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rust/tests/codegen
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bors be19eda0dc Auto merge of #142508 - Mark-Simulacrum:skip-noop-drop-glue, r=fee1-dead 
Skip no-op drop glue

Since rust-lang/rust#122662 this no longer gets used in vtables, so we're safe to fully
drop generating functions from vtables. Those are eventually cleaned up
by LLVM, but it's wasteful to produce them in the first place.

This doesn't appear to be a significant win (and shows some slight regressions) but
seems like the right thing to do. At minimum it reduces noise in the LLVM IR we generate,
which seems like a good thing.
2025-06-22 20:10:07 +00:00
..
asm
remove asm_goto feature annotation, for it is now stabilized
2025-06-21 23:26:56 +02:00
autodiff
Update generic tests
2025-05-21 07:24:43 +00:00
autovec
tests: Revise dont-shuffle-bswaps-opt3 per tested arch
2025-06-09 23:15:44 -07:00
auxiliary
…
avr
update/bless tests
2025-04-06 21:41:47 +02:00
bounds-checking
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cffi
stabilize naked_functions
2025-04-20 11:18:38 +02:00
compiletest-self-test
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cross-crate-inlining
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debug-accessibility
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debuginfo-proc-macro
Update the minimum external LLVM to 19
2025-04-05 11:44:38 -07:00
dllimports
…
enum
Stabilise repr128
2025-05-28 15:14:34 +01:00
ergonomic-clones
Add codegen test to be sure we get rid of uneeded clones after monomorphization
2025-04-07 16:53:11 -03:00
float
Expose algebraic floating point intrinsics
2025-04-04 16:13:57 -07:00
hint
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instrument-coverage
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instrument-xray
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intrinsics
Stabilize select_unpredictable
2025-05-01 13:49:28 +01:00
issues
Describe lifetime of call argument temporaries passed indirectly
2025-05-17 09:49:03 +02:00
lib-optimizations
…
loongarch-abi
tests: use minicore more
2025-02-24 09:26:54 +00:00
macos
tests: use minicore more
2025-02-24 09:26:54 +00:00
meta-filecheck
…
naked-fn
add #[align] attribute
2025-06-18 12:37:08 +02:00
non-terminate
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option-niche-unfixed
tests: mark option-niche-eq as fixed on LLVM 21
2025-05-27 11:20:52 -04:00
patchable-function-entry
…
remap_path_prefix
tests: use //@ ignore-auxiliary with backlinked primary test file
2025-04-17 19:45:28 +08:00
repr
enable msa feature for mips in codegen tests
2025-04-29 10:20:25 +02:00
riscv-abi
Fix RISC-V C function ABI when passing/returning structs containing floats
2025-06-16 10:14:07 +01:00
sanitizer
Fix tests to drop now-skipped codegen
2025-06-22 12:03:42 -04:00
simd
x86 (32/64): go back to passing SIMD vectors by-ptr
2025-06-04 08:38:49 +02:00
simd-intrinsic
x86 (32/64): go back to passing SIMD vectors by-ptr
2025-06-04 08:38:49 +02:00
src-hash-algorithm
…
unwind-abis
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
aarch64-softfloat.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
aarch64-struct-align-128.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
abi-efiapi.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
abi-main-signature-16bit-c-int.rs
…
abi-main-signature-32bit-c-int.rs
…
abi-repr-ext.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
abi-sysv64.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
abi-win64-zst.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
abi-x86_64_sysv.rs
…
abi-x86-interrupt.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
abi-x86-sse.rs
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
addr-of-mutate.rs
…
adjustments.rs
…
align-byval-alignment-mismatch.rs
Describe lifetime of call argument temporaries passed indirectly
2025-05-17 09:49:03 +02:00
align-byval-vector.rs
use add-core-stubs / minicore for a few more tests
2025-02-16 18:37:50 +01:00
align-byval.rs
use add-core-stubs / minicore for a few more tests
2025-02-16 18:37:50 +01:00
align-enum.rs
…
align-fn.rs
add #[align] attribute
2025-06-18 12:37:08 +02:00
align-offset.rs
…
align-struct.rs
mitigate MSVC unsoundness by not emitting alignment attributes on win32-msvc targets
2025-04-07 23:30:55 +02:00
alloc-optimisation.rs
Change __rust_no_alloc_shim_is_unstable to be a function
2025-06-16 10:54:07 -07:00
amdgpu-addrspacecast.rs
…
array-clone.rs
…
array-cmp.rs
Extend the chaining logic to slices too
2025-04-12 22:10:17 -07:00
array-codegen.rs
…
array-equality.rs
…
array-from_fn.rs
…
array-map.rs
…
array-optimized.rs
…
array-repeat.rs
…
ascii-char.rs
…
assign-desugar-debuginfo.rs
Don't produce debug information for compiler-introduced-vars when desugaring assignments.
