diff options
Diffstat (limited to 'clang/test/CIR/CodeGen/new.cpp')
-rw-r--r-- | clang/test/CIR/CodeGen/new.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/clang/test/CIR/CodeGen/new.cpp b/clang/test/CIR/CodeGen/new.cpp index 000ea5b..2efad10 100644 --- a/clang/test/CIR/CodeGen/new.cpp +++ b/clang/test/CIR/CodeGen/new.cpp @@ -208,6 +208,127 @@ void t_new_constant_size() { // OGCG: %[[CALL:.*]] = call noalias noundef nonnull ptr @_Znam(i64 noundef 128) // OGCG: store ptr %[[CALL]], ptr %[[P_ADDR]], align 8 +class C { + public: + ~C(); +}; + +void t_constant_size_nontrivial() { + auto p = new C[3]; +} + +// CHECK: cir.func{{.*}} @_Z26t_constant_size_nontrivialv() +// CHECK: %[[P_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["p", init] {alignment = 8 : i64} +// CHECK: %[[#NUM_ELEMENTS:]] = cir.const #cir.int<3> : !u64i +// CHECK: %[[#SIZE_WITHOUT_COOKIE:]] = cir.const #cir.int<3> : !u64i +// CHECK: %[[#ALLOCATION_SIZE:]] = cir.const #cir.int<11> : !u64i +// CHECK: %[[RAW_PTR:.*]] = cir.call @_Znam(%[[#ALLOCATION_SIZE]]) : (!u64i) -> !cir.ptr<!void> +// CHECK: %[[COOKIE_PTR_BASE:.*]] = cir.cast bitcast %[[RAW_PTR]] : !cir.ptr<!void> -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[COOKIE_PTR:.*]] = cir.cast bitcast %[[COOKIE_PTR_BASE]] : !cir.ptr<!cir.ptr<!u8i>> -> !cir.ptr<!u64i> +// CHECK: cir.store align(8) %[[#NUM_ELEMENTS]], %[[COOKIE_PTR]] : !u64i, !cir.ptr<!u64i> +// CHECK: %[[#COOKIE_SIZE:]] = cir.const #cir.int<8> : !s32i +// CHECK: %[[DATA_PTR_RAW:.*]] = cir.ptr_stride %[[COOKIE_PTR_BASE]], %[[#COOKIE_SIZE]] : (!cir.ptr<!cir.ptr<!u8i>>, !s32i) -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[DATA_PTR_VOID:.*]] = cir.cast bitcast %[[DATA_PTR_RAW]] : !cir.ptr<!cir.ptr<!u8i>> -> !cir.ptr<!void> +// CHECK: %[[DATA_PTR:.*]] = cir.cast bitcast %[[DATA_PTR_VOID]] : !cir.ptr<!void> -> !cir.ptr<!rec_C> +// CHECK: cir.store align(8) %[[DATA_PTR]], %[[P_ADDR]] : !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>> +// CHECK: cir.return +// CHECK: } + +// LLVM: @_Z26t_constant_size_nontrivialv() +// LLVM: %[[ALLOCA:.*]] = alloca ptr, i64 1, align 8 +// LLVM: %[[COOKIE_PTR:.*]] = call ptr @_Znam(i64 11) +// LLVM: store i64 3, ptr %[[COOKIE_PTR]], align 8 +// LLVM: %[[ALLOCATED_PTR:.*]] = getelementptr ptr, ptr %[[COOKIE_PTR]], i64 8 +// LLVM: store ptr %[[ALLOCATED_PTR]], ptr %[[ALLOCA]], align 8 + +// OGCG: @_Z26t_constant_size_nontrivialv() +// OGCG: %[[ALLOCA:.*]] = alloca ptr, align 8 +// OGCG: %[[COOKIE_PTR:.