| // RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir |
| // RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR |
| // RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll |
| // RUN: FileCheck --input-file=%t-cir.ll %s --check-prefix=LLVM |
| // RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll |
| // RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG |
| |
| // Should constant initialize global with constant address. |
| int var = 1; |
| int *constAddr = &var; |
| |
| // CIR: cir.global external @constAddr = #cir.global_view<@var> : !cir.ptr<!s32i> |
| |
| // LLVM: @constAddr = global ptr @var, align 8 |
| |
| // OGCG: @constAddr = global ptr @var, align 8 |
| |
| // Should constant initialize global with constant address. |
| int f(); |
| int (*constFnAddr)() = f; |
| |
| // CIR: cir.global external @constFnAddr = #cir.global_view<@_Z1fv> : !cir.ptr<!cir.func<() -> !s32i>> |
| |
| // LLVM: @constFnAddr = global ptr @_Z1fv, align 8 |
| |
| // OGCG: @constFnAddr = global ptr @_Z1fv, align 8 |
| |
| int arr[4][16]; |
| int *constArrAddr = &arr[2][1]; |
| |
| // CIR: cir.global external @constArrAddr = #cir.global_view<@arr, [2 : i32, 1 : i32]> : !cir.ptr<!s32i> |
| |
| // The 'inbounds' and 'nuw' flags are inferred by LLVM's constant folder. The |
| // same flags show up at -O1 in OGCG. |
| // LLVM: @constArrAddr = global ptr getelementptr inbounds nuw (i8, ptr @arr, i64 132), align 8 |
| |
| // OGCG: @constArrAddr = global ptr getelementptr (i8, ptr @arr, i64 132), align 8 |