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rust/tests/codegen/staticlib-external-inline-fns.rs

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Export all fns with extern indicator
2020-06-08 03:37:11 -05:00
// compile-flags: -C no-prepopulate-passes
#![crate_type = "staticlib"]
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @a()
Export all fns with extern indicator
2020-06-08 03:37:11 -05:00
#[no_mangle]
#[inline]
pub extern "C" fn a() {}
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @b()
Export all fns with extern indicator
2020-06-08 03:37:11 -05:00
#[export_name = "b"]
#[inline]
pub extern "C" fn b() {}
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @c()
Export all fns with extern indicator
2020-06-08 03:37:11 -05:00
#[no_mangle]
#[inline]
extern "C" fn c() {}
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @d()
Export all fns with extern indicator
2020-06-08 03:37:11 -05:00
#[export_name = "d"]
#[inline]
extern "C" fn d() {}
Fix exports with `#[inline(always)]`
2020-06-09 09:49:59 -05:00
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @e()
Fix exports with `#[inline(always)]`
2020-06-09 09:49:59 -05:00
#[no_mangle]
#[inline(always)]
pub extern "C" fn e() {}
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @f()
Fix exports with `#[inline(always)]`
2020-06-09 09:49:59 -05:00
#[export_name = "f"]
#[inline(always)]
pub extern "C" fn f() {}
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @g()
Fix exports with `#[inline(always)]`
2020-06-09 09:49:59 -05:00
#[no_mangle]
#[inline(always)]
extern "C" fn g() {}
Manually set dso_local when its valid to do so This should have no real effect in most cases, as e.g. `hidden` visibility already implies `dso_local` (or at least LLVM IR does not preserve the `dso_local` setting if the item is already `hidden`), but it should fix `-Crelocation-model=static` and improve codegen in executables. Note that this PR does not exhaustively port the logic in [clang]. Only the obviously correct portion and what is necessary to fix a regression from LLVM 12 that relates to `-Crelocation_model=static`. Fixes #83335 [clang]: https://github.com/llvm/llvm-project/blob/3001d080c813da20b329303bf8f45451480e5905/clang/lib/CodeGen/CodeGenModule.cpp#L945-L1039
2021-03-27 17:11:24 -05:00
// CHECK: define{{.*}}void @h()
Fix exports with `#[inline(always)]`
2020-06-09 09:49:59 -05:00
#[export_name = "h"]
#[inline(always)]
extern "C" fn h() {}
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