struct.C* @@c) C c; // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.D*)* @@_ZN1DD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.D* @@d, i32 0, i32 0), i8* @@__dso_handle) D d; // namespace test1 { int f(); const int x = f(); // This has side-effects and gets emitted immediately. const int y = x - 1; // This gets deferred. const int z = ~y; // This also gets deferred, but gets "undeferred" before y. int test() { return z; } // CHECK-LABEL: define i32 @@_ZN5test14testEv() // All of these initializers end up delayed, so we check them later. } // namespace test2 { struct allocator { allocator(); ~allocator(); }; struct A { A(const allocator &a = allocator()); ~A(); }; A a; // CHECK: call void @@_ZN5test29allocatorC1Ev( // CHECK: invoke void @@_ZN5test21AC1ERKNS_9allocatorE( // CHECK: call void @@_ZN5test29allocatorD1Ev( // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test21AD1Ev {{.*}} @@_ZN5test21aE } namespace test3 { // Tested at the beginning of the file. const char * const var = "string"; extern const char * const var; const char *test() { return var; } } namespace test4 { struct A { A(); }; extern int foo(); // This needs an initialization function and guard variables. // CHECK: load i8* bitcast (i64* @@_ZGVN5test41xE // CHECK: [[CALL:%.*]] = call i32 @@_ZN5test43fooEv // CHECK-NEXT: store i32 [[CALL]], i32* @@_ZN5test41xE // CHECK-NEXT: store i64 1, i64* @@_ZGVN5test41xE __attribute__((weak)) int x = foo(); } namespace PR5974 { struct A { int a; }; struct B { int b; }; struct C : A, B { int c; }; extern C c; // These should not require global initializers. A* a = &c; B* b = &c; } // PR9570: the indirect field shouldn't crash IR gen. namespace test5 { static union { unsigned bar[4096] __attribute__((aligned(128))); }; } namespace std { struct type_info; } namespace test6 { struct A { virtual ~A(); }; struct B : A {}; extern A *p; // We must emit a dynamic initializer for 'q', because it could throw. B *const q = &dynamic_cast(*p); // CHECK: call void @@__cxa_bad_cast() // CHECK: store {{.*}} @@_ZN5test6L1qE // We don't need to emit 'r' at all, because it has internal linkage, is // unused, and its initialization has no side-effects. B *const r = dynamic_cast(p); // CHECK-NOT: call void @@__cxa_bad_cast() // CHECK-NOT: store {{.*}} @@_ZN5test6L1rE // This can throw, so we need to emit it. const std::type_info *const s = &typeid(*p); // CHECK: store {{.*}} @@_ZN5test6L1sE // This can't throw, so we don't. const std::type_info *const t = &typeid(p); // CHECK-NOT: @@_ZN5test6L1tE extern B *volatile v; // CHECK: store {{.*}} @@_ZN5test6L1wE B *const w = dynamic_cast(v); // CHECK: load volatile // CHECK: store {{.*}} @@_ZN5test6L1xE const int x = *(volatile int*)0x1234; namespace { int a = int(); volatile int b = int(); int c = a; int d = b; // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1aE // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1bE // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1cE // CHECK: load volatile {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1bE // CHECK: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1dE } } namespace test7 { struct A { A(); }; struct B { ~B(); int n; }; struct C { C() = default; C(const C&); int n; }; struct D {}; // CHECK: call void @@_ZN5test71AC1Ev({{.*}}@@_ZN5test7L1aE) const A a = A(); // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test71BD1Ev{{.*}} @@_ZN5test7L2b1E // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test71BD1Ev{{.*}} @@_ZGRN5test72b2E // CHECK: call void @@_ZN5test71BD1Ev( // CHECK: store {{.