1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s 2 3 // CHECK: @_ZZ1hvE1i = internal global i32 0, align 4 4 // CHECK: @base_req = global [4 x i8] c"foo\00", align 1 5 // CHECK: @base_req_uchar = global [4 x i8] c"bar\00", align 1 6 7 // CHECK: @_ZZN5test31BC1EvE1u = internal global { i8, [3 x i8] } { i8 97, [3 x i8] undef }, align 4 8 // CHECK: @_ZZN5test1L6getvarEiE3var = internal constant [4 x i32] [i32 1, i32 0, i32 2, i32 4], align 16 9 // CHECK: @_ZZ2h2vE1i = linkonce_odr global i32 0 10 // CHECK: @_ZGVZ2h2vE1i = linkonce_odr global i64 0 11 12 struct A { 13 A(); 14 ~A(); 15 }; 16 17 void f() { 18 // CHECK: load atomic i8* bitcast (i64* @_ZGVZ1fvE1a to i8*) acquire, align 1 19 // CHECK: call i32 @__cxa_guard_acquire 20 // CHECK: call void @_ZN1AC1Ev 21 // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @_ZZ1fvE1a, i32 0, i32 0), i8* @__dso_handle) 22 // CHECK: call void @__cxa_guard_release 23 static A a; 24 } 25 26 void g() { 27 // CHECK: call noalias i8* @_Znwm(i64 1) 28 // CHECK: call void @_ZN1AC1Ev( 29 static A& a = *new A; 30 } 31 32 int a(); 33 void h() { 34 static const int i = a(); 35 } 36 37 inline void h2() { 38 static int i = a(); 39 } 40 41 void h3() { 42 h2(); 43 } 44 45 // PR6980: this shouldn't crash 46 namespace test0 { 47 struct A { A(); }; 48 __attribute__((noreturn)) int throw_exception(); 49 50 void test() { 51 throw_exception(); 52 static A r; 53 } 54 } 55 56 namespace test1 { 57 // CHECK: define internal i32 @_ZN5test1L6getvarEi( 58 static inline int getvar(int index) { 59 static const int var[] = { 1, 0, 2, 4 }; 60 return var[index]; 61 } 62 63 void test() { (void) getvar(2); } 64 } 65 66 // Make sure we emit the initializer correctly for the following: 67 char base_req[] = { "foo" }; 68 unsigned char base_req_uchar[] = { "bar" }; 69 70 namespace union_static_local { 71 // CHECK: define internal void @_ZZN18union_static_local4testEvEN1c4mainEv 72 // CHECK: call void @_ZN18union_static_local1fEPNS_1xE(%"union.union_static_local::x"* bitcast ({ [2 x i8*] }* @_ZZN18union_static_local4testEvE3foo to %"union.union_static_local::x"*)) 73 union x { long double y; const char *x[2]; }; 74 void f(union x*); 75 void test() { 76 static union x foo = { .x = { "a", "b" } }; 77 struct c { 78 static void main() { 79 f(&foo); 80 } 81 }; 82 c::main(); 83 } 84 } 85 86 // rdar://problem/11091093 87 // Static variables should be consistent across constructor 88 // or destructor variants. 89 namespace test2 { 90 struct A { 91 A(); 92 ~A(); 93 }; 94 95 struct B : virtual A { 96 B(); 97 ~B(); 98 }; 99 100 // If we ever implement this as a delegate ctor call, just change 101 // this to take variadic arguments or something. 102 extern int foo(); 103 B::B() { 104 static int x = foo(); 105 } 106 // CHECK: define void @_ZN5test21BC1Ev 107 // CHECK: load atomic i8* bitcast (i64* @_ZGVZN5test21BC1EvE1x to i8*) acquire, 108 // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZN5test21BC1EvE1x) 109 // CHECK: [[T0:%.*]] = call i32 @_ZN5test23fooEv() 110 // CHECK: store i32 [[T0]], i32* @_ZZN5test21BC1EvE1x, 111 // CHECK: call void @__cxa_guard_release(i64* @_ZGVZN5test21BC1EvE1x) 112 113 // CHECK: define void @_ZN5test21BC2Ev 114 // CHECK: load atomic i8* bitcast (i64* @_ZGVZN5test21BC1EvE1x to i8*) acquire, 115 // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZN5test21BC1EvE1x) 116 // CHECK: [[T0:%.*]] = call i32 @_ZN5test23fooEv() 117 // CHECK: store i32 [[T0]], i32* @_ZZN5test21BC1EvE1x, 118 // CHECK: call void @__cxa_guard_release(i64* @_ZGVZN5test21BC1EvE1x) 119 120 // This is just for completeness, because we actually emit this 121 // using a delegate dtor call. 122 B::~B() { 123 static int y = foo(); 124 } 125 // CHECK: define void @_ZN5test21BD1Ev( 126 // CHECK: call void @_ZN5test21BD2Ev( 127 128 // CHECK: define void @_ZN5test21BD2Ev( 129 // CHECK: load atomic i8* bitcast (i64* @_ZGVZN5test21BD1EvE1y to i8*) acquire, 130 // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZN5test21BD1EvE1y) 131 // CHECK: [[T0:%.*]] = call i32 @_ZN5test23fooEv() 132 // CHECK: store i32 [[T0]], i32* @_ZZN5test21BD1EvE1y, 133 // CHECK: call void @__cxa_guard_release(i64* @_ZGVZN5test21BD1EvE1y) 134 } 135 136 // This shouldn't error out. 137 namespace test3 { 138 struct A { 139 A(); 140 ~A(); 141 }; 142 143 struct B : virtual A { 144 B(); 145 ~B(); 146 }; 147 148 B::B() { 149 union U { char x; int i; }; 150 static U u = { 'a' }; 151 } 152 // CHECK: define void @_ZN5test31BC1Ev( 153 // CHECK: define void @_ZN5test31BC2Ev( 154 } 155
