xref: /aosp_15_r20/external/clang/test/CodeGenCXX/attr.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // CHECK: @test2 = alias i32 (), i32 ()* @_Z5test1v
4*67e74705SXin Li 
5*67e74705SXin Li // CHECK: define i32 @_Z3foov() [[NUW:#[0-9]+]] align 1024
6*67e74705SXin Li int foo() __attribute__((aligned(1024)));
foo()7*67e74705SXin Li int foo() { }
8*67e74705SXin Li 
9*67e74705SXin Li class C {
10*67e74705SXin Li   virtual void bar1() __attribute__((aligned(1)));
11*67e74705SXin Li   virtual void bar2() __attribute__((aligned(2)));
12*67e74705SXin Li   virtual void bar3() __attribute__((aligned(1024)));
13*67e74705SXin Li   void bar4() __attribute__((aligned(1024)));
14*67e74705SXin Li } c;
15*67e74705SXin Li 
16*67e74705SXin Li // CHECK: define void @_ZN1C4bar1Ev(%class.C* %this) unnamed_addr [[NUW]] align 2
bar1()17*67e74705SXin Li void C::bar1() { }
18*67e74705SXin Li 
19*67e74705SXin Li // CHECK: define void @_ZN1C4bar2Ev(%class.C* %this) unnamed_addr [[NUW]] align 2
bar2()20*67e74705SXin Li void C::bar2() { }
21*67e74705SXin Li 
22*67e74705SXin Li // CHECK: define void @_ZN1C4bar3Ev(%class.C* %this) unnamed_addr [[NUW]] align 1024
bar3()23*67e74705SXin Li void C::bar3() { }
24*67e74705SXin Li 
25*67e74705SXin Li // CHECK: define void @_ZN1C4bar4Ev(%class.C* %this) [[NUW]] align 1024
bar4()26*67e74705SXin Li void C::bar4() { }
27*67e74705SXin Li 
28*67e74705SXin Li // PR6635
29*67e74705SXin Li // CHECK-LABEL: define i32 @_Z5test1v()
test1()30*67e74705SXin Li int test1() { return 10; }
31*67e74705SXin Li // CHECK at top of file
32*67e74705SXin Li extern "C" int test2() __attribute__((alias("_Z5test1v")));
33*67e74705SXin Li 
34*67e74705SXin Li // CHECK: attributes [[NUW]] = { nounwind{{.*}} }
35