*}} @@_ZN5test7L2b3E const B b1 = B(); const B &b2 = B(); const int b3 = B().n; // CHECK-NOT: @@_ZN5test7L2c1E // CHECK: @@_ZN5test7L2c2E // CHECK-NOT: @@_ZN5test7L2c3E // CHECK: @@_ZN5test7L2c4E const C c1 = C(); const C c2 = static_cast(C()); const int c3 = C().n; const int c4 = C(C()).n; // CHECK-NOT: @@_ZN5test7L1dE const D d = D(); // CHECK: store {{.*}} @@_ZN5test71eE int f(), e = f(); } // At the end of the file, we check that y is initialized before z. // CHECK: define internal void [[TEST1_Z_INIT:@@.*]]() // CHECK: load i32* @@_ZN5test1L1yE // CHECK-NEXT: xor // CHECK-NEXT: store i32 {{.*}}, i32* @@_ZN5test1L1zE // CHECK: define internal void [[TEST1_Y_INIT:@@.*]]() // CHECK: load i32* @@_ZN5test1L1xE // CHECK-NEXT: sub // CHECK-NEXT: store i32 {{.*}}, i32* @@_ZN5test1L1yE // CHECK: define internal void @@_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK: call void [[TEST1_Y_INIT]] // CHECK: call void [[TEST1_Z_INIT]] // rdar://problem/8090834: this should be nounwind // CHECK-NOEXC: define internal void @@_GLOBAL__I_a() [[NUW:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK-NOEXC: attributes [[NUW]] = { nounwind } @ 1.1.1.1 log @Import Clang 3.4rc1 r195771. @ text @@ 1.1.1.1.2.1 log @Rebase. @ text @d15 1 a15 1 // CHECK: @@__dso_handle = external global i8 d198 1 a198 1 // CHECK: define internal void @@_GLOBAL__sub_I_global_init.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" { d203 1 a203 1 // CHECK-NOEXC: define internal void @@_GLOBAL__sub_I_global_init.cpp() [[NUW:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" { @ 1.1.1.2 log @Import Clang 3.5svn r209886. @ text @d15 1 a15 1 // CHECK: @@__dso_handle = external global i8 d198 1 a198 1 // CHECK: define internal void @@_GLOBAL__sub_I_global_init.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" { d203 1 a203 1 // CHECK-NOEXC: define internal void @@_GLOBAL__sub_I_global_init.cpp() [[NUW:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" { @ 1.1.1.3 log @Import Clang 3.8.0rc3 r261930. @ text @a2 3 // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm \ // RUN: -momit-leaf-frame-pointer -mdisable-fp-elim %s -o - \ // RUN: | FileCheck -check-prefix CHECK-FP %s d19 1 a19 1 // CHECK: @@_ZN5test3L3varE = internal constant i8* getelementptr inbounds ([7 x i8], [7 x i8]* d23 2 a24 2 // CHECK: @@_ZN6PR59741aE = global %"struct.PR5974::A"* getelementptr inbounds (%"struct.PR5974::C", %"struct.PR5974::C"* @@_ZN6PR59741cE, i32 0, i32 0) // CHECK: @@_ZN6PR59741bE = global %"struct.PR5974::B"* bitcast (i8* getelementptr (i8, i8* bitcast (%"struct.PR5974::C"* @@_ZN6PR59741cE to i8*), i64 4) to %"struct.PR5974::B"*), align 8 d27 1 a27 1 // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @@_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A, %struct.A* @@a, i32 0, i32 0), i8* @@__dso_handle) d31 1 a31 1 // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.B*)* @@_ZN1BD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.B, %struct.B* @@b, i32 0, i32 0), i8* @@__dso_handle) d38 1 a38 1 // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.D*)* @@_ZN1DD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.D, %struct.D* @@d, i32 0, i32 0), i8* @@__dso_handle) d80 1 a80 1 // CHECK: load i8, i8* bitcast (i64* @@_ZGVN5test41xE d190 1 a190 1 // CHECK: load i32, i32* @@_ZN5test1L1yE d194 1 a194 1 // CHECK: load i32, i32* @@_ZN5test1L1xE d198 1 a198 1 // CHECK: define internal void @@_GLOBAL__sub_I_global_init.cpp() #{{[0-9]+}} section "__TEXT,__StaticInit,regular,pure_instructions" { d205 1 a205 5 // CHECK-NOEXC: attributes [[NUW]] = { nounwind{{.