21 lines
778 B
C++
21 lines
778 B
C++
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// RUN: %clang_cc1 -fms-compatibility -triple x86_64-windows-msvc %s -emit-llvm -o - | FileCheck %s
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// Make sure we choose the *direct* base path when doing these conversions.
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// CHECK: %struct.C = type { %struct.A, %struct.B }
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// CHECK: %struct.D = type { %struct.B, %struct.A }
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struct A { int a; };
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struct B : A { int b; };
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struct C : A, B { };
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extern "C" A *a_from_c(C *p) { return p; }
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// CHECK-LABEL: define dso_local %struct.A* @a_from_c(%struct.C* %{{.*}})
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// CHECK: bitcast %struct.C* %{{.*}} to %struct.A*
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struct D : B, A { };
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extern "C" A *a_from_d(D *p) { return p; }
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// CHECK-LABEL: define dso_local %struct.A* @a_from_d(%struct.D* %{{.*}})
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// CHECK: %[[p_i8:[^ ]*]] = bitcast %struct.D* %{{.*}} to i8*
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// CHECK: getelementptr inbounds i8, i8* %[[p_i8]], i64 8
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