*]] = call noalias noundef nonnull ptr @_Znam(i64 noundef 11) +// OGCG: store i64 3, ptr %[[COOKIE_PTR]], align 8 +// OGCG: %[[ALLOCATED_PTR:.*]] = getelementptr inbounds i8, ptr %[[COOKIE_PTR]], i64 8 +// OGCG: store ptr %[[ALLOCATED_PTR]], ptr %[[ALLOCA]], align 8 + +class D { + public: + int x; + ~D(); +}; + +void t_constant_size_nontrivial2() { + auto p = new D[3]; +} + +// In this test SIZE_WITHOUT_COOKIE isn't used, but it would be if there were +// an initializer. + +// CHECK: cir.func{{.*}} @_Z27t_constant_size_nontrivial2v() +// CHECK: %[[P_ADDR:.*]] = cir.alloca !cir.ptr<!rec_D>, !cir.ptr<!cir.ptr<!rec_D>>, ["p", init] {alignment = 8 : i64} +// CHECK: %[[#NUM_ELEMENTS:]] = cir.const #cir.int<3> : !u64i +// CHECK: %[[#SIZE_WITHOUT_COOKIE:]] = cir.const #cir.int<12> : !u64i +// CHECK: %[[#ALLOCATION_SIZE:]] = cir.const #cir.int<20> : !u64i +// CHECK: %[[RAW_PTR:.*]] = cir.call @_Znam(%[[#ALLOCATION_SIZE]]) : (!u64i) -> !cir.ptr<!void> +// CHECK: %[[COOKIE_PTR_BASE:.*]] = cir.cast bitcast %[[RAW_PTR]] : !cir.ptr<!void> -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[COOKIE_PTR:.*]] = cir.cast bitcast %[[COOKIE_PTR_BASE]] : !cir.ptr<!cir.ptr<!u8i>> -> !cir.ptr<!u64i> +// CHECK: cir.store align(8) %[[#NUM_ELEMENTS]], %[[COOKIE_PTR]] : !u64i, !cir.ptr<!u64i> +// CHECK: %[[#COOKIE_SIZE:]] = cir.const #cir.int<8> : !s32i +// CHECK: %[[DATA_PTR_RAW:.*]] = cir.ptr_stride %[[COOKIE_PTR_BASE]], %[[#COOKIE_SIZE]] : (!cir.ptr<!cir.ptr<!u8i>>, !s32i) -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[DATA_PTR_VOID:.*]] = cir.cast bitcast %[[DATA_PTR_RAW]] : !cir.ptr<!cir.ptr<!u8i>> -> !cir.ptr<!void> +// CHECK: %[[DATA_PTR:.*]] = cir.cast bitcast %[[DATA_PTR_VOID]] : !cir.ptr<!void> -> !cir.ptr<!rec_D> +// CHECK: cir.store align(8) %[[DATA_PTR]], %[[P_ADDR]] : !cir.ptr<!rec_D>, !cir.ptr<!cir.ptr<!rec_D>> +// CHECK: cir.return +// CHECK: } + +// LLVM: @_Z27t_constant_size_nontrivial2v() +// LLVM: %[[ALLOCA:.*]] = alloca ptr, i64 1, align 8 +// LLVM: %[[COOKIE_PTR:.*]] = call ptr @_Znam(i64 20) +// LLVM: store i64 3, ptr %[[COOKIE_PTR]], align 8 +// LLVM: %[[ALLOCATED_PTR:.*]] = getelementptr ptr, ptr %[[COOKIE_PTR]], i64 8 +// LLVM: store ptr %[[ALLOCATED_PTR]], ptr %[[ALLOCA]], align 8 + +struct alignas(16) E { + int x; + ~E(); +}; + +void t_align16_nontrivial() { + auto p = new E[2]; +} + +// CHECK: cir.func{{.*}} @_Z20t_align16_nontrivialv() +// CHECK: %[[P_ADDR:.