| // RUN: %clang_cc1 -triple x86_64-pc-win32 -emit-llvm %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=COFF %s |
| // COFF-DAG: @bar = external dso_local global i32 |
| // COFF-DAG: @weak_bar = extern_weak global i32 |
| // COFF-DAG: declare dso_local void @foo() |
| // COFF-DAG: @baz = dso_local global i32 42 |
| // COFF-DAG: define dso_local i32* @zed() |
| // COFF-DAG: @thread_var = external dso_local thread_local global i32 |
| // COFF-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // COFF-DAG: @import_var = external dllimport global i32 |
| // COFF-DAG: declare dllimport void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-w64-mingw32 -emit-llvm %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=MINGW %s |
| // MINGW-DAG: @bar = external global i32 |
| // MINGW-DAG: @weak_bar = extern_weak global i32 |
| // MINGW-DAG: declare dso_local void @foo() |
| // MINGW-DAG: @baz = dso_local global i32 42 |
| // MINGW-DAG: define dso_local i32* @zed() |
| // MINGW-DAG: @thread_var = external dso_local thread_local global i32 |
| // MINGW-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // MINGW-DAG: @import_var = external dllimport global i32 |
| // MINGW-DAG: declare dllimport void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm -mrelocation-model static %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=STATIC %s |
| // STATIC-DAG: @bar = external dso_local global i32 |
| // STATIC-DAG: @weak_bar = extern_weak dso_local global i32 |
| // STATIC-DAG: declare dso_local void @foo() |
| // STATIC-DAG: @baz = dso_local global i32 42 |
| // STATIC-DAG: define dso_local i32* @zed() |
| // STATIC-DAG: @thread_var = external thread_local global i32 |
| // STATIC-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // STATIC-DAG: @import_var = external dso_local global i32 |
| // STATIC-DAG: declare dso_local void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm -pic-is-pie -mpie-copy-relocations %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=PIE-COPY %s |
| // PIE-COPY-DAG: @bar = external dso_local global i32 |
| // PIE-COPY-DAG: @weak_bar = extern_weak global i32 |
| // PIE-COPY-DAG: declare void @foo() |
| // PIE-COPY-DAG: @baz = dso_local global i32 42 |
| // PIE-COPY-DAG: define dso_local i32* @zed() |
| // PIE-COPY-DAG: @thread_var = external thread_local global i32 |
| // PIE-COPY-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // PIE-COPY-DAG: @import_var = external dso_local global i32 |
| // PIE-COPY-DAG: declare void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm -pic-is-pie %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=PIE %s |
| // PIE-DAG: @bar = external global i32 |
| // PIE-DAG: @weak_bar = extern_weak global i32 |
| // PIE-DAG: declare void @foo() |
| // PIE-DAG: @baz = dso_local global i32 42 |
| // PIE-DAG: define dso_local i32* @zed() |
| // PIE-DAG: @thread_var = external thread_local global i32 |
| // PIE-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // PIE-DAG: @import_var = external global i32 |
| // PIE-DAG: declare void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm -mrelocation-model static -fno-plt %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=NOPLT %s |
| // NOPLT-DAG: @bar = external dso_local global i32 |
| // NOPLT-DAG: @weak_bar = extern_weak dso_local global i32 |
| // NOPLT-DAG: declare void @foo() |
| // NOPLT-DAG: @baz = dso_local global i32 42 |
| // NOPLT-DAG: define dso_local i32* @zed() |
| // NOPLT-DAG: @thread_var = external thread_local global i32 |
| // NOPLT-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // NOPLT-DAG: @import_var = external dso_local global i32 |
| // NOPLT-DAG: declare void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm -fno-plt -pic-is-pie -mpie-copy-relocations %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=PIE-COPY-NOPLT %s |
| // PIE-COPY-NOPLT-DAG: @bar = external dso_local global i32 |
| // PIE-COPY-NOPLT-DAG: @weak_bar = extern_weak global i32 |
| // PIE-COPY-NOPLT-DAG: declare void @foo() |
| // PIE-COPY-NOPLT-DAG: @baz = dso_local global i32 42 |
| // PIE-COPY-NOPLT-DAG: define dso_local i32* @zed() |
| // PIE-COPY-NOPLT-DAG: @thread_var = external thread_local global i32 |
| // PIE-COPY-NOPLT-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // PIE-COPY-NOPLT-DAG: @import_var = external dso_local global i32 |
| // PIE-COPY-NOPLT-DAG: declare void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm -pic-is-pie -fno-plt %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=PIE-NO-PLT %s |
| // RUN: %clang_cc1 -triple powerpc64le-pc-linux -emit-llvm -mrelocation-model static %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=PIE-NO-PLT %s |
| // PIE-NO-PLT-DAG: @bar = external global i32 |
| // PIE-NO-PLT-DAG: @weak_bar = extern_weak global i32 |
| // PIE-NO-PLT-DAG: declare void @foo() |
| // PIE-NO-PLT-DAG: @baz = dso_local global i32 42 |
| // PIE-NO-PLT-DAG: define dso_local i32* @zed() |
| // PIE-NO-PLT-DAG: @thread_var = external thread_local global i32 |
| // PIE-NO-PLT-DAG: @local_thread_var = dso_local thread_local global i32 42 |
| // PIE-NO-PLT-DAG: @import_var = external global i32 |
| // PIE-NO-PLT-DAG: declare void @import_func() |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm %s -o - | FileCheck -allow-deprecated-dag-overlap --check-prefix=SHARED %s |
| // SHARED-DAG: @bar = external global i32 |
| // SHARED-DAG: @weak_bar = extern_weak global i32 |
| // SHARED-DAG: declare void @foo() |
| // SHARED-DAG: @baz = global i32 42 |
| // SHARED-DAG: define i32* @zed() |
| // SHARED-DAG: @thread_var = external thread_local global i32 |
| // SHARED-DAG: @local_thread_var = thread_local global i32 42 |
| // PIE-NO-PLT-DAG: @import_var = external global i32 |
| // PIE-NO-PLT-DAG: declare void @import_func() |
| |
| __attribute__((dllimport)) extern int import_var; |
| __attribute__((dllimport)) void import_func(void); |
| |
| int *use_import() { |
| import_func(); |
| return &import_var; |
| } |
| |
| extern int bar; |
| __attribute__((weak)) extern int weak_bar; |
| void foo(void); |
| |
| int baz = 42; |
| int *zed() { |
| foo(); |
| return baz ? &weak_bar : &bar; |
| } |
| |
| extern __thread int thread_var; |
| __thread int local_thread_var = 42; |
| int *get_thread_var(int a) { |
| return a ? &thread_var : &local_thread_var; |
| } |