| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir \ |
| // RUN: -std=c++14 -fcxx-exceptions -fexceptions %s -o %t.cir |
| // RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm \ |
| // RUN: -std=c++14 -fcxx-exceptions -fexceptions %s -o %t-cir.ll |
| // RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm \ |
| // RUN: -std=c++14 -fcxx-exceptions -fexceptions %s -o %t.ll |
| // RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s |
| |
| struct S { |
| ~S(); |
| int x; |
| }; |
| |
| // Array new with a non-trivial destructor requires a cookie to store |
| // the element count. The cookie is 8 bytes (sizeof(size_t)) and the |
| // data pointer must be advanced by 8 bytes past the allocation, not |
| // by 8 * sizeof(ptr). |
| |
| S *allocArray(int n) { |
| return new S[n]; |
| } |
| |
| // CIR-LABEL: @_Z10allocArrayi |
| // CIR: %[[ALLOC:.*]] = cir.call @_Znam |
| // CIR: %[[BYTE_PTR:.*]] = cir.cast bitcast %[[ALLOC]] : !cir.ptr<!void> -> !cir.ptr<!u8i> |
| // CIR: %[[COOKIE_CAST:.*]] = cir.cast bitcast %[[BYTE_PTR]] : !cir.ptr<!u8i> -> !cir.ptr<!u64i> |
| // CIR: cir.store {{.*}} %[[COOKIE_CAST]] : !u64i, !cir.ptr<!u64i> |
| // CIR: %[[EIGHT:.*]] = cir.const #cir.int<8> : !s32i |
| // CIR: %[[DATA_PTR:.*]] = cir.ptr_stride %[[BYTE_PTR]], %[[EIGHT]] : (!cir.ptr<!u8i>, !s32i) -> !cir.ptr<!u8i> |
| |
| // LLVM-LABEL: @_Z10allocArrayi |
| // LLVM: %[[ALLOC:.*]] = call {{.*}} ptr @_Znam |
| // LLVM: store i64 %{{.*}}, ptr %[[ALLOC]], align 8 |
| // LLVM: %[[DATA:.*]] = getelementptr i8, ptr %[[ALLOC]], i64 8 |
| |
| // OGCG-LABEL: @_Z10allocArrayi |
| // OGCG: %[[ALLOC:.*]] = call {{.*}} ptr @_Znam |
| // OGCG: store i64 %{{.*}}, ptr %[[ALLOC]], align 8 |
| // OGCG: %[[DATA:.*]] = getelementptr inbounds i8, ptr %[[ALLOC]], i64 8 |
