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1  // RUN: %clang_cc1 -std=c++11 -fms-extensions -Wno-microsoft -triple=i386-pc-windows-gnu -emit-llvm %s -o - | FileCheck %s
2  
3  __interface I {
4    int test() {
5      return 1;
6    }
7  };
8  
9  struct S : I {
testS10    virtual int test() override {
11      return I::test();
12    }
13  };
14  
fn()15  int fn() {
16    S s;
17    return s.test();
18  }
19  
20  // CHECK: @_ZTV1S = linkonce_odr unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1S to i8*), i8* bitcast (i32 (%struct.S*)* @_ZN1S4testEv to i8*)]
21  
22  // CHECK-LABEL: define i32 @_Z2fnv()
23  // CHECK:   call x86_thiscallcc void @_ZN1SC1Ev(%struct.S* %s)
24  // CHECK:   %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc i32 @_ZN1S4testEv(%struct.S* %s)
25  
26  // CHECK-LABEL: define linkonce_odr x86_thiscallcc void @_ZN1SC1Ev(%struct.S* %this)
27  // CHECK:   call x86_thiscallcc void @_ZN1SC2Ev(%struct.S* %{{[.0-9A-Z_a-z]+}})
28  
29  // CHECK-LABEL: define linkonce_odr x86_thiscallcc i32 @_ZN1S4testEv(%struct.S* %this)
30  // CHECK:   %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc i32 @_ZN1I4testEv(%__interface.I* %{{[.0-9A-Z_a-z]+}})
31  
32  // CHECK-LABEL: define linkonce_odr x86_thiscallcc i32 @_ZN1I4testEv(%__interface.I* %this)
33  // CHECK:   ret i32 1
34  
35  // CHECK-LABEL: define linkonce_odr x86_thiscallcc void @_ZN1SC2Ev(%struct.S* %this)
36  // CHECK:   call x86_thiscallcc void @_ZN1IC2Ev(%__interface.I* %{{[.0-9A-Z_a-z]+}})
37  // CHECK:   store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1S, i64 0, i64 2), i8*** %{{[.0-9A-Z_a-z]+}}
38  
39  // CHECK-LABEL: define linkonce_odr x86_thiscallcc void @_ZN1IC2Ev(%__interface.I* %this)
40  // CHECK:   store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1I, i64 0, i64 2), i8*** %{{[.0-9A-Z_a-z]+}}
41