diff options
Diffstat (limited to 'clang/test/CodeGenCXX/global-init.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/global-init.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/global-init.cpp b/clang/test/CodeGenCXX/global-init.cpp index 6ff9598afce..f89e9781319 100644 --- a/clang/test/CodeGenCXX/global-init.cpp +++ b/clang/test/CodeGenCXX/global-init.cpp @@ -17,6 +17,11 @@ struct D { ~D(); }; // 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"* bitcast (%"struct.PR5974::C"* @_ZN6PR59741cE to %"struct.PR5974::A"*), align 8 +// CHECK: @_ZN6PR59741bE = global %"struct.PR5974::A"* bitcast (i8* getelementptr (%"struct.PR5974::C"* @_ZN6PR59741cE, i32 0, i32 0, i64 4) to %"struct.PR5974::A"*), 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* bitcast (i8** @__dso_handle to i8*)) A a; @@ -64,6 +69,17 @@ namespace test3 { const char *test() { return var; } } +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; +} // CHECK: define internal void [[TEST1_Z_INIT:@.*]]() // CHECK: load i32* @_ZN5test1L1yE // CHECK-NEXT: xor |
