rust/codegen at 20c622e4564bed8f6e4f9ef8b05c3a004d45e6f8 - rust

History

bors df4379b4eb Auto merge of #116510 - scottmcm:no-1-simd-v2, r=compiler-errors Copy 1-element arrays as scalars, not vectors For `[T; 1]` it's silly to copy as `<1 x T>` when we can just copy as `T`. Inspired by https://github.com/rust-lang/rust/issues/101210#issuecomment-1732470941, which pointed out that `Option<[u8; 1]>` was codegenning worse than `Option<u8>`. (I'm not sure why LLVM doesn't optimize out `<1 x u8>`, but might as well just not emit it in the first place in this codepath.) --- I think I bit off too much in #116479; let me try just the scalar case first. r? `@ghost`		2023-10-12 18:45:01 +00:00
..
auxiliary
avr
cffi
dllimports
enum
instrument-xray
intrinsics
issues	adjust how closure/generator types and rvalues are printed	2023-09-21 22:20:58 +02:00
lib-optimizations	restrict test to x86-64	2023-09-02 13:42:58 +02:00
loongarch-abi	tests: Fix tests for LoongArch64	2023-08-18 14:56:53 +08:00
macos	Raise minimum supported macOS to 10.12	2023-09-23 19:14:25 -05:00
naked-fn
non-terminate
remap_path_prefix
repr	add support for rustc_abi(assert_eq) and use it to test some repr(transparent) cases	2023-09-07 09:14:29 +02:00
riscv-abi
sanitizer	Fix test on targets with crt-static default	2023-09-22 18:13:00 +02:00
simd	Add a wishlist FIXME	2023-10-06 07:05:09 +00:00
simd-intrinsic
src-hash-algorithm
unwind-abis
aarch64-struct-align-128.rs
abi-efiapi.rs
abi-main-signature-16bit-c-int.rs
abi-main-signature-32bit-c-int.rs
abi-repr-ext.rs
abi-sysv64.rs
abi-x86_64_sysv.rs
abi-x86-interrupt.rs
addr-of-mutate.rs
adjustments.rs
align-byval-vector.rs
align-byval.rs
align-enum.rs
align-fn.rs
align-offset.rs
align-struct.rs
alloc-optimisation.rs
array-clone.rs
array-codegen.rs	Copy 1-element arrays as scalars, not vectors	2023-10-07 00:10:32 -07:00
array-equality.rs
array-map.rs
array-optimized.rs	Copy 1-element arrays as scalars, not vectors	2023-10-07 00:10:32 -07:00
ascii-char.rs
asm-clobber_abi.rs
asm-clobbers.rs
asm-may_unwind.rs
asm-maybe-uninit.rs	Allow MaybeUninit in input and output of inline assembly	2023-08-23 21:57:18 +09:00
asm-multiple-options.rs
asm-options.rs
asm-powerpc-clobbers.rs
asm-sanitize-llvm.rs
asm-target-clobbers.rs
async-fn-debug-awaitee-field.rs	Make test more robust to opts.	2023-09-23 13:47:30 +00:00
async-fn-debug-msvc.rs
async-fn-debug.rs
atomic-operations.rs
autovectorize-f32x4.rs
binary-search-index-no-bound-check.rs
bool-cmp.rs
box-uninit-bytes.rs	add regression test for not memcpying padding bytes	2023-08-22 15:10:56 +02:00
bpf-alu32.rs
branch-protection.rs
call-llvm-intrinsics.rs
call-metadata.rs
catch-unwind.rs
cdylib-external-inline-fns.rs
cf-protection.rs
cfguard-checks.rs
cfguard-disabled.rs
cfguard-nochecks.rs
cfguard-non-msvc.rs
codemodels.rs
coercions.rs
cold-call-declare-and-call.rs	Use `preserve_mostcc` for `extern "rust-cold"`	2023-08-26 17:42:59 -07:00
comparison-operators-2-tuple.rs
