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Since the upgrade to LLVM 13, the JIT infrastructure takes ownership
of the Module. After JIT compilation, we get back a (const) pointer
to the compiled module.
This fixes the Cling test ErrorRecovery/StoredState.C.
These headers are part of cling, not user code, so starting
with the current directory is pointless and can actually be
counterproductive.
This helps with https://github.com/root-project/root/issues/12409
but not enough; any dictionary header will still try to access "./".
This is required on RISC-V where Linux uses the lp64d ABI that allows
the usage of floating point registers to pass arguments. It seems to
work out-of-the-box upstream in clang-repl which passes through the
function initTargetOptions in clang/lib/CodeGen/BackendUtil.cpp with
the same effect.
RuntimeDyld does not support RISC-V, so it makes sense to enable
JITLink by default. This also makes relocations work without support
for a large code model.
See the equivalent change upstream in https://reviews.llvm.org/D129092,
committed for LLVM 15 in a4e2c1f762
The routines __aarch64_* are defined in the static library libgcc.a
and not necessarily included in libCling or otherwise present in the
process, so the interpreter has a hard time finding them.
Fixes#12294
Recent gcc updates somehow make experimental/string_view available through
module string_view. Then it wrongly decides it needs to include
"bits/ranges_base.h" which is a c++14 header and breaks the compilation in case
of c++11.
This patch adds a proper experimental/string_view to disallow such shadowing.
* Fix modules and modules.idx generation on Windows and disable a few more modules causing potential crashes
* Introduce a new TROOT::GetSharedLibDir() method to reduce the need of #ifdef R__WIN32
* Use the value of ROOT_GET_LIBRARY_OUTPUT_DIR instead of CMAKE_RUNTIME_OUTPUT_DIRECTORY (which is the same anyway)
* cleanup the code
* Remove unnecessary check
Otherwise LLJIT's constructor will ask the LLJITBuilder's JTMB to
create a DataLayout. As we don't propagate the JTMB (yet -- we
probably should!), this will be wrong if target features influence
the DataLayout.
This should fix#12293.
We know exactly which target triple and features the CompilerInstance
wants, we don't need to (and probably must not) second-guess that. This
brings us closer to upstream clang-repl and also includes the change of
https://reviews.llvm.org/D128853 which is crucial for RISC-V.
I missed this in commit 3ff7c1e8e2 and it seems to work by chance on
macOS, but this is needed on Linux: Before, CLING_JTLINK=1 on x86_64
complained about "Unspported personality pointer encoding 0x00" and
crashed entirely on RISC-V.
We introduce an enum which mirrors the type kind and we use it in the getAs and
castAs operations to allow the compiler/interpreter to see all of the functions
and potentially inline them.
This patch brings the performance to similar levels with what we have in the
master.
These interfaces assume we know the type and we should compare if the underlying
type is the one we expect when using the setters and getters. Unfortunately,
this is not the case and we need to further investigate.
This interface allows us to set a value and deduce its corresponding type very
efficiently. This is useful when we use cling::Value to model input arguments
for a function call in the JIT (eg. via TClingCallFunc).
That patch essentially makes cling::Value to hold a value and a type that
correctly models the compiled code.
The improvements are:
* We provide getX and setX interfaces instead of returning the address for the
non const methods. This allows us to be more consistent in terms of
lifetimes as now users cannot take the address of block of memory which can
be freed by the cling::Value.
* We remove the storage types and we rely on the clang::Type which we have in
the cling::Value.
Here we enumerate most of the builtin types and we the generate template
specializations for all of them which are capable to perform the correct
conversions.
The custom memory manager is only needed to avoid freeing the memory
segments; the default InProcessMemoryManager (which is mostly copied)
already does slab allocation to keep all segments together which is
needed for exception handling support.
A limitation of this rudimentary support is that CLING_DEBUG and
CLING_PROFILE do not work, they need to be registered as plugins.
Add missing `const` in `{DelayCall,MacroDirective}Info::operator==`
and `operator!=`. This fixes the following warnings in C++20
```
interpreter/cling/lib/Interpreter/Transaction.cpp:173:23: warning: ISO C++20 considers use of overloaded operator '!=' (with operand types 'cling::Transaction::DelayCallInfo' and 'cling::Transaction::DelayCallInfo') to be ambiguous despite there being a unique best viable function with non-reversed arguments [-Wambiguous-reversed-operator]
interpreter/cling/lib/Interpreter/Transaction.cpp:218:21: warning: ISO C++20 considers use of overloaded operator '==' (with operand types 'cling::Transaction::MacroDirectiveInfo' and 'cling::Transaction::MacroDirectiveInfo') to be ambiguous despite there being a unique best viable function [-Wambiguous-reversed-operator]
```
The bits/ headers have different include behavior (mostly due to ranges)
that makes it significantly harder to find a configuration working for
C++14, 17, and 20. Instead, create a dedicated modulemap for C++20.
llvm IR naming of private constants (CodeGenModule::createUnnamedGlobalFrom(),
line 1136) will name private symbols without caring about possible name clashes.
We will create these name clashes by marking such private symbols as weak ones,
re-using previously emitted symbols (e.g. in JITDylib::defineImpl() where they
get added to MUDefsOverridden and thus re-used instead of re-emitted).
Let me see what happens when we keep private symbols private. In principle, the
interpreter should have no means fo accessing them from another transaction -
private symbols seem to be function-local ones.
Fixes https://github.com/root-project/root/pull/12183
UNIX terminals, e.g. vt100, send escape sequences for many special
key combinations. Entering the history search mode assigned a specific
meaning to the ESC character and disabled the processing of escape
sequences, thus accidentally printing some characters that are part
of a CSI.
As a workaround, avoid changing the meaning of ESC; users can still
use the well-known `ESC ESC` sequence (or any other editor command,
e.g. move left/right) to exit the history search mode.
This change only affects UNIX terminals.
Closes issue #10209.
These commands, bound respectively to `ESC l` and `ESC u`, should {lower,upper}case
the next word; however, only the first character was changed.
Fixes#10136.
This editor command (usually binded to Ctrl+T), transposes the character located
at the cursor and the one to its left.
However, its behavior was incorrect if the cursor was at end of the line,
invoking `std::string::operator[]()` passing an index that is out of bounds.
In that case, as per GNU Readline behavior, it should swap the two last
characters.
Closes#10133.
This change is equivalent to the popular GNU Readline keybinding
```
"\e[3;5~": kill-word
```
As a requirement, the `[3;5~` CSI was added in StreamReaderUnix.cpp. No
additional changes required to StreamReaderWin.cpp.
Writes the `\033[2J\033[H` sequence to clear the visible part of the screen.
For Windows, this requires to temporarily enable processing of VT control
sequences.
Enable fast word movement à la Xterm (using Ctrl+Left and Ctrl+Right). Most
users coming from a GUI (GTK+, Win32, etc.) will find this convenient, but also
Archlinux users, given that the default `inputrc` file for GNU Readline providesthese bindings (see https://wiki.archlinux.org/title/Readline#Fast_word_movement).
