89810cee54
Converted using https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34 with manual fixup, primarily to drop check lines for types that no longer appear with opaque pointers.
33 lines
991 B
C++
33 lines
991 B
C++
// Check that the pointer adjustment from the virtual base offset is loaded as a
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// 32-bit int.
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// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -S -o - -emit-llvm | FileCheck %s
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// CHECK-LABEL: @_ZTv0_n12_N7Derived1fEi(
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// CHECK-NEXT: entry:
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// CHECK: [[vtable:%.+]] = load ptr, ptr %this1, align 8
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// CHECK-NEXT: [[vbase_offset_ptr:%.+]] = getelementptr inbounds i8, ptr [[vtable]], i64 -12
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// CHECK-NEXT: [[vbase_offset:%.+]] = load i32, ptr [[vbase_offset_ptr]], align 4
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// CHECK-NEXT: [[adj_this:%.+]] = getelementptr inbounds i8, ptr %this1, i32 [[vbase_offset]]
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// CHECK: [[call:%.+]] = tail call noundef i32 @_ZN7Derived1fEi(ptr noundef{{[^,]*}} [[adj_this]], i32 noundef {{.*}})
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// CHECK: ret i32 [[call]]
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class Base {
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public:
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virtual int f(int x);
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private:
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long x;
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};
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class Derived : public virtual Base {
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public:
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virtual int f(int x);
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private:
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long y;
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};
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int Base::f(int x) { return x + 1; }
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int Derived::f(int x) { return x + 2; }
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