62f3ef2b53
If we're going to assume references are dereferenceable, we should also assume they're aligned: otherwise, we can't actually dereference them. See also D80072. Differential Revision: https://reviews.llvm.org/D80166
16 lines
502 B
C++
16 lines
502 B
C++
// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s
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struct A { void *p; void *q; void *r; };
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struct B : A {};
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static_assert(sizeof(B) == 24);
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// CHECK: define nonnull align 8 dereferenceable(24) {{.*}} @_Z1fR1B({{.*}} nonnull align 8 dereferenceable(24)
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B &f(B &b) { return b; }
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struct C : virtual A {};
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static_assert(sizeof(C) == 32);
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// CHECK: define nonnull align 8 dereferenceable(8) {{.*}} @_Z1fR1C({{.*}} nonnull align 8 dereferenceable(8)
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C &f(C &c) { return c; }
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