comparison-operators-newtype.rs
const_scalar_pair.rs
consts.rs
dealloc-no-unwind.rs
debug-alignment.rs
debug-column-msvc.rs
debug-column.rs
debug-compile-unit-path.rs
debug-fndef-size.rs	Ignore MSVC in test.	2023-10-08 16:45:45 +00:00
debug-limited.rs
debug-line-directives-only.rs
debug-line-tables-only.rs
debug-linkage-name.rs
debug-vtable.rs
debuginfo-constant-locals.rs
debuginfo-generic-closure-env-names.rs
debuginfo-inline-callsite-location.rs	Deduplicate inlined function debug info, but create a new lexical scope to child subsequent scopes and variables from colliding	2023-09-01 14:27:21 -07:00
deduced-param-attrs.rs
default-requires-uwtable.rs
drop-in-place-noalias.rs
drop.rs
dst-vtable-align-nonzero.rs
dst-vtable-size-range.rs
enable-lto-unit-splitting.rs
export-no-mangle.rs
external-no-mangle-fns.rs
external-no-mangle-statics.rs
fastcall-inreg.rs
fatptr.rs
fewer-names.rs
float_math.rs
fn-impl-trait-self.rs
foo.s
force-frame-pointers.rs
force-no-unwind-tables.rs
force-unwind-tables.rs
frame-pointer.rs
function-arguments-noopt.rs
function-arguments.rs
gdb_debug_script_load.rs
generator-debug-msvc.rs
generator-debug.rs
generic-debug.rs
global_asm_include.rs
global_asm_x2.rs
global_asm.rs
inherit_overflow.rs
inline-always-works-always.rs
inline-debuginfo.rs
inline-function-args-debug-info.rs
inline-hint.rs
instrument-coverage.rs
instrument-mcount.rs
integer-cmp.rs
integer-overflow.rs
internalize-closures.rs
intrinsic-no-unnamed-attr.rs
issue-97217.rs	Limit to LLVM 17.0.2 to work around WinEH codegen bug	2023-10-02 11:06:38 +02:00
iter-repeat-n-trivial-drop.rs
layout-size-checks.rs
lifetime_start_end.rs
link_section.rs
link-dead-code.rs
llvm-ident.rs
loads.rs
local-generics-in-exe-internalized.rs
lto-removes-invokes.rs
mainsubprogram.rs
mainsubprogramstart.rs
match-optimized.rs
match-optimizes-away.rs
match-unoptimized.rs
mem-replace-big-type.rs
mem-replace-simple-type.rs	Stop emitting non-power-of-two vectors in basic LLVM codegen	2023-08-25 20:06:57 -07:00
merge-functions.rs
method-declaration.rs	Add test for method debuginfo declaration.	2023-08-12 21:27:46 +08:00
mir_zst_stores.rs
mir-inlined-line-numbers.rs
move-before-nocapture-ref-arg.rs	add codegen test for #107436	2023-08-26 18:14:47 +09:00
move-operands.rs
no_builtins-at-crate.rs
no-assumes-on-casts.rs
no-dllimport-w-cross-lang-lto.rs
no-jump-tables.rs
no-plt.rs
noalias-box-off.rs
noalias-box.rs
noalias-flag.rs
noalias-refcell.rs
noalias-rwlockreadguard.rs
noalias-unpin.rs
noreturn-uninhabited.rs
noreturnflag.rs
nounwind.rs
nrvo.rs
optimize-attr-1.rs
option-as-slice.rs
option-nonzero-eq.rs
packed.rs
panic-abort-windows.rs
panic-in-drop-abort.rs
panic-unwind-default-uwtable.rs
personality_lifetimes.rs
pgo-counter-bias.rs
pgo-instrumentation.rs
pic-relocation-model.rs
pie-relocation-model.rs
ptr-arithmetic.rs	Tell LLVM that the negation in `<*const T>::sub` cannot overflow	2023-08-10 23:00:39 -07:00
ptr-read-metadata.rs
README.md
refs.rs
