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Conflicts:
* cmake/Findclang.cmake
* cmake/Findlld.cmake
* cmake/Findllvm.cmake
In master branch, more search paths were added to these files with "12"
in the path. In this commit I updated them to "13".
* src/stage1/codegen.cpp
* src/zig_llvm.cpp
* src/zig_llvm.h
In master branch, ZigLLVMBuildCmpXchg is improved to add
`is_single_threaded`. However, the LLVM 13 C API has this already, and
in the llvm13 branch, ZigLLVMBuildCmpXchg is deleted in favor of the C
API. In this commit I updated stage2 to use the LLVM 13 C API rather
than depending on an improved ZigLLVMBuildCmpXchg.
Additionally, src/target.zig largestAtomicBits needed to be updated to
include the new m68k ISA.
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* Implement Sema for `@cmpxchgWeak` and `@cmpxchgStrong`. Both runtime
and comptime codepaths are implement.
* Implement Codegen for LLVM backend and C backend.
* Add LazySrcLoc.node_offset_builtin_call_argX 3...5
* Sema: rework comptime control flow.
- `error.ComptimeReturn` is used to signal that a comptime function
call has returned a result (stored in the Inlining struct).
`analyzeCall` notices this and handles the result.
- The ZIR instructions `break_inline`, `block_inline`,
`condbr_inline` are now redundant and can be deleted. `break`,
`block`, and `condbr` function equivalently inside a comptime scope.
- The ZIR instructions `loop` and `repeat` also are modified to
directly perform comptime control flow inside a comptime scope,
skipping an unnecessary mechanism for analysis of runtime code.
This makes Zig perform closer to an interpreter when evaluating
comptime code.
* Sema: zirRetErrValue looks at Sema.ret_fn_ty rather than sema.func
for adding to the inferred error set. This fixes a bug for
inlined/comptime function calls.
* Implement ZIR printing for cmpxchg.
* stage1: make cmpxchg respect --single-threaded
- Our LLVM C++ API wrapper failed to expose this boolean flag before.
* Fix AIR printing for struct fields showing incorrect liveness data.
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- adds 1 simple behavior tests for each
which does integer and vector ops at
runtime and comptime
- adds bigint_*_sat() methods for each
- use CreateIntrinsic() which accepts a
variable number of arguments to pass
the scale parameter
* update langref
- added case to test/compile_errors.zig given floats
- explain upstream bug in llvm.smul.fix.sat and link to #9643 in langref and commented out test cases
* sat-arithmetic: skip mul tests if arch == .wasm32 because ci is erroring with 'LLVM ERROR: Unable to expand fixed point multiplication' when compiling for wasm32
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* Added doc comments for `std.Target.ObjectFormat` enum
* `std.Target.oFileExt` is removed because it is incorrect for Plan-9
targets. Instead, use `std.Target.ObjectFormat.fileExt` and pass a
CPU architecture.
* Added `Compilation.Directory.joinZ` for when a null byte is desired.
* Improvements to `Compilation.create` logic for computing `use_llvm`
and reporting errors in contradictory flags. `-femit-llvm-ir` and
`-femit-llvm-bc` will now imply `-fLLVM`.
* Fix compilation when passing `.bc` files on the command line.
* Improvements to the stage2 LLVM backend:
- cleaned up error messages and error reporting. Properly bubble up
some errors rather than dumping to stderr; others turn into panics.
- properly call ZigLLVMCreateTargetMachine and
ZigLLVMTargetMachineEmitToFile and implement calculation of the
respective parameters (cpu features, code model, abi name, lto,
tsan, etc).
- LLVM module verification only runs in debug builds of the compiler
- use LLVMDumpModule rather than printToString because in the case
that we incorrectly pass a null pointer to LLVM it may crash during
dumping the module and having it partially printed is helpful in
this case.
- support -femit-asm, -fno-emit-bin, -femit-llvm-ir, -femit-llvm-bc
- Support LLVM backend when used with Mach-O and WASM linkers.
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including:
* finding lldMachO in CMake config
* punting `ld64.lld` to LLD linker
* providing bindings to LLD linker
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This is needed for LTO builds to pick up the correct module.
Closes #9132
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LLVM time profiler can collect time traces and present them in a
hierarchical view. Which breakdowns the time spent in each Pass or even
IR unit. The result is also exported into a format that can be easily
visualized by the Chrome browser.