*]] = cir.alloca !cir.ptr<!rec_E>, !cir.ptr<!cir.ptr<!rec_E>>, ["p", init] {alignment = 8 : i64} +// CHECK: %[[#NUM_ELEMENTS:]] = cir.const #cir.int<2> : !u64i +// CHECK: %[[#SIZE_WITHOUT_COOKIE:]] = cir.const #cir.int<32> : !u64i +// CHECK: %[[#ALLOCATION_SIZE:]] = cir.const #cir.int<48> : !u64i +// CHECK: %[[RAW_PTR:.*]] = cir.call @_Znam(%[[#ALLOCATION_SIZE]]) : (!u64i) -> !cir.ptr<!void> +// CHECK: %[[COOKIE_PTR_BASE:.*]] = cir.cast bitcast %[[RAW_PTR]] : !cir.ptr<!void> -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[COOKIE_OFFSET:.*]] = cir.const #cir.int<8> : !s32i +// CHECK: %[[COOKIE_PTR_RAW:.*]] = cir.ptr_stride %[[COOKIE_PTR_BASE]], %[[COOKIE_OFFSET]] : (!cir.ptr<!cir.ptr<!u8i>>, !s32i) -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[COOKIE_PTR:.*]] = cir.cast bitcast %[[COOKIE_PTR_RAW]] : !cir.ptr<!cir.ptr<!u8i>> -> !cir.ptr<!u64i> +// CHECK: cir.store align(8) %[[#NUM_ELEMENTS]], %[[COOKIE_PTR]] : !u64i, !cir.ptr<!u64i> +// CHECK: %[[#COOKIE_SIZE:]] = cir.const #cir.int<16> : !s32i +// CHECK: %[[DATA_PTR_RAW:.*]] = cir.ptr_stride %[[COOKIE_PTR_BASE]], %[[#COOKIE_SIZE]] : (!cir.ptr<!cir.ptr<!u8i>>, !s32i) -> !cir.ptr<!cir.ptr<!u8i>> +// CHECK: %[[DATA_PTR_VOID:.*]] = cir.cast bitcast %[[DATA_PTR_RAW]] : !cir.ptr<!cir.ptr<!u8i>> -> !cir.ptr<!void> +// CHECK: %[[DATA_PTR:.*]] = cir.cast bitcast %[[DATA_PTR_VOID]] : !cir.ptr<!void> -> !cir.ptr<!rec_E> +// CHECK: cir.store align(8) %[[DATA_PTR]], %[[P_ADDR]] : !cir.ptr<!rec_E>, !cir.ptr<!cir.ptr<!rec_E>> +// CHECK: cir.return +// CHECK: } + +// LLVM: @_Z20t_align16_nontrivialv() +// LLVM: %[[ALLOCA:.*]] = alloca ptr, i64 1, align 8 +// LLVM: %[[RAW_PTR:.*]] = call ptr @_Znam(i64 48) +// LLVM: %[[COOKIE_PTR:.*]] = getelementptr ptr, ptr %[[RAW_PTR]], i64 8 +// LLVM: store i64 2, ptr %[[COOKIE_PTR]], align 8 +// LLVM: %[[ALLOCATED_PTR:.*]] = getelementptr ptr, ptr %[[RAW_PTR]], i64 16 +// LLVM: store ptr %[[ALLOCATED_PTR]], ptr %[[ALLOCA]], align 8 + +// OGCG: define{{.*}} void @_Z20t_align16_nontrivialv +// OGCG: %[[ALLOCA:.*]] = alloca ptr, align 8 +// OGCG: %[[RAW_PTR:.*]] = call noalias noundef nonnull ptr @_Znam(i64 noundef 48) +// OGCG: %[[COOKIE_PTR:.*]] = getelementptr inbounds i8, ptr %[[RAW_PTR]], i64 8 +// OGCG: store i64 2, ptr %[[COOKIE_PTR]], align 8 +// OGCG: %[[ALLOCATED_PTR:.*]] = getelementptr inbounds i8, ptr %[[RAW_PTR]], i64 16 +// OGCG: store ptr %[[ALLOCATED_PTR]], ptr %[[ALLOCA]], align 8 +// OGCG: ret void void t_new_multidim_constant_size() { auto p = new double[2][3][4]; 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