6236496561
Clang was creating a DerivedToBase ImplicitCastExpr that was also casting between address spaces as part of the second step in the standard conversion sequence. Defer the address space conversion to the third step in the sequence instead, such that we get a separate ImplicitCastExpr for the address space conversion. Differential Revision: https://reviews.llvm.org/D70605
83 lines
2.0 KiB
Common Lisp
83 lines
2.0 KiB
Common Lisp
// RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
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struct B {
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int mb;
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};
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class D : public B {
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public:
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int getmb() { return mb; }
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};
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void foo() {
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D d;
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//CHECK-LABEL: foo
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//CHECK: addrspacecast %class.D* %d to %class.D addrspace(4)*
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//CHECK: call spir_func i32 @_ZNU3AS41D5getmbEv(%class.D addrspace(4)*
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d.getmb();
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}
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//Derived and Base are in the same address space.
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//CHECK: define linkonce_odr spir_func i32 @_ZNU3AS41D5getmbEv(%class.D addrspace(4)* %this)
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//CHECK: bitcast %class.D addrspace(4)* %this1 to %struct.B addrspace(4)*
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// Calling base method through multiple inheritance.
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class B2 {
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public:
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void baseMethod() const { }
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int &getRef() { return bb; }
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int bb;
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};
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class Derived : public B, public B2 {
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public:
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void work() const { baseMethod(); }
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// CHECK-LABEL: work
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// CHECK: bitcast i8 addrspace(4)* %add.ptr to %class.B2 addrspace(4)*
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};
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void pr43145(const Derived *argDerived) {
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argDerived->work();
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}
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// Casting from base to derived.
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void pr43145_2(B *argB) {
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Derived *x = (Derived*)argB;
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// CHECK-LABEL: @_Z9pr43145_2
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// CHECK: bitcast %struct.B addrspace(4)* %0 to %class.Derived addrspace(4)*
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}
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// Assigning to reference returned by base class method through derived class.
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void pr43145_3(int n) {
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Derived d;
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d.getRef() = n;
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// CHECK-LABEL: @_Z9pr43145_3
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// CHECK: addrspacecast %class.Derived* %d to %class.Derived addrspace(4)*
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// CHECK: bitcast i8 addrspace(4)* %add.ptr to %class.B2 addrspace(4)*
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// CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
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private Derived *pd = &d;
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pd->getRef() = n;
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// CHECK: addrspacecast %class.Derived* %4 to %class.Derived addrspace(4)*
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// CHECK: bitcast i8 addrspace(4)* %add.ptr1 to %class.B2 addrspace(4)*
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// CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
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}
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// Implicit conversion of derived to base.
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void functionWithBaseArgPtr(class B2 *b) {}
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void functionWithBaseArgRef(class B2 &b) {}
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void pr43145_4() {
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Derived d;
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functionWithBaseArgPtr(&d);
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functionWithBaseArgRef(d);
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}
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