зеркало из https://github.com/microsoft/clang-1.git
34 строки
1.3 KiB
C++
34 строки
1.3 KiB
C++
// RUN: %clang_cc1 -emit-llvm %s -o - -triple i686-pc-linux-gnu | FileCheck %s
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struct A { int a; virtual int aa(); };
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struct B { int b; virtual int bb(); };
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struct C : virtual A, virtual B { int c; virtual int aa(); virtual int bb(); };
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struct AA { int a; virtual int aa(); };
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struct BB { int b; virtual int bb(); };
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struct CC : AA, BB { virtual int aa(); virtual int bb(); virtual int cc(); };
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struct D : virtual C, virtual CC { int e; };
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D* x;
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A* a() { return x; }
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// CHECK: @_Z1av() nounwind
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// CHECK: [[VBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -16
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// CHECK: [[CASTVBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRA]] to i32*
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// CHECK: load i32* [[CASTVBASEOFFSETPTRA]]
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// CHECK: }
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B* b() { return x; }
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// CHECK: @_Z1bv() nounwind
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// CHECK: [[VBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -20
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// CHECK: [[CASTVBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRA]] to i32*
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// CHECK: load i32* [[CASTVBASEOFFSETPTRA]]
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// CHECK: }
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BB* c() { return x; }
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// CHECK: @_Z1cv() nounwind
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// CHECK: [[VBASEOFFSETPTRC:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -24
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// CHECK: [[CASTVBASEOFFSETPTRC:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRC]] to i32*
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// CHECK: [[VBASEOFFSETC:%[a-zA-Z0-9\.]+]] = load i32* [[CASTVBASEOFFSETPTRC]]
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// CHECK: add i32 [[VBASEOFFSETC]], 8
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// CHECK: }
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