2025-03-21 17:34:45 -07:00
async-closure-debug.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
async-fn-debug-awaitee-field.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
async-fn-debug-msvc.rs
didn't catch this test failure, whoops
2025-04-11 09:57:21 +02:00
async-fn-debug.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
atomic-operations.rs
…
atomicptr.rs
…
autodiffv2.rs
passing test for dualv
2025-04-16 17:13:50 -04:00
autovectorize-f32x4.rs
…
bigint-helpers.rs
…
binary-heap-peek-mut-pop-no-panic.rs
…
binary-search-index-no-bound-check.rs
…
bool-cmp.rs
…
box-default-debug-copies.rs
…
box-uninit-bytes.rs
Remove implicit #[no_mangle] for #[rustc_std_internal_symbol]
2025-03-17 14:08:09 +00:00
bpf-alu32.rs
…
branch-protection.rs
Update the minimum external LLVM to 19
2025-04-05 11:44:38 -07:00
call-llvm-intrinsics.rs
…
call-tmps-lifetime.rs
Describe lifetime of call argument temporaries passed indirectly
2025-05-17 09:49:03 +02:00
cast-optimized.rs
…
cast-target-abi.rs
Update the minimum external LLVM to 19
2025-04-05 11:44:38 -07:00
catch-unwind.rs
…
cdylib-external-inline-fns.rs
…
cf-protection.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
cfguard-checks.rs
…
cfguard-disabled.rs
…
cfguard-nochecks.rs
…
cfguard-non-msvc.rs
…
char-ascii-branchless.rs
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char-escape-debug-no-bounds-check.rs
Add test for escape_debug without bounds check.
2025-03-06 21:38:39 +01:00
checked_ilog.rs
…
checked_math.rs
…
clone_as_copy.rs
Remove unsound-mir-opts for simplify_aggregate_to_copy
2025-04-03 21:59:43 +08:00
clone-shims.rs
…
codemodels.rs
…
coercions.rs
…
cold-call-declare-and-call.rs
…
common_prim_int_ptr.rs
llvm: Tolerate captures in tests
2025-02-14 18:55:50 +00:00
comparison-operators-2-struct.rs
Update some comparison tests now that they pass in LLVM20
2025-02-17 16:36:14 -08:00
comparison-operators-2-tuple.rs
Lower BinOp::Cmp to llvm.{s,u}cmp.* intrinsics
2025-03-06 22:29:05 +08:00
comparison-operators-newtype.rs
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const_scalar_pair.rs
…
const-array.rs
Avoid wrapping constant allocations in packed structs when not necessary
2025-03-28 09:19:57 +00:00
const-vector.rs
Rollup merge of #140457 - fneddy:fix_s390x_codegen_const_vector, r=Mark-Simulacrum
2025-05-04 18:11:48 -04:00
constant-branch.rs
…
consts.rs
…
coroutine-debug-msvc.rs
…
coroutine-debug.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
dealloc-no-unwind.rs
Remove implicit #[no_mangle] for #[rustc_std_internal_symbol]
2025-03-17 14:08:09 +00:00
debug-alignment.rs
…
debug-column-msvc.rs
…
debug-column.rs
…
debug-compile-unit-path.rs
…
debug-fndef-size.rs
…
debug-limited.rs
…
debug-line-directives-only.rs
…
debug-line-tables-only.rs
…
debug-linkage-name.rs
…
debug-vtable.rs
Avoid wrapping constant allocations in packed structs when not necessary
2025-03-28 09:19:57 +00:00
debuginfo-constant-locals.rs
…
debuginfo-generic-closure-env-names.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
debuginfo-inline-callsite-location.rs
…
deduced-param-attrs.rs
Unimplement unsized_locals
2025-06-13 01:16:36 +02:00
default-requires-uwtable.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
default-visibility.rs
…
direct-access-external-data.rs