*}} } // PR21811: attach the appropriate attribute to the global init function // CHECK-FP: define internal void @@_GLOBAL__sub_I_global_init.cpp() [[NUX:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK-FP: attributes [[NUX]] = { nounwind {{.*}}"no-frame-pointer-elim-non-leaf"{{.*}} } @ 1.1.1.3.2.1 log @Sync with HEAD @ text @d21 3 a173 2 // CHECK: call void @@llvm.memset{{.*}} @@_ZN5test7L2c1E // CHECK-NOT: @@_ZN5test7L2c1E d208 1 a208 1 // CHECK-NOEXC: attributes [[NUW]] = { noinline nounwind{{.*}} } d212 1 a212 1 // CHECK-FP: attributes [[NUX]] = { noinline nounwind {{.*}}"no-frame-pointer-elim-non-leaf"{{.*}} } @ 1.1.1.4 log @Import Clang pre-4.0.0 r291444. @ text @d21 3 a173 2 // CHECK: call void @@llvm.memset{{.*}} @@_ZN5test7L2c1E // CHECK-NOT: @@_ZN5test7L2c1E d208 1 a208 1 // CHECK-NOEXC: attributes [[NUW]] = { noinline nounwind{{.*}} } d212 1 a212 1 // CHECK-FP: attributes [[NUX]] = { noinline nounwind {{.*}}"no-frame-pointer-elim-non-leaf"{{.*}} } @ 1.1.1.5 log @Import clang r309604 from branches/release_50 @ text @d18 1 a18 1 // CHECK: @@__dso_handle = external hidden global i8 @ 1.1.1.5.4.1 log @Mostly merge changes from HEAD upto 20200411 @ text @@ 1.1.1.6 log @Mark old LLVM instance as dead. @ text @@ 1.1.1.2.4.1 log @file global-init.cpp was added on branch tls-maxphys on 2014-08-19 23:47:57 +0000 @ text @d1 205 @ 1.1.1.2.4.2 log @Rebase to HEAD as of a few days ago. @ text @a0 205 // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm -fexceptions %s -o - |FileCheck %s // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm %s -o - |FileCheck -check-prefix CHECK-NOEXC %s struct A { A(); ~A(); }; struct B { B(); ~B(); }; struct C { void *field; }; struct D { ~D(); }; // CHECK: @@__dso_handle = external global i8 // CHECK: @@c = global %struct.C zeroinitializer, align 8 // It's okay if we ever implement the IR-generation optimization to remove this. // CHECK: @@_ZN5test3L3varE = internal constant i8* getelementptr inbounds ([7 x i8]* // PR6205: The casts should not require global initializers // CHECK: @@_ZN6PR59741cE = external global %"struct.PR5974::C" // CHECK: @@_ZN6PR59741aE = global %"struct.PR5974::A"* getelementptr inbounds (%"struct.PR5974::C"* @@_ZN6PR59741cE, i32 0, i32 0) // CHECK: @@_ZN6PR59741bE = global %"struct.PR5974::B"* bitcast (i8* getelementptr (i8* bitcast (%"struct.PR5974::C"* @@_ZN6PR59741cE to i8*), i64 4) to %"struct.PR5974::B"*), align 8 // CHECK: call void @@_ZN1AC1Ev(%struct.A* @@a) // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @@_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @@a, i32 0, i32 0), i8* @@__dso_handle) A a; // CHECK: call void @@_ZN1BC1Ev(%struct.B* @@b) // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.B*)* @@_ZN1BD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.B* @@b, i32 0, i32 0), i8* @@__dso_handle) B b; // PR6205: this should not require a global initializer // CHECK-NOT: call void @@_ZN1CC1Ev(%struct.C* @@c) C c; // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.D*)* @@_ZN1DD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.D* @@d, i32 0, i32 0), i8* @@__dso_handle) D d; // namespace test1 { int f(); const int x = f(); // This has side-effects and gets emitted immediately. const int y = x - 1; // This gets deferred. const int z = ~y; // This also gets deferred, but gets "undeferred" before y. int test() { return z; } // CHECK-LABEL: define i32 @@_ZN5test14testEv() // All of these initializers end up delayed, so we check them later. } // namespace test2 { struct allocator { allocator(); ~allocator(); }; struct A { A(const allocator &a = allocator()); ~A(); }; A a; // CHECK: call void @@_ZN5test29allocatorC1Ev( // CHECK: invoke void @@_ZN5test21AC1ERKNS_9allocatorE( // CHECK: call void @@_ZN5test29allocatorD1Ev( // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test21AD1Ev {{.