Currently this features is controlled by the following environment
variables:
- `ZIG_LLVM_TIME_TRACE_FILE` toggles this feature and specifies the
output time trace file.
- `ZIG_LLVM_TIME_TRACE_GRANULARITY` controls the time granularity in
ms (default to 500).
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Use `PassBuilder::buildO0DefaultPipeline` to build pipeline for -O0
in replacement of `PassBuilder::buildPerModuleDefaultPipeline`. This
affects both normal and LTO settings.
Two redundant Passes - which were added by accident - were also removed
from LTO pipeline.
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This reverts commit 09008125e7944ae01bb907f2eb8dbff41d7a0715.
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The missing initializer for a single field in the TargetOptions class
was enough to turn the stack protectors into hot garbage.
Fixes #8408
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See #8418
This reverts commit ba1bea2fe87b73a53a3ecd729789853dcc56affe.
This reverts commit 94383d14df77fa638dac14f4b2bda5a2e3f21c5c.
This reverts commit 0d53a2bff01750f9220bcc861d662b2c5f304506.
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- Enable MergeFunctionsPass in non-debug build.
- Verify input and output IR when the assertion is turned on.
- Add AlwaysInlinePass in debug build.
- Add more comments.
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Now zig will use new PM for optimization by default.
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Without this, the LLVM IR that zig generates cannot be compiled by LLVM.
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LLVM12 deprecated `sret` and replaced it with the `sret(<Ty>)` form.
Closes #8075
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This reverts commit 685b5c26b703d54381a74b71361816ad85ec8584.
@LemonBoy has a better patch, so reverting this to merge that one.
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LLVM 12 requires sret attributes to have the struct type as a parameter,
and provides no C function for supplying it. Therefore, we must add
another C++ wrapper API for adding the sret attribute.
Fixes ability to build from source in the llvm12 branch.
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Conflicts:
* src/clang.zig
* src/llvm.zig
- this file got moved to src/llvm/bindings.zig in master branch so I
had to put the new LLVM arch/os enum tags into it.
* lib/std/target.zig, src/stage1/target.cpp
- haiku had an inconsistency with its default target ABI, gnu vs
eabi. In this commit we make it gnu in both places to match the
latest changes by @hoanga.
* src/translate_c.zig
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The CLI gains -flto and -fno-lto options to override the default.
However, the cool thing about this is that the defaults are great! In
general when you use build-exe in release mode, Zig will enable LTO if
it would work and it would help.
zig cc supports detecting and honoring the -flto and -fno-lto flags as
well. The linkWithLld functions are improved to all be the same with
regards to copying the artifact instead of trying to pass single objects
through LLD with -r. There is possibly a future improvement here as
well; see the respective TODOs.
stage1 is updated to support outputting LLVM bitcode instead of machine
code when lto is enabled. This allows LLVM to optimize across the Zig and
C/C++ code boundary.
closes #2845
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Include updates to corresponding zig sources
llvm commit b2851aea80e5a8f0cfd6c3c5a56a6b00fb28c6b6
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Closes #3825
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Conflicts:
lib/std/dynamic_library.zig (fixed in this commit)
src/all_types.hpp
src/codegen.cpp
src/link.cpp
src/main.cpp
Will manually apply the diffs to these deleted files to the new zig
code in a followup commit.
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This was brought to the horizon when using zig-bootstrap to cross compile
Zig for windows-gnu.
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This mimics clang's default behavior.
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Conflicts:
cmake/Findllvm.cmake
The llvm11 branch changed 10's to 11's and master branch added the
"using LLVM_CONFIG_EXE" help message, so the resolution was to merge
these changes together.
I also added a check to make sure LLVM is built with AVR enabled, which
is no longer an experimental target.
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The builtin folds a Vector(N,T) into a scalar T using a specified
operator.
Closes #2698
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The changes to install_files.h needed to put into src/libcxx.zig
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Before, this would cause a link failure when mixing Zig and C code for
RISC-V targets.
Now, the ABIs match and Zig and C code can be mixed successfully.
I will file a follow-up issue for the ability to deal more explicitly
with ABIs.
closes #4863
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example: zig build-obj test.zig -femit-llvm-ir -femit-asm
this will generate all three: test.o test.s test.ll
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tests use older sub-arch that works in the older qemu
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