rust/codegen at ca869e33341ced8335c1288232c847a377a8653b - 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

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avr

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

cffi

tests/codegen/c-variadic* -> cffi/c-variadic*

2023-07-29 18:34:41 -07:00

dllimports

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enum

tests/codegen/enum-* -> enum/enum-*

2023-07-29 18:34:41 -07:00

instrument-xray

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intrinsics

Add a new compare_bytes intrinsic instead of calling memcmp directly

2023-08-06 15:47:40 -07:00

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

tests/codegen/naked-* -> naked-fn/naked-*

2023-07-29 18:34:41 -07:00

non-terminate

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remap_path_prefix

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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

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

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

cg_llvm: simplify llvm.masked.gather/scatter naming with opaque pointers

2023-07-29 16:56:27 -04:00

src-hash-algorithm

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unwind-abis

stabilize abi_thiscall

2023-08-07 14:11:03 +02:00

aarch64-struct-align-128.rs

aarch64-linux: properly handle 128bit aligned aggregates

2023-07-10 19:19:40 -04:00

abi-efiapi.rs

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abi-main-signature-16bit-c-int.rs

Replace ignore-everything with only-arch

2023-07-29 15:49:07 -07:00

abi-main-signature-32bit-c-int.rs

Ignore an AVR-inapplicable test

2023-07-29 15:21:49 -07:00

abi-repr-ext.rs

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abi-sysv64.rs

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abi-x86_64_sysv.rs

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abi-x86-interrