rust/codegen at 06d99cd6947db110d5b8cd44b91852372083d087 - rust

mirror of https://github.com/rust-lang/rust.git synced 2024-11-27 01:04:03 +00:00

History

bors 12b5d3c29c Auto merge of #124294 - tspiteri:ilog-first-iter, r=the8472 Unroll first iteration of checked_ilog loop This follows the optimization of #115913. As shown in https://github.com/rust-lang/rust/pull/115913#issuecomment-2066788006, the performance was improved in all important cases, but some regressions were introduced for the benchmarks `u32_log_random_small`, `u8_log_random` and `u8_log_random_small`. Basically, #115913 changed the implementation from one division per iteration to one multiplication per iteration plus one division. When there are zero iterations, this is a regression from zero divisions to one division. This PR avoids this by avoiding the division if we need zero iterations by returning `Some(0)` early. It also reduces the number of multiplications by one in all other cases.		2024-06-02 00:05:32 +00:00
..
auxiliary	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
avr	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cffi	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cross-crate-inlining	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-accessibility	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
dllimports	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
enum	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
float	Fix assertion when attempting to convert `f16` and `f128` with `as`	2024-05-16 04:07:02 -05:00
instrument-coverage	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
instrument-xray	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
intrinsics	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
issues	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
lib-optimizations	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
loongarch-abi	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
macos	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
meta-filecheck	Allow tests to specify a `//@ filecheck-flags:` header	2024-02-23 11:28:06 +11:00
naked-fn	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
non-terminate	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
remap_path_prefix	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
repr	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
riscv-abi	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
sanitizer	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
simd	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
simd-intrinsic	Fix tests and bless	2024-04-24 13:12:33 +01:00
src-hash-algorithm	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
unwind-abis	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
aarch64-struct-align-128.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
abi-efiapi.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
abi-main-signature-16bit-c-int.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
abi-main-signature-32bit-c-int.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
abi-repr-ext.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
abi-sysv64.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
abi-x86_64_sysv.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
abi-x86-interrupt.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
addr-of-mutate.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
adjustments.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
align-byval-alignment-mismatch.rs	use [N x i8] for alloca types	2024-04-11 21:42:35 -04:00
align-byval-vector.rs	use [N x i8] for byval/sret types	2024-03-05 18:54:45 -05:00
align-byval.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
align-enum.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
align-fn.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
align-offset.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
align-struct.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
alloc-optimisation.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
array-clone.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
array-cmp.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
array-codegen.rs	use [N x i8] for alloca types	2024-04-11 21:42:35 -04:00
array-equality.rs	Stabilize generic `NonZero`.	2024-04-22 18:48:47 +02:00
array-map.rs	use [N x i8] for alloca types	2024-04-11 21:42:35 -04:00
array-optimized.rs	Remove my `scalar_copy_backend_type` optimization attempt	2024-04-09 08:51:32 -07:00
ascii-char.rs	codegen tests: Tolerate `nuw` `nsw` on `trunc`	2024-04-11 17:20:08 +00:00
asm-clobber_abi.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
asm-clobbers.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
asm-goto.rs	Add tests for asm goto	2024-02-24 19:49:16 +00:00
asm-may_unwind.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
asm-maybe-uninit.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
asm-multiple-options.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
asm-options.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
asm-powerpc-clobbers.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
asm-sanitize-llvm.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
asm-target-clobbers.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
async-closure-debug.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
async-fn-debug-awaitee-field.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
async-fn-debug-msvc.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
async-fn-debug.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
atomic-operations.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
atomicptr.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
autovectorize-f32x4.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
binary-search-index-no-bound-check.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
bool-cmp.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
box-uninit-bytes.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
bpf-alu32.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
branch-protection.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
call-llvm-intrinsics.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
call-metadata.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
cast-target-abi.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
catch-unwind.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
cdylib-external-inline-fns.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
cf-protection.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cfguard-checks.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cfguard-disabled.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cfguard-nochecks.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cfguard-non-msvc.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
char-ascii-branchless.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
checked_ilog.rs	add codegen test	2024-04-23 18:31:57 +02:00
checked_math.rs	Make `checked` ops emit unchecked LLVM operations where feasible	2024-04-18 18:11:21 -07:00
codemodels.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
coercions.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
cold-call-declare-and-call.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
common_prim_int_ptr.rs	refine common_prim test	2024-03-13 01:17:15 -04:00
comparison-operators-2-tuple.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
comparison-operators-newtype.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
const_scalar_pair.rs	Fix tests and bless	2024-04-24 13:12:33 +01:00
constant-branch.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
consts.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
coroutine-debug-msvc.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
coroutine-debug.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
