derek.holloway
7502bf64a4
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107 lines
5.3 KiB
C
107 lines
5.3 KiB
C
// This test is copied from clang/test/CodeGen/dso-local-executable.c with
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// unsupported targets, thread_local variables, and function checks removed.
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// These are here so we find this test when grepping for missing features.
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// cir::MissingFeatures::opGlobalThreadLocal()
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// Note: Unlike CIR doesn't set dso_local on function declarations. This is
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// a difference from classic codege in the STATIC checks.
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/// Static relocation model defaults to -fdirect-access-external-data and sets
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/// dso_local on most global objects.
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -mrelocation-model static %s -o - | FileCheck --check-prefix=STATIC %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -mrelocation-model static -fdirect-access-external-data %s -o - | FileCheck --check-prefix=STATIC %s
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// STATIC: @baz = dso_local global i32 42
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// STATIC-NEXT: @import_var = external dso_local global i32
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// STATIC-NEXT: @weak_bar = extern_weak dso_local global i32
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// STATIC-NEXT: @bar = external dso_local global i32
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// STATIC-DAG: declare void @foo()
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// STATIC-DAG: define dso_local ptr @zed()
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// STATIC-DAG: declare void @import_func()
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/// If -fno-direct-access-external-data is set, drop dso_local from global variable
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/// declarations.
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -mrelocation-model static -fno-direct-access-external-data %s -o - | FileCheck --check-prefix=STATIC-INDIRECT %s
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// STATIC-INDIRECT: @baz = dso_local global i32 42
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// STATIC-INDIRECT-NEXT: @import_var = external global i32
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// STATIC-INDIRECT-NEXT: @weak_bar = extern_weak global i32
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// STATIC-INDIRECT-NEXT: @bar = external global i32
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// STATIC-INDIRECT-DAG: declare void @import_func()
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// STATIC-INDIRECT-DAG: define dso_local ptr @zed()
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// STATIC-INDIRECT-DAG: declare void @foo()
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -pic-level 1 -pic-is-pie %s -o - | FileCheck --check-prefix=PIE %s
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// PIE: @baz = dso_local global i32 42
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// PIE-NEXT: @import_var = external global i32
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// PIE-NEXT: @weak_bar = extern_weak global i32
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// PIE-NEXT: @bar = external global i32
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// PIE-DAG: declare void @foo()
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// PIE-DAG: define dso_local ptr @zed()
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// PIE-DAG: declare void @import_func()
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -pic-level 1 -pic-is-pie -fdirect-access-external-data %s -o - | FileCheck --check-prefix=PIE-DIRECT %s
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// PIE-DIRECT: @baz = dso_local global i32 42
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// PIE-DIRECT-NEXT: @import_var = external dso_local global i32
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// PIE-DIRECT-NEXT: @weak_bar = extern_weak global i32
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// PIE-DIRECT-NEXT: @bar = external dso_local global i32
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// PIE-DIRECT-DAG: declare void @foo()
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// PIE-DIRECT-DAG: define dso_local ptr @zed()
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// PIE-DIRECT-DAG: declare void @import_func()
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -mrelocation-model static -fno-plt %s -o - | FileCheck --check-prefix=NOPLT %s
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// NOPLT: @baz = dso_local global i32 42
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// NOPLT-NEXT: @import_var = external dso_local global i32
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// NOPLT-NEXT: @weak_bar = extern_weak dso_local global i32
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// NOPLT-NEXT: @bar = external dso_local global i32
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// NOPLT-DAG: declare void @foo()
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// NOPLT-DAG: define dso_local ptr @zed()
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// NOPLT-DAG: declare void @import_func()
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -fno-plt -pic-level 1 -pic-is-pie -fdirect-access-external-data %s -o - | FileCheck --check-prefix=PIE-DIRECT-NOPLT %s
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// PIE-DIRECT-NOPLT: @baz = dso_local global i32 42
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// PIE-DIRECT-NOPLT-NEXT: @import_var = external dso_local global i32
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// PIE-DIRECT-NOPLT-NEXT: @weak_bar = extern_weak global i32
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// PIE-DIRECT-NOPLT-NEXT: @bar = external dso_local global i32
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// PIE-DIRECT-NOPLT-DAG: declare void @foo()
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// PIE-DIRECT-NOPLT-DAG: define dso_local ptr @zed()
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// PIE-DIRECT-NOPLT-DAG: declare void @import_func()
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -pic-level 1 -pic-is-pie -fno-plt %s -o - | FileCheck --check-prefix=PIE-NO-PLT %s
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// RUN: %clang_cc1 -triple powerpc64le -fclangir -emit-llvm -mrelocation-model static %s -o - | FileCheck --check-prefix=PIE-NO-PLT %s
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// PIE-NO-PLT: @baz = dso_local global i32 42
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// PIE-NO-PLT-NEXT: @import_var = external global i32
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// PIE-NO-PLT-NEXT: @weak_bar = extern_weak global i32
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// PIE-NO-PLT-NEXT: @bar = external global i32
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// PIE-NO-PLT-DAG: declare void @import_func()
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// PIE-NO-PLT-DAG: define dso_local ptr @zed()
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// PIE-NO-PLT-DAG: declare void @foo()
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/// -fdirect-access-external-data is currently ignored for -fPIC.
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -pic-level 2 %s -o - | FileCheck --check-prefix=SHARED %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -pic-level 2 -fdirect-access-external-data %s -o - | FileCheck --check-prefix=SHARED %s
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// SHARED-DAG: @bar = external global i32
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// SHARED-DAG: @weak_bar = extern_weak global i32
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// SHARED-DAG: declare void @foo()
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// SHARED-DAG: @baz ={{.*}} global i32 42
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// SHARED-DAG: define{{.*}} ptr @zed()
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int baz = 42;
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__attribute__((dllimport)) extern int import_var;
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__attribute__((weak)) extern int weak_bar;
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extern int bar;
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__attribute__((dllimport)) void import_func(void);
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int *use_import(void) {
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import_func();
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return &import_var;
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}
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void foo(void);
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int *zed(void) {
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foo();
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if (baz)
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return &weak_bar;
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return &bar;
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}
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