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