dealloc-no-unwind.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
debug-alignment.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-column-msvc.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-column.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
debug-compile-unit-path.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
debug-fndef-size.rs	Adjust dbg.value/dbg.declare checks for LLVM update	2024-05-06 23:15:48 +00:00
debug-limited.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-line-directives-only.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-line-tables-only.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-linkage-name.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debug-vtable.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
debuginfo-constant-locals.rs	Adjust dbg.value/dbg.declare checks for LLVM update	2024-05-06 23:15:48 +00:00
debuginfo-generic-closure-env-names.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
debuginfo-inline-callsite-location.rs	Update a test to support Symbol Mangling V0	2024-02-26 18:12:07 +01:00
deduced-param-attrs.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
default-hidden-visibility.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
default-requires-uwtable.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
direct-access-external-data.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
dont_codegen_private_const_fn_only_used_in_const_eval.rs	Stop walking the bodies of statics for reachability, and evaluate them instead	2024-03-14 14:10:45 +00:00
drop-in-place-noalias.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
drop.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
dst-offset.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
dst-vtable-align-nonzero.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
dst-vtable-size-range.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
ehcontguard_disabled.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
ehcontguard_enabled.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
emcripten-catch-unwind.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
enable-lto-unit-splitting.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
export-no-mangle.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
external-no-mangle-fns.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
external-no-mangle-statics.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
fastcall-inreg.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
fatptr.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
fewer-names.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
fixed-x18.rs	Add -Zfixed-x18	2024-05-03 14:32:08 +02:00
float_math.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
fn-impl-trait-self.rs	Update test directives for `wasm32-wasip1`	2024-03-11 09:36:35 -07:00
foo.s	Move /src/test to /tests	2023-01-11 09:32:08 +00:00
force-frame-pointers.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
force-no-unwind-tables.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
force-unwind-tables.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
frame-pointer.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
function-arguments-noopt.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
function-arguments.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
function-return.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
gdb_debug_script_load.rs	Make more of the test suite run on Mac Catalyst	2024-05-28 12:31:33 +02:00
generic-debug.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
global_asm_include.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
global_asm_x2.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
global_asm.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
i128-x86-align.rs	use [N x i8] for alloca types	2024-04-11 21:42:35 -04:00
infallible-unwrap-in-opt-z.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
inherit_overflow.rs	Codegen const panic messages as function calls	2024-03-22 09:55:50 -04:00
inline-always-works-always.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
inline-debuginfo.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
inline-function-args-debug-info.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
inline-hint.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
instrument-mcount.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
integer-cmp.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
integer-overflow.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
internalize-closures.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
intrinsic-no-unnamed-attr.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
is_val_statically_known.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
issue-97217.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
iter-repeat-n-trivial-drop.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
layout-size-checks.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
lifetime_start_end.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
link_section.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
link-dead-code.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
llvm_module_flags.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
llvm-ident.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
loads.rs	Stabilize generic `NonZero`.	2024-04-22 18:48:47 +02:00
local-generics-in-exe-internalized.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
lto-removes-invokes.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
mainsubprogram.rs	Make more of the test suite run on Mac Catalyst	2024-05-28 12:31:33 +02:00
mainsubprogramstart.rs	Make more of the test suite run on Mac Catalyst	2024-05-28 12:31:33 +02:00
match-optimized.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
match-optimizes-away.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
match-unoptimized.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
maybeuninit-rvo.rs	Add needs-unwind to codegen test	2024-04-25 11:44:32 +09:00
mem-replace-big-type.rs	use [N x i8] for byval/sret types	2024-03-05 18:54:45 -05:00
mem-replace-simple-type.rs	At debuginfo=0, don't inline debuginfo when inlining	2024-04-18 09:35:35 -07:00
merge-functions.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
method-declaration.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
mir_zst_stores.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
mir-aggregate-no-alloca.rs	Unify `Rvalue::Aggregate` paths in cg_ssa	2024-05-11 21:22:51 -07:00
mir-inlined-line-numbers.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
move-before-nocapture-ref-arg.rs	Update the minimum external LLVM to 17	2024-03-17 10:11:04 -07:00
move-operands.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
no_builtins-at-crate.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
no-assumes-on-casts.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
no-dllimport-w-cross-lang-lto.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
no-jump-tables.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
no-plt.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
no-redundant-item-monomorphization.rs	Port issue-7349 to a codegen test	2024-04-04 21:59:08 +01:00
noalias-box-off.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
noalias-box.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
noalias-flag.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
noalias-freeze.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
noalias-refcell.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
noalias-rwlockreadguard.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
noalias-unpin.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
noreturn-uninhabited.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
noreturnflag.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