…
dont_codegen_private_const_fn_only_used_in_const_eval.rs
…
drop-in-place-noalias.rs
…
drop.rs
…
dst-offset.rs
tests: PointeeSized bounds with extern types
2025-06-16 23:04:35 +00:00
dst-vtable-align-nonzero.rs
…
dst-vtable-size-range.rs
…
ehcontguard_disabled.rs
…
ehcontguard_enabled.rs
…
emscripten-catch-unwind-js-eh.rs
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
emscripten-catch-unwind-wasm-eh.rs
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
enable-lto-unit-splitting.rs
…
error-provide.rs
…
export-no-mangle.rs
…
external-no-mangle-fns.rs
…
external-no-mangle-statics.rs
Avoid wrapping constant allocations in packed structs when not necessary
2025-03-28 09:19:57 +00:00
f128-wasm32-callconv.rs
…
fastcall-inreg.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
fatptr.rs
…
fewer-names.rs
…
fixed-x18.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
float_math.rs
Expose algebraic floating point intrinsics
2025-04-04 16:13:57 -07:00
fn-impl-trait-self.rs
…
force-frame-pointers.rs
…
force-no-unwind-tables.rs
…
force-unwind-tables.rs
…
frame-pointer-cli-control.rs
tests: remove define so dso_local attr does not disrupt test
2025-06-16 23:21:23 -07:00
frame-pointer.rs
aarch64-linux: Default to FramePointer::NonLeaf
2025-05-17 06:42:46 +02:00
function-arguments-noopt.rs
…
function-arguments.rs
…
function-return.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
gdb_debug_script_load.rs
…
generic-debug.rs
…
gep-index.rs
Also use gep inbounds nuw for index projections
2025-02-19 15:15:29 +01:00
gpu-kernel-abi.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
i128-wasm32-callconv.rs
…
i128-x86-align.rs
…
i128-x86-callconv.rs
x86_win64 ABI: do not use xmm0 with softfloat ABI
2025-02-19 08:41:19 +01:00
infallible-unwrap-in-opt-z.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
inherit_overflow.rs
…
inline-always-works-always.rs
…
inline-debuginfo.rs
…
inline-function-args-debug-info.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
inline-hint.rs
…
instrument-mcount.rs
…
integer-cmp.rs
Lower BinOp::Cmp to llvm.{s,u}cmp.* intrinsics
2025-03-06 22:29:05 +08:00
integer-overflow.rs
…
internalize-closures.rs
…
intrinsic-no-unnamed-attr.rs
replace some #[rustc_intrinsic] usage with use of the libcore declarations
2025-04-16 14:48:20 +02:00
is_val_statically_known.rs
…
issue-97217.rs
…
iter-repeat-n-trivial-drop.rs
100% safe implementation of RepeatN
2025-06-13 22:32:15 +02:00
layout-size-checks.rs
…
lifetime_start_end.rs
…
link_section.rs
Avoid wrapping constant allocations in packed structs when not necessary
2025-03-28 09:19:57 +00:00
link-dead-code.rs
…
llvm_module_flags.rs
…
llvm-ident.rs
…
loads.rs
…
local-generics-in-exe-internalized.rs
…
lto-removes-invokes.rs
…
mainsubprogram.rs
…
match-optimized.rs
…
match-optimizes-away.rs
Don't alloca just to look at a discriminant
2025-03-12 00:56:43 -07:00
match-unoptimized.rs
…
maybeuninit-rvo.rs
…
mem-replace-big-type.rs
…
mem-replace-simple-type.rs
…
merge-functions.rs
…
method-declaration.rs
…
min-function-alignment.rs
add #[align] attribute
2025-06-18 12:37:08 +02:00
mir_zst_stores.rs
…
mir-aggregate-no-alloca.rs
…
mir-inlined-line-numbers.rs
…
move-before-nocapture-ref-arg.rs
…
move-operands.rs
…
naked-asan.rs
error on calls to ABIs that cannot be called
