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`stage2_spirv64` -> `stage2_spirv`
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we can run `std.debug.print` now, with both run-time strings and integers!
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Reorganize how the binOp and genBinOp functions work.
I've spent quite a while here reading exactly through the spec and so many
tests are enabled because of several critical issues the old design had.
There are some regressions that will take a long time to figure out individually
so I will ignore them for now, and pray they get fixed by themselves. When
we're closer to 100% passing is when I will start diving into them one-by-one.
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i just hadn't realized that I placed the `riscv_start` branch in the non-simplified
starts
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Some tests are now failing due to debug info changes, some tests
now pass due to improved compiler functionality.
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Closes #8952
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Signed-off-by: Eric Joldasov <bratishkaerik@getgoogleoff.me>
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This lets us generate the store with knowledge of the type to be stored.
Therefore, we can avoid generating garbage Air with stores through
pointers to comptime-only types which backends cannot lower.
Closes #13410
Closes #15122
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Note that this commit also changes the layout of optional for all
other backends using `src/codegen.zig` without updating them!
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also enables many passing behavior tests
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Const allocs don't make any sense, make_ptr_const handles making
the pointers not mutable.
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Can be changed to `!inst_ty.hisRuntimeBitsIgnoreComptime()` when the
"result location with inferred type ends up being pointer to comptime_int"
test stops producing Air containing a `bitcast(*comptime_int, ...)`.
See #13410
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It did not handle properly when the dummy operand was a comptime_int; it
was crashing in coerce because comptime_int is supposed to be
comptime-known. So when calling coerceResultPtr, we pass the actual
operand, not a dummy operand, which means it will have the proper
comptime value when necessary.
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Previously, the logic for analyzing coerce_result_ptr would generate
invalid bitcast instructions which did not include coercion logic, such
as optional wrapping, resulting in miscompilations.
Now, the logic of resolve_inferred_alloc goes back over all the
placeholders inserted by coerce_result_ptr, and replaces them with logic
doing the proper coercions.
Closes #12045
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This reverts commit 8bf3e1f8d0902abd4133e2729b3625c25011c3ff, which
introduced miscompilations for peer expressions any time they needed
coercions to runtime types.
I opened #11957 as a proposal to accomplish the goal of the reverted
commit.
Closes #11898
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* airSlice
* airArrayToSlice
* and initial support for airSlicePtr and co
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* Sema: resolve type fully when emitting an alloc AIR instruction to
avoid tripping assertion for checking struct field alignment.
* LLVM backend: keep a reference to the LLVM target data alive during
lowering so that we can ask LLVM what it thinks the ABI alignment
and size of LLVM types are. We need this in order to lower tuples and
structs so that we can put in extra padding bytes when Zig disagrees
with LLVM about the size or alignment of something.
* LLVM backend: make the LLVM struct type packed that contains the most
aligned union field and the padding. This prevents the struct from
being too big according to LLVM. In the future, we may want to
consider instead emitting unions in a "flat" manner; putting the tag,
most aligned union field, and padding all in the same struct field
space.
* LLVM backend: make structs with 2 or fewer fields return isByRef=false.
This results in more efficient codegen. This required lowering of
bitcast to sometimes store the struct into an alloca, ptrcast, and
then load because LLVM does not allow bitcasting structs.
* enable more passing behavior tests.
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Every test that is moved in this commit has been checked to see if it is
now passing.
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The ensureUnusedCapacity did not reserve a big enough number. I changed
it to no longer guess the capacity because I saw that the number of
possible items was not determinable ahead of time and this can therefore
avoid allocating more memory than necessary.
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Companion commit to 61a53a587558ff1fe1b0ec98bb424022885edccf.
This commit also moves over a bunch of behavior test cases to the
passing-for-stage2 section.
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Before, the system to replace a result location pointer with a
traditional break instruction did not notice the case when one of the
bodies was unreachable. Now, the emitted ZIR code is improved and
simplified in this case, resulting in a new passing behavior test.
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* Value: rename `error_union` to `eu_payload` and clarify the intended
usage in the doc comments. The way error unions is represented with
Value is fixed to not have ambiguous values.
* Fix codegen for error union constants in all the backends.
* Implement the AIR instructions having to do with error unions in the
LLVM backend.
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Conflicts:
* doc/langref.html.in
* lib/std/enums.zig
* lib/std/fmt.zig
* lib/std/hash/auto_hash.zig
* lib/std/math.zig
* lib/std/mem.zig
* lib/std/meta.zig
* test/behavior/alignof.zig
* test/behavior/bitcast.zig
* test/behavior/bugs/1421.zig
* test/behavior/cast.zig
* test/behavior/ptrcast.zig
* test/behavior/type_info.zig
* test/behavior/vector.zig
Master branch added `try` to a bunch of testing function calls, and some
lines also had changed how to refer to the native architecture and other
`@import("builtin")` stuff.
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And fix test cases to make them pass. This is in preparation for
starting to pass behavior tests with self-hosted.
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