| // Linkage types of global variables |
| // RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir |
| // RUN: FileCheck %s -check-prefix=CIR --input-file %t.cir |
| // RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll |
| // RUN: FileCheck %s -check-prefix=LLVM --input-file %t-cir.ll |
| // RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll |
| // RUN: FileCheck %s -check-prefix=OGCG --input-file %t.ll |
| |
| // Note: The differences between CHECK and OGCG represent incorrect IR lowering |
| // with ClangIR enabled and will be fixed in a future patch. |
| |
| int aaaa; |
| // CIR: cir.global external @aaaa |
| // LLVM: @aaaa = dso_local global i32 0 |
| // OGCG: @aaaa = global i32 0 |
| |
| [[gnu::selectany]] int dddd; |
| // CIR: cir.global weak_odr @dddd |
| // LLVM: @dddd = weak_odr dso_local global i32 0 |
| // OGCG: @dddd = weak_odr global i32 0, comdat |
| |
| static int bbbb; |
| // CIR: cir.global internal @_ZL4bbbb |
| // LLVM: @_ZL4bbbb = internal global i32 0 |
| // OGCG: @_ZL4bbbb = internal global i32 0 |
| |
| inline int cccc; |
| // CIR: cir.global linkonce_odr @cccc |
| // LLVM: @cccc = linkonce_odr dso_local global i32 0 |
| // OGCG: @cccc = linkonce_odr global i32 0 |
| |
| // Force the global variables to be emitted |
| void reference_vars() { |
| bbbb; |
| cccc; |
| } |