2025-06-20 19:09:02 +02:00
no_builtins-at-crate.rs
…
no-alloca-inside-if-false.rs
…
no-assumes-on-casts.rs
…
no-dllimport-w-cross-lang-lto.rs
…
no-jump-tables.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
no-plt.rs
…
no-redundant-item-monomorphization.rs
…
noalias-box-off.rs
…
noalias-box.rs
…
noalias-flag.rs
…
noalias-freeze.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-niche-eq.rs
tests: mark option-niche-eq as fixed on LLVM 21
2025-05-27 11:20:52 -04:00
overaligned-constant.rs
The embedded bitcode should always be prepared for LTO/ThinLTO
2025-02-23 21:23:36 +08:00
packed.rs
…
panic-abort-windows.rs
…
panic-in-drop-abort.rs
…
panic-unwind-default-uwtable.rs
…
pattern_type_symbols.rs
Hide the end of ranges in pretty printing if it's also the maximum of the type
2025-03-06 10:50:23 +00:00
personality_lifetimes.rs
…
pgo-counter-bias.rs
…
pgo-instrumentation.rs
…
pic-relocation-model.rs
…
pie-relocation-model.rs
Apply ABI attributes on return types in rustc_codegen_cranelift
2025-06-12 00:47:01 +01:00
placement-new.rs
…
powerpc64le-struct-align-128.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
precondition-checks.rs
…
ptr-arithmetic.rs
Emit getelementptr inbounds nuw for pointer::add()
2025-02-19 11:32:32 +01:00
ptr-read-metadata.rs
…
range_to_inclusive.rs
…
range-attribute.rs
Update the minimum external LLVM to 19
2025-04-05 11:44:38 -07:00
range-loop.rs
Allow more top-down inlining for single-BB callees
2025-03-12 22:39:43 -07:00
README.md
…
refs.rs
…
reg-struct-return.rs
…
regparm-inreg.rs
make abi_unsupported_vector_types a hard error
2025-04-20 11:34:56 +02:00
repeat-trusted-len.rs
…
retpoline.rs
tests: Convert two handwritten minicores to add-core-stubs
2025-06-13 18:59:41 -07:00
riscv-target-abi.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
rust-abi-arch-specific-adjustment.rs
…
s390x-simd.rs
…
scalar-pair-bool.rs
…
set-discriminant-invalid.rs
…
skip-mono-inside-if-false.rs
…
slice_as_from_ptr_range.rs
…
slice-as_chunks.rs
Stabilize slice_as_chunks library feature
2025-04-10 21:07:09 -07:00
slice-indexing.rs
…
slice-init.rs
Add a test
2025-03-02 18:53:49 +00:00
slice-is-ascii.rs
Use explicit cpu in some asm and codegen tests.
2025-03-19 19:45:46 +01:00
slice-iter-fold.rs
…
slice-iter-len-eq-zero.rs
transmute should also assume non-null pointers
2025-02-12 23:01:27 -08:00
slice-iter-nonnull.rs
Simplify slice::Iter::next enough that it inlines
2025-02-14 22:24:27 -08:00
slice-last-elements-optimization.rs
Add tests for LLVM 20 slice bounds check optimization
2025-03-31 22:38:53 +09:00
slice-pointer-nonnull-unwrap.rs
…
slice-position-bounds-check.rs
…
slice-ref-equality.rs
Set both nuw and nsw in slice size calculation
2025-02-13 21:26:48 -08:00
slice-reverse.rs
…
slice-split-at.rs
slice: Remove some uses of unsafe in first/last chunk methods
2025-03-30 12:45:04 -04:00
slice-windows-no-bounds-check.rs
…
some-abis-do-extend-params-to-32-bits.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
some-global-nonnull.rs
…
sparc-struct-abi.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
split-lto-unit.rs
…
sroa-fragment-debuginfo.rs
…
sse42-implies-crc32.rs
…
stack-probes-inline.rs
tests: use minicore more
2025-02-24 09:26:54 +00:00
stack-protector.rs
…
