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-rw-r--r--test/CodeGenCXX/static-init.cpp93
1 files changed, 92 insertions, 1 deletions
diff --git a/test/CodeGenCXX/static-init.cpp b/test/CodeGenCXX/static-init.cpp
index 9e2673c..ed659de 100644
--- a/test/CodeGenCXX/static-init.cpp
+++ b/test/CodeGenCXX/static-init.cpp
@@ -1,7 +1,9 @@
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
// CHECK: @_ZZ1hvE1i = internal global i32 0, align 4
+// CHECK: @base_req = global [4 x i8] c"foo\00", align 1
+// CHECK: @_ZZN5test31BC1EvE1u = internal global { i8, [3 x i8] } { i8 97, [3 x i8] undef }, align 4
// CHECK: @_ZZN5test1L6getvarEiE3var = internal constant [4 x i32] [i32 1, i32 0, i32 2, i32 4], align 16
// CHECK: @_ZZ2h2vE1i = linkonce_odr global i32 0
// CHECK: @_ZGVZ2h2vE1i = linkonce_odr global i64 0
@@ -15,7 +17,7 @@ void f() {
// CHECK: load atomic i8* bitcast (i64* @_ZGVZ1fvE1a to i8*) acquire, align 1
// CHECK: call i32 @__cxa_guard_acquire
// CHECK: call void @_ZN1AC1Ev
- // 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* bitcast (i8** @__dso_handle to i8*))
+ // 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)
// CHECK: call void @__cxa_guard_release
static A a;
}
@@ -59,3 +61,92 @@ namespace test1 {
void test() { (void) getvar(2); }
}
+
+// Make sure we emit the initializer correctly for the following:
+char base_req[] = { "foo" };
+
+namespace union_static_local {
+ // CHECK: define internal void @_ZZN18union_static_local4testEvEN1c4mainEv
+ // 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"*))
+ union x { long double y; const char *x[2]; };
+ void f(union x*);
+ void test() {
+ static union x foo = { .x = { "a", "b" } };
+ struct c {
+ static void main() {
+ f(&foo);
+ }
+ };
+ c::main();
+ }
+}
+
+// rdar://problem/11091093
+// Static variables should be consistent across constructor
+// or destructor variants.
+namespace test2 {
+ struct A {
+ A();
+ ~A();
+ };
+
+ struct B : virtual A {
+ B();
+ ~B();
+ };
+
+ // If we ever implement this as a delegate ctor call, just change
+ // this to take variadic arguments or something.
+ extern int foo();
+ B::B() {
+ static int x = foo();
+ }
+ // CHECK: define void @_ZN5test21BC1Ev
+ // CHECK: load atomic i8* bitcast (i64* @_ZGVZN5test21BC1EvE1x to i8*) acquire,
+ // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZN5test21BC1EvE1x)
+ // CHECK: [[T0:%.*]] = call i32 @_ZN5test23fooEv()
+ // CHECK: store i32 [[T0]], i32* @_ZZN5test21BC1EvE1x,
+ // CHECK: call void @__cxa_guard_release(i64* @_ZGVZN5test21BC1EvE1x)
+
+ // CHECK: define void @_ZN5test21BC2Ev
+ // CHECK: load atomic i8* bitcast (i64* @_ZGVZN5test21BC1EvE1x to i8*) acquire,
+ // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZN5test21BC1EvE1x)
+ // CHECK: [[T0:%.*]] = call i32 @_ZN5test23fooEv()
+ // CHECK: store i32 [[T0]], i32* @_ZZN5test21BC1EvE1x,
+ // CHECK: call void @__cxa_guard_release(i64* @_ZGVZN5test21BC1EvE1x)
+
+ // This is just for completeness, because we actually emit this
+ // using a delegate dtor call.
+ B::~B() {
+ static int y = foo();
+ }
+ // CHECK: define void @_ZN5test21BD1Ev(
+ // CHECK: call void @_ZN5test21BD2Ev(
+
+ // CHECK: define void @_ZN5test21BD2Ev(
+ // CHECK: load atomic i8* bitcast (i64* @_ZGVZN5test21BD1EvE1y to i8*) acquire,
+ // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZN5test21BD1EvE1y)
+ // CHECK: [[T0:%.*]] = call i32 @_ZN5test23fooEv()
+ // CHECK: store i32 [[T0]], i32* @_ZZN5test21BD1EvE1y,
+ // CHECK: call void @__cxa_guard_release(i64* @_ZGVZN5test21BD1EvE1y)
+}
+
+// This shouldn't error out.
+namespace test3 {
+ struct A {
+ A();
+ ~A();
+ };
+
+ struct B : virtual A {
+ B();
+ ~B();
+ };
+
+ B::B() {
+ union U { char x; int i; };
+ static U u = { 'a' };
+ }
+ // CHECK: define void @_ZN5test31BC1Ev(
+ // CHECK: define void @_ZN5test31BC2Ev(
+}
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