diff options
Diffstat (limited to 'clang/test/CIR/CodeGen/call-via-class-member-funcptr.cpp')
| -rw-r--r-- | clang/test/CIR/CodeGen/call-via-class-member-funcptr.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/clang/test/CIR/CodeGen/call-via-class-member-funcptr.cpp b/clang/test/CIR/CodeGen/call-via-class-member-funcptr.cpp new file mode 100644 index 0000000..dbde454 --- /dev/null +++ b/clang/test/CIR/CodeGen/call-via-class-member-funcptr.cpp @@ -0,0 +1,86 @@ +// RUN: %clang_cc1 -std=c++20 -triple aarch64-none-linux-android21 -fclangir -emit-cir %s -o %t.cir +// RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR +// RUN: %clang_cc1 -std=c++20 -triple aarch64-none-linux-android21 -fclangir -emit-llvm %s -o %t-cir.ll +// RUN: FileCheck --input-file=%t-cir.ll %s --check-prefix=LLVM +// RUN: %clang_cc1 -std=c++20 -triple aarch64-none-linux-android21 -emit-llvm %s -o %t.ll +// RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG + +class A { +public: + static char *b(int); +}; + +int h=0; + +class F { +public: + const char *b(); + A g; +}; + +const char *F::b() { return g.b(h); } + +void fn1() { F f1; } + +// CIR: cir.func {{.*}} @_ZN1F1bEv +// CIR: %[[H_PTR:.*]] = cir.get_global @h : !cir.ptr<!s32i> +// CIR: %[[H_VAL:.*]] = cir.load{{.*}} %[[H_PTR]] : !cir.ptr<!s32i>, !s32i +// CIR: %[[RET:.*]] = cir.call @_ZN1A1bEi(%[[H_VAL]]) : (!s32i) -> !cir.ptr<!s8i> + +// LLVM: define {{.*}} ptr @_ZN1F1bEv +// LLVM: %[[VAR_H:.*]] = load i32, ptr @h +// LLVM: %[[RET:.*]] = call ptr @_ZN1A1bEi(i32 %[[VAR_H]]) + +// OGCG: define {{.*}} ptr @_ZN1F1bEv +// OGCG: %[[VAR_H:.*]] = load i32, ptr @h +// OGCG: %[[RET:.*]] = call noundef ptr @_ZN1A1bEi(i32 noundef %[[VAR_H]]) + +class B { +public: + B(); + int (&indirect_callee_int_ref)(int); +}; + +class C { +public: + int call_indirect(int v) { return inner.indirect_callee_int_ref(v); }; + B inner; +}; + +void fn2() { C c1; c1.call_indirect(2); } + +// CIR: cir.func {{.*}} @_ZN1C13call_indirectEi(%[[THIS_ARG:.*]]: !cir.ptr<!rec_C> {{.*}}, %[[V_ARG:.*]]: !s32i {{.*}}) -> !s32i +// CIR: %[[THIS_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["this", init] +// CIR: %[[V_ADDR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["v", init] +// CIR: cir.store %[[THIS_ARG]], %[[THIS_ADDR]] +// CIR: cir.store %[[V_ARG]], %[[V_ADDR]] +// CIR: %[[THIS:.*]] = cir.load %[[THIS_ADDR]] +// CIR: %[[INNER:.*]] = cir.get_member %[[THIS]][0] {name = "inner"} : !cir.ptr<!rec_C> -> !cir.ptr<!rec_B> +// CIR: %[[INDIRECT_CALLEE_PTR:.*]] = cir.get_member %[[INNER]][0] {name = "indirect_callee_int_ref"} +// CIR: %[[INDIRECT_CALLEE:.*]] = cir.load %[[INDIRECT_CALLEE_PTR]] +// CIR: %[[V:.*]] = cir.load{{.*}} %[[V_ADDR]] : !cir.ptr<!s32i>, !s32i +// CIR: %[[RET:.*]] = cir.call %[[INDIRECT_CALLEE]](%[[V]]) + +// LLVM: define {{.*}} i32 @_ZN1C13call_indirectEi(ptr %[[THIS_ARG:.*]], i32 %[[V_ARG:.*]]) +// LLVM: %[[THIS_ADDR:.*]] = alloca ptr +// LLVM: %[[V_ADDR:.*]] = alloca i32 +// LLVM: store ptr %[[THIS_ARG]], ptr %[[THIS_ADDR]] +// LLVM: store i32 %[[V_ARG]], ptr %[[V_ADDR]] +// LLVM: %[[THIS:.*]] = load ptr, ptr %[[THIS_ADDR]] +// LLVM: %[[INNER:.*]] = getelementptr %class.C, ptr %[[THIS]], i32 0, i32 0 +// LLVM: %[[INDIRECT_CALLEE_PTR:.*]] = getelementptr %class.B, ptr %[[INNER]], i32 0, i32 0 +// LLVM: %[[INDIRECT_CALLEE:.*]] = load ptr, ptr %[[INDIRECT_CALLEE_PTR]] +// LLVM: %[[V:.*]] = load i32, ptr %[[V_ADDR]] +// LLVM: %[[RET:.*]] = call i32 %[[INDIRECT_CALLEE]](i32 %[[V]]) + +// OGCG: define {{.*}} i32 @_ZN1C13call_indirectEi(ptr {{.*}} %[[THIS_ARG:.*]], i32 {{.*}} %[[V_ARG:.*]]) +// OGCG: %[[THIS_ADDR:.*]] = alloca ptr +// OGCG: %[[V_ADDR:.*]] = alloca i32 +// OGCG: store ptr %[[THIS_ARG]], ptr %[[THIS_ADDR]] +// OGCG: store i32 %[[V_ARG]], ptr %[[V_ADDR]] +// OGCG: %[[THIS:.*]] = load ptr, ptr %[[THIS_ADDR]] +// OGCG: %[[INNER:.*]] = getelementptr inbounds nuw %class.C, ptr %[[THIS]], i32 0, i32 0 +// OGCG: %[[INDIRECT_CALLEE_PTR:.*]] = getelementptr inbounds nuw %class.B, ptr %[[INNER]], i32 0, i32 0 +// OGCG: %[[INDIRECT_CALLEE:.*]] = load ptr, ptr %[[INDIRECT_CALLEE_PTR]] +// OGCG: %[[V:.*]] = load i32, ptr %[[V_ADDR]] +// OGCG: %[[RET:.*]] = call noundef i32 %[[INDIRECT_CALLEE]](i32 noundef %[[V]]) |