repeat-trusted-len.rs
scalar-pair-bool.rs
set-discriminant-invalid.rs
slice_as_from_ptr_range.rs
slice-as_chunks.rs	update tests that are ignored by debug	2023-09-01 04:01:54 +08:00
slice-indexing.rs
slice-init.rs
slice-iter-fold.rs
slice-iter-len-eq-zero.rs
slice-iter-nonnull.rs	update tests that are ignored by debug	2023-09-01 04:01:54 +08:00
slice-position-bounds-check.rs
slice-ref-equality.rs	Bless codegen tests.	2023-08-17 18:28:33 +00:00
slice-reverse.rs
slice-windows-no-bounds-check.rs
some-abis-do-extend-params-to-32-bits.rs
some-global-nonnull.rs
sparc-struct-abi.rs
split-lto-unit.rs
sroa-fragment-debuginfo.rs	Restrict test to x86_64.	2023-08-26 22:55:52 +00:00
sse42-implies-crc32.rs
stack-probes-call.rs
stack-probes-inline.rs
stack-protector.rs
static-relocation-model-msvc.rs
staticlib-external-inline-fns.rs
stores.rs
swap-large-types.rs
swap-small-types.rs	Stop emitting non-power-of-two vectors in basic LLVM codegen	2023-08-25 20:06:57 -07:00
target-cpu-on-functions.rs
target-feature-inline-closure.rs
target-feature-overrides.rs
thread-local.rs
tied-features-strength.rs
to_vec.rs
trailing_zeros.rs	add codegen test for issue 107554	2023-08-16 14:04:05 +09:00
transmute-optimized.rs
transmute-scalar.rs
try_identity.rs
try_question_mark_nop.rs
tune-cpu-on-functions.rs
tuple-layout-opt.rs	Remove some wasm/emscripten ignores	2023-08-25 19:48:20 -04:00
unchecked_shifts.rs
unchecked-float-casts.rs
uninit-consts.rs
union-abi.rs
unwind-and-panic-abort.rs
unwind-extern-exports.rs
unwind-extern-imports.rs
unwind-landingpad-cold.rs	Limit to LLVM 17.0.2 to work around WinEH codegen bug	2023-10-02 11:06:38 +02:00
unwind-landingpad-inline.rs	Limit to LLVM 17.0.2 to work around WinEH codegen bug	2023-10-02 11:06:38 +02:00
used_with_arg.rs
var-names.rs
vec-as-ptr.rs
vec-calloc.rs
vec-in-place.rs
vec-iter-collect-len.rs
vec-optimizes-away.rs
vec-shrink-panik.rs
vecdeque_no_panic.rs
vecdeque-nonempty-get-no-panic.rs	Add test to guard against VecDeque optimization regression	2023-09-21 20:42:21 -07:00
virtual-function-elimination-32bit.rs
virtual-function-elimination.rs
wasm_casts_trapping.rs
wasm_exceptions.rs
zip.rs
zst-offset.rs

README.md

The files here use the LLVM FileCheck framework, documented at https://llvm.org/docs/CommandGuide/FileCheck.html.

One extension worth noting is the use of revisions as custom prefixes for FileCheck. If your codegen test has different behavior based on the chosen target or different compiler flags that you want to exercise, you can use a revisions annotation, like so:

// revisions: aaa bbb
// [bbb] compile-flags: --flags-for-bbb

After specifying those variations, you can write different expected, or explicitly unexpected output by using <prefix>-SAME: and <prefix>-NOT:, like so:

// CHECK: expected code
// aaa-SAME: emitted-only-for-aaa
// aaa-NOT:                        emitted-only-for-bbb
// bbb-NOT:  emitted-only-for-aaa
// bbb-SAME:                       emitted-only-for-bbb