static-relocation-model-msvc.rs
…
staticlib-external-inline-fns.rs
…
step_by-overflow-checks.rs
…
stores.rs
…
string-push.rs
Speed up String::push and String::insert
2025-04-09 13:06:10 +03:00
swap-large-types.rs
Ensure swap_nonoverlapping is really always untyped
2025-04-09 09:09:37 -07:00
swap-small-types.rs
skip tests/codegen/swap-small-types when debug assertions are on
2025-04-09 10:44:49 -07:00
target-cpu-on-functions.rs
…
target-feature-inline-closure.rs
Fix target-feature inline test to be less flaky
2025-03-06 19:56:21 +00:00
target-feature-negative-implication.rs
unify two -Ctarget-feature parsers
2025-06-19 09:44:24 +09:00
target-feature-overrides.rs
unify two -Ctarget-feature parsers
2025-06-19 09:44:24 +09:00
terminating-catchpad.rs
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
thread-local.rs
rustc_codegen_llvm: use threadlocal.address intrinsic to access TLS
2025-05-29 16:07:43 +02:00
tied-features-strength.rs
unify two -Ctarget-feature parsers
2025-06-19 09:44:24 +09:00
to_vec.rs
…
trailing_zeros.rs
…
transmute-optimized.rs
…
transmute-scalar.rs
Emit trunc nuw for unchecked shifts and to_immediate_scalar
2025-02-19 11:36:52 -08:00
try_question_mark_nop.rs
replace //@ compile-flags: --edition with //@ edition
2025-04-10 09:56:37 +02:00
tune-cpu-on-functions.rs
…
tuple-layout-opt.rs
…
ub-checks.rs
…
unchecked_shifts.rs
Update the minimum external LLVM to 19
2025-04-05 11:44:38 -07:00
unchecked-float-casts.rs
…
uninhabited-transparent-return-abi.rs
tests: fix up new test for nocapture -> capture(none) change
2025-02-25 17:46:05 -05:00
uninit-consts.rs
Avoid wrapping constant allocations in packed structs when not necessary
2025-03-28 09:19:57 +00:00
uninit-repeat-in-aggregate.rs
Lower to a memset(undef) when Rvalue::Repeat repeats uninit
2025-03-19 23:57:49 -04:00
union-abi.rs
Emit trunc nuw for unchecked shifts and to_immediate_scalar
2025-02-19 11:36:52 -08:00
unwind-and-panic-abort.rs
…
unwind-extern-exports.rs
…
unwind-extern-imports.rs
…
unwind-landingpad-cold.rs
…
unwind-landingpad-inline.rs
Change __rust_no_alloc_shim_is_unstable to be a function
2025-06-16 10:54:07 -07:00
used_with_arg.rs
…
var-names.rs
…
vec_pop_push_noop.rs
Update the minimum external LLVM to 19
2025-04-05 11:44:38 -07:00
vec-as-ptr.rs
…
vec-calloc.rs
Remove implicit #[no_mangle] for #[rustc_std_internal_symbol]
2025-03-17 14:08:09 +00:00
vec-in-place.rs
…
vec-iter-collect-len.rs
Change __rust_no_alloc_shim_is_unstable to be a function
2025-06-16 10:54:07 -07:00
vec-iter.rs
…
vec-len-invariant.rs
…
vec-optimizes-away.rs
Change __rust_no_alloc_shim_is_unstable to be a function
2025-06-16 10:54:07 -07:00
vec-reserve-extend.rs
…
vec-shrink-panik.rs
…
vec-with-capacity.rs
…
vecdeque_no_panic.rs
…
vecdeque_pop_push.rs
…
vecdeque-drain.rs
…
vecdeque-nonempty-get-no-panic.rs
…
virtual-call-attrs-issue-137646.rs
Don't infer unwinding of virtual calls based on the function attributes
2025-02-27 12:58:18 +08:00
virtual-function-elimination-32bit.rs
…
virtual-function-elimination.rs
Unimplement unsized_locals
2025-06-13 01:16:36 +02:00
vtable-loads.rs
…
vtable-upcast.rs
…
wasm_casts_trapping.rs
…
wasm_exceptions.rs
…
zip.rs
…
zst-offset.rs
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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