| // RUN: %clang_cc1 -O0 -triple amdgcn -emit-llvm %s -o - | FileCheck %s |
| |
| class A { |
| public: |
| int x; |
| A():x(0) {} |
| ~A() {} |
| }; |
| |
| class B { |
| int x[100]; |
| }; |
| |
| A g_a; |
| B g_b; |
| |
| void func_with_ref_arg(A &a); |
| void func_with_ref_arg(B &b); |
| |
| // CHECK-LABEL: define void @_Z22func_with_indirect_arg1A(%class.A addrspace(5)* %a) |
| // CHECK: %p = alloca %class.A*, align 8, addrspace(5) |
| // CHECK: %[[r1:.+]] = addrspacecast %class.A* addrspace(5)* %p to %class.A** |
| // CHECK: %[[r0:.+]] = addrspacecast %class.A addrspace(5)* %a to %class.A* |
| // CHECK: store %class.A* %[[r0]], %class.A** %[[r1]], align 8 |
| void func_with_indirect_arg(A a) { |
| A *p = &a; |
| } |
| |
| // CHECK-LABEL: define void @_Z22test_indirect_arg_autov() |
| // CHECK: %a = alloca %class.A, align 4, addrspace(5) |
| // CHECK: %[[r0:.+]] = addrspacecast %class.A addrspace(5)* %a to %class.A* |
| // CHECK: %agg.tmp = alloca %class.A, align 4, addrspace(5) |
| // CHECK: %[[r1:.+]] = addrspacecast %class.A addrspace(5)* %agg.tmp to %class.A* |
| // CHECK: call void @_ZN1AC1Ev(%class.A* %[[r0]]) |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| // CHECK: %[[r4:.+]] = addrspacecast %class.A* %[[r1]] to %class.A addrspace(5)* |
| // CHECK: call void @_Z22func_with_indirect_arg1A(%class.A addrspace(5)* %[[r4]]) |
| // CHECK: call void @_ZN1AD1Ev(%class.A* %[[r1]]) |
| // CHECK: call void @_Z17func_with_ref_argR1A(%class.A* dereferenceable(4) %[[r0]]) |
| // CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]]) |
| void test_indirect_arg_auto() { |
| A a; |
| func_with_indirect_arg(a); |
| func_with_ref_arg(a); |
| } |
| |
| // CHECK: define void @_Z24test_indirect_arg_globalv() |
| // CHECK: %agg.tmp = alloca %class.A, align 4, addrspace(5) |
| // CHECK: %[[r0:.+]] = addrspacecast %class.A addrspace(5)* %agg.tmp to %class.A* |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| // CHECK: %[[r2:.+]] = addrspacecast %class.A* %[[r0]] to %class.A addrspace(5)* |
| // CHECK: call void @_Z22func_with_indirect_arg1A(%class.A addrspace(5)* %[[r2]]) |
| // CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]]) |
| // CHECK: call void @_Z17func_with_ref_argR1A(%class.A* dereferenceable(4) addrspacecast (%class.A addrspace(1)* @g_a to %class.A*)) |
| void test_indirect_arg_global() { |
| func_with_indirect_arg(g_a); |
| func_with_ref_arg(g_a); |
| } |
| |
| // CHECK-LABEL: define void @_Z19func_with_byval_arg1B(%class.B addrspace(5)* byval(%class.B) align 4 %b) |
| // CHECK: %p = alloca %class.B*, align 8, addrspace(5) |
| // CHECK: %[[r1:.+]] = addrspacecast %class.B* addrspace(5)* %p to %class.B** |
| // CHECK: %[[r0:.+]] = addrspacecast %class.B addrspace(5)* %b to %class.B* |
| // CHECK: store %class.B* %[[r0]], %class.B** %[[r1]], align 8 |
| void func_with_byval_arg(B b) { |
| B *p = &b; |
| } |
| |
| // CHECK-LABEL: define void @_Z19test_byval_arg_autov() |
| // CHECK: %b = alloca %class.B, align 4, addrspace(5) |
| // CHECK: %[[r0:.+]] = addrspacecast %class.B addrspace(5)* %b to %class.B* |
| // CHECK: %agg.tmp = alloca %class.B, align 4, addrspace(5) |
| // CHECK: %[[r1:.+]] = addrspacecast %class.B addrspace(5)* %agg.tmp to %class.B* |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| // CHECK: %[[r4:.+]] = addrspacecast %class.B* %[[r1]] to %class.B addrspace(5)* |
| // CHECK: call void @_Z19func_with_byval_arg1B(%class.B addrspace(5)* byval(%class.B) align 4 %[[r4]]) |
| // CHECK: call void @_Z17func_with_ref_argR1B(%class.B* dereferenceable(400) %[[r0]]) |
| void test_byval_arg_auto() { |
| B b; |
| func_with_byval_arg(b); |
| func_with_ref_arg(b); |
| } |
| |
| // CHECK-LABEL: define void @_Z21test_byval_arg_globalv() |
| // CHECK: %agg.tmp = alloca %class.B, align 4, addrspace(5) |
| // CHECK: %[[r0:.+]] = addrspacecast %class.B addrspace(5)* %agg.tmp to %class.B* |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| // CHECK: %[[r2:.+]] = addrspacecast %class.B* %[[r0]] to %class.B addrspace(5)* |
| // CHECK: call void @_Z19func_with_byval_arg1B(%class.B addrspace(5)* byval(%class.B) align 4 %[[r2]]) |
| // CHECK: call void @_Z17func_with_ref_argR1B(%class.B* dereferenceable(400) addrspacecast (%class.B addrspace(1)* @g_b to %class.B*)) |
| void test_byval_arg_global() { |
| func_with_byval_arg(g_b); |
| func_with_ref_arg(g_b); |
| } |