nounwind.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
nrvo.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
optimize-attr-1.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
option-as-slice.rs	Stabilize generic `NonZero`.	2024-04-22 18:48:47 +02:00
option-niche-eq.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
overaligned-constant.rs	use [N x i8] for alloca types	2024-04-11 21:42:35 -04:00
packed.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
panic-abort-windows.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
panic-in-drop-abort.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
panic-unwind-default-uwtable.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
pattern_type_symbols.rs	Actually create ranged int types in the type system.	2024-04-08 12:02:19 +00:00
personality_lifetimes.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
pgo-counter-bias.rs	Make more of the test suite run on Mac Catalyst	2024-05-28 12:31:33 +02:00
pgo-instrumentation.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
pic-relocation-model.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
pie-relocation-model.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
powerpc64le-struct-align-128.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
precondition-checks.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
ptr-arithmetic.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
ptr-read-metadata.rs	adapt a codegen test for llvm 19	2024-04-29 13:03:45 +00:00
README.md	Move /src/test to /tests	2023-01-11 09:32:08 +00:00
refs.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
repeat-trusted-len.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
riscv-target-abi.rs	Set target-abi module flag for RISC-V targets	2024-04-09 05:25:51 +02:00
scalar-pair-bool.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
set-discriminant-invalid.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
skip-mono-inside-if-false.rs	Avoid lowering code under dead SwitchInt targets	2024-03-12 19:01:04 -04:00
slice_as_from_ptr_range.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
slice-as_chunks.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
slice-indexing.rs	Use unchecked_sub in str indexing	2024-04-06 14:09:03 -04:00
slice-init.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
slice-iter-fold.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
slice-iter-len-eq-zero.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
slice-iter-nonnull.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
slice-position-bounds-check.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
slice-ref-equality.rs	Stabilize generic `NonZero`.	2024-04-22 18:48:47 +02:00
slice-reverse.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
slice-windows-no-bounds-check.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
some-abis-do-extend-params-to-32-bits.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
some-global-nonnull.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
sparc-struct-abi.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
split-lto-unit.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
sroa-fragment-debuginfo.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
sse42-implies-crc32.rs	Rollup merge of #120820 - CKingX:cpu-base-minimum, r=petrochenkov,ChrisDenton	2024-02-29 17:08:36 +01:00
stack-probes-inline.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
stack-protector.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
static-relocation-model-msvc.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
staticlib-external-inline-fns.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
step_by-overflow-checks.rs	Don't emit divide-by-zero panic paths in `StepBy::len`	2024-04-06 11:37:57 -07:00
stores.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
swap-large-types.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
swap-small-types.rs	use [N x i8] for alloca types	2024-04-11 21:42:35 -04:00
target-cpu-on-functions.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
target-feature-inline-closure.rs	Add inline comments why we're forcing the target cpu	2024-05-01 16:54:20 -07:00
target-feature-overrides.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
thin-lto.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
thread-local.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
tied-features-strength.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
to_vec.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
trailing_zeros.rs	Update the minimum external LLVM to 17	2024-03-17 10:11:04 -07:00
transmute-optimized.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
transmute-scalar.rs	Lower transmutes from int to pointer type as gep on null	2024-03-11 18:19:17 -04:00
try_identity.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
try_question_mark_nop.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
tune-cpu-on-functions.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
tuple-layout-opt.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
ub-checks.rs	Put checks that detect UB under their own flag below debug_assertions	2024-04-06 11:21:47 -04:00
unchecked_shifts.rs	codegen tests: Tolerate `nuw` `nsw` on `trunc`	2024-04-11 17:20:08 +00:00
unchecked-float-casts.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
uninit-consts.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
union-abi.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
unwind-and-panic-abort.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
unwind-extern-exports.rs	Update test directives for `wasm32-wasip1`	2024-03-11 09:36:35 -07:00
unwind-extern-imports.rs	Update test directives for `wasm32-wasip1`	2024-03-11 09:36:35 -07:00
unwind-landingpad-cold.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
unwind-landingpad-inline.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
used_with_arg.rs	Move /src/test to /tests	2023-01-11 09:32:08 +00:00
var-names.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
vec_pop_push_noop.rs	Fix test.	2024-03-29 15:37:43 -07:00
vec-as-ptr.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
vec-calloc.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vec-in-place.rs	add codegen test for issue 120493	2024-05-20 09:21:09 -05:00
vec-iter-collect-len.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
vec-iter.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vec-len-invariant.rs	Avoid reloading Vec::len across grow_one in push	2024-04-20 21:07:00 -04:00
vec-optimizes-away.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vec-reserve-extend.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vec-shrink-panik.rs	Update the minimum external LLVM to 17	2024-03-17 10:11:04 -07:00
vec-with-capacity.rs	try_with_capacity for Vec, VecDeque, String	2024-03-01 18:24:02 +00:00
vecdeque_no_panic.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vecdeque_pop_push.rs	Add invariant to VecDeque::pop_* that len < cap if pop successful	2024-04-08 12:12:13 +02:00
vecdeque-drain.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vecdeque-nonempty-get-no-panic.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
virtual-function-elimination-32bit.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
virtual-function-elimination.rs	Ignore less tests in debug builds	2024-02-23 18:04:01 -05:00
vtable-loads.rs	Omit non-needs_drop drop_in_place in vtables	2024-05-27 16:26:56 -04:00
vtable-upcast.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
wasm_casts_trapping.rs	[AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives	2024-02-22 16:04:04 +00:00
wasm_exceptions.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
zip.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00
zst-offset.rs	Run rustfmt on `tests/codegen/`.	2024-05-31 15:56:43 +10:00

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