*}} @@_ZN5test21aE } namespace test3 { // Tested at the beginning of the file. const char * const var = "string"; extern const char * const var; const char *test() { return var; } } namespace test4 { struct A { A(); }; extern int foo(); // This needs an initialization function and guard variables. // CHECK: load i8* bitcast (i64* @@_ZGVN5test41xE // CHECK: [[CALL:%.*]] = call i32 @@_ZN5test43fooEv // CHECK-NEXT: store i32 [[CALL]], i32* @@_ZN5test41xE // CHECK-NEXT: store i64 1, i64* @@_ZGVN5test41xE __attribute__((weak)) int x = foo(); } namespace PR5974 { struct A { int a; }; struct B { int b; }; struct C : A, B { int c; }; extern C c; // These should not require global initializers. A* a = &c; B* b = &c; } // PR9570: the indirect field shouldn't crash IR gen. namespace test5 { static union { unsigned bar[4096] __attribute__((aligned(128))); }; } namespace std { struct type_info; } namespace test6 { struct A { virtual ~A(); }; struct B : A {}; extern A *p; // We must emit a dynamic initializer for 'q', because it could throw. B *const q = &dynamic_cast(*p); // CHECK: call void @@__cxa_bad_cast() // CHECK: store {{.*}} @@_ZN5test6L1qE // We don't need to emit 'r' at all, because it has internal linkage, is // unused, and its initialization has no side-effects. B *const r = dynamic_cast(p); // CHECK-NOT: call void @@__cxa_bad_cast() // CHECK-NOT: store {{.*}} @@_ZN5test6L1rE // This can throw, so we need to emit it. const std::type_info *const s = &typeid(*p); // CHECK: store {{.*}} @@_ZN5test6L1sE // This can't throw, so we don't. const std::type_info *const t = &typeid(p); // CHECK-NOT: @@_ZN5test6L1tE extern B *volatile v; // CHECK: store {{.*}} @@_ZN5test6L1wE B *const w = dynamic_cast(v); // CHECK: load volatile // CHECK: store {{.*}} @@_ZN5test6L1xE const int x = *(volatile int*)0x1234; namespace { int a = int(); volatile int b = int(); int c = a; int d = b; // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1aE // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1bE // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1cE // CHECK: load volatile {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1bE // CHECK: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1dE } } namespace test7 { struct A { A(); }; struct B { ~B(); int n; }; struct C { C() = default; C(const C&); int n; }; struct D {}; // CHECK: call void @@_ZN5test71AC1Ev({{.*}}@@_ZN5test7L1aE) const A a = A(); // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test71BD1Ev{{.*}} @@_ZN5test7L2b1E // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test71BD1Ev{{.*}} @@_ZGRN5test72b2E // CHECK: call void @@_ZN5test71BD1Ev( // CHECK: store {{.*}} @@_ZN5test7L2b3E const B b1 = B(); const B &b2 = B(); const int b3 = B().n; // CHECK-NOT: @@_ZN5test7L2c1E // CHECK: @@_ZN5test7L2c2E // CHECK-NOT: @@_ZN5test7L2c3E // CHECK: @@_ZN5test7L2c4E const C c1 = C(); const C c2 = static_cast(C()); const int c3 = C().n; const int c4 = C(C()).n; // CHECK-NOT: @@_ZN5test7L1dE const D d = D(); // CHECK: store {{.*}} @@_ZN5test71eE int f(), e = f(); } // At the end of the file, we check that y is initialized before z. // CHECK: define internal void [[TEST1_Z_INIT:@@.*]]() // CHECK: load i32* @@_ZN5test1L1yE // CHECK-NEXT: xor // CHECK-NEXT: store i32 {{.*}}, i32* @@_ZN5test1L1zE // CHECK: define internal void [[TEST1_Y_INIT:@@.*]]() // CHECK: load i32* @@_ZN5test1L1xE // CHECK-NEXT: sub // CHECK-NEXT: store i32 {{.*}}, i32* @@_ZN5test1L1yE // CHECK: define internal void @@_GLOBAL__sub_I_global_init.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK: call void [[TEST1_Y_INIT]] // CHECK: call void [[TEST1_Z_INIT]] // rdar://problem/8090834: this should be nounwind // CHECK-NOEXC: define internal void @@_GLOBAL__sub_I_global_init.cpp() [[NUW:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK-NOEXC: attributes [[NUW]] = { nounwind } @ 1.1.1.1.4.1 log @file global-init.cpp was added on branch yamt-pagecache on 2014-05-22 16:18:56 +0000 @ text @d1 205 @ 1.1.1.1.4.2 log @sync with head. for a reference, the tree before this commit was tagged as yamt-pagecache-tag8. this commit was splitted into small chunks to avoid a limitation of cvs. ("Protocol error: too many arguments") @ text @a0 205 // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm -fexceptions %s -o - |FileCheck %s // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm %s -o - |FileCheck -check-prefix CHECK-NOEXC %s struct A { A(); ~A(); }; struct B { B(); ~B(); }; struct C { void *field; }; struct D { ~D(); }; // CHECK: @@__dso_handle = external unnamed_addr global i8 // CHECK: @@c = global %struct.C zeroinitializer, align 8 // It's okay if we ever implement the IR-generation optimization to remove this. // CHECK: @@_ZN5test3L3varE = internal constant i8* getelementptr inbounds ([7 x i8]* // PR6205: The casts should not require global initializers // CHECK: @@_ZN6PR59741cE = external global %"struct.PR5974::C" // CHECK: @@_ZN6PR59741aE = global %"struct.PR5974::A"* getelementptr inbounds (%"struct.PR5974::C"* @@_ZN6PR59741cE, i32 0, i32 0) // CHECK: @@_ZN6PR59741bE = global %"struct.PR5974::B"* bitcast (i8* getelementptr (i8* bitcast (%"struct.PR5974::C"* @@_ZN6PR59741cE to i8*), i64 4) to %"struct.PR5974::B"*), align 8 // CHECK: call void @@_ZN1AC1Ev(%struct.A* @@a) // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @@_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @@a, i32 0, i32 0), i8* @@__dso_handle) A a; // CHECK: call void @@_ZN1BC1Ev(%struct.B* @@b) // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.B*)* @@_ZN1BD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.B* @@b, i32 0, i32 0), i8* @@__dso_handle) B b; // PR6205: this should not require a global initializer // CHECK-NOT: call void @@_ZN1CC1Ev(%struct.C* @@c) C c; // CHECK: call i32 @@__cxa_atexit(void (i8*)* bitcast (void (%struct.D*)* @@_ZN1DD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.D* @@d, i32 0, i32 0), i8* @@__dso_handle) D d; // namespace test1 { int f(); const int x = f(); // This has side-effects and gets emitted immediately. const int y = x - 1; // This gets deferred. const int z = ~y; // This also gets deferred, but gets "undeferred" before y. int test() { return z; } // CHECK-LABEL: define i32 @@_ZN5test14testEv() // All of these initializers end up delayed, so we check them later. } // namespace test2 { struct allocator { allocator(); ~allocator(); }; struct A { A(const allocator &a = allocator()); ~A(); }; A a; // CHECK: call void @@_ZN5test29allocatorC1Ev( // CHECK: invoke void @@_ZN5test21AC1ERKNS_9allocatorE( // CHECK: call void @@_ZN5test29allocatorD1Ev( // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test21AD1Ev {{.*}} @@_ZN5test21aE } namespace test3 { // Tested at the beginning of the file. const char * const var = "string"; extern const char * const var; const char *test() { return var; } } namespace test4 { struct A { A(); }; extern int foo(); // This needs an initialization function and guard variables. // CHECK: load i8* bitcast (i64* @@_ZGVN5test41xE // CHECK: [[CALL:%.*]] = call i32 @@_ZN5test43fooEv // CHECK-NEXT: store i32 [[CALL]], i32* @@_ZN5test41xE // CHECK-NEXT: store i64 1, i64* @@_ZGVN5test41xE __attribute__((weak)) int x = foo(); } namespace PR5974 { struct A { int a; }; struct B { int b; }; struct C : A, B { int c; }; extern C c; // These should not require global initializers. A* a = &c; B* b = &c; } // PR9570: the indirect field shouldn't crash IR gen. namespace test5 { static union { unsigned bar[4096] __attribute__((aligned(128))); }; } namespace std { struct type_info; } namespace test6 { struct A { virtual ~A(); }; struct B : A {}; extern A *p; // We must emit a dynamic initializer for 'q', because it could throw. B *const q = &dynamic_cast(*p); // CHECK: call void @@__cxa_bad_cast() // CHECK: store {{.*}} @@_ZN5test6L1qE // We don't need to emit 'r' at all, because it has internal linkage, is // unused, and its initialization has no side-effects. B *const r = dynamic_cast(p); // CHECK-NOT: call void @@__cxa_bad_cast() // CHECK-NOT: store {{.*}} @@_ZN5test6L1rE // This can throw, so we need to emit it. const std::type_info *const s = &typeid(*p); // CHECK: store {{.*}} @@_ZN5test6L1sE // This can't throw, so we don't. const std::type_info *const t = &typeid(p); // CHECK-NOT: @@_ZN5test6L1tE extern B *volatile v; // CHECK: store {{.*}} @@_ZN5test6L1wE B *const w = dynamic_cast(v); // CHECK: load volatile // CHECK: store {{.*}} @@_ZN5test6L1xE const int x = *(volatile int*)0x1234; namespace { int a = int(); volatile int b = int(); int c = a; int d = b; // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1aE // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1bE // CHECK-NOT: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1cE // CHECK: load volatile {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1bE // CHECK: store {{.*}} @@_ZN5test6{{[A-Za-z0-9_]*}}1dE } } namespace test7 { struct A { A(); }; struct B { ~B(); int n; }; struct C { C() = default; C(const C&); int n; }; struct D {}; // CHECK: call void @@_ZN5test71AC1Ev({{.*}}@@_ZN5test7L1aE) const A a = A(); // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test71BD1Ev{{.*}} @@_ZN5test7L2b1E // CHECK: call i32 @@__cxa_atexit({{.*}} @@_ZN5test71BD1Ev{{.*}} @@_ZGRN5test72b2E // CHECK: call void @@_ZN5test71BD1Ev( // CHECK: store {{.*}} @@_ZN5test7L2b3E const B b1 = B(); const B &b2 = B(); const int b3 = B().n; // CHECK-NOT: @@_ZN5test7L2c1E // CHECK: @@_ZN5test7L2c2E // CHECK-NOT: @@_ZN5test7L2c3E // CHECK: @@_ZN5test7L2c4E const C c1 = C(); const C c2 = static_cast(C()); const int c3 = C().n; const int c4 = C(C()).n; // CHECK-NOT: @@_ZN5test7L1dE const D d = D(); // CHECK: store {{.*}} @@_ZN5test71eE int f(), e = f(); } // At the end of the file, we check that y is initialized before z. // CHECK: define internal void [[TEST1_Z_INIT:@@.*]]() // CHECK: load i32* @@_ZN5test1L1yE // CHECK-NEXT: xor // CHECK-NEXT: store i32 {{.*}}, i32* @@_ZN5test1L1zE // CHECK: define internal void [[TEST1_Y_INIT:@@.*]]() // CHECK: load i32* @@_ZN5test1L1xE // CHECK-NEXT: sub // CHECK-NEXT: store i32 {{.*}}, i32* @@_ZN5test1L1yE // CHECK: define internal void @@_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK: call void [[TEST1_Y_INIT]] // CHECK: call void [[TEST1_Z_INIT]] // rdar://problem/8090834: this should be nounwind // CHECK-NOEXC: define internal void @@_GLOBAL__I_a() [[NUW:#[0-9]+]] section "__TEXT,__StaticInit,regular,pure_instructions" { // CHECK-NOEXC: attributes [[NUW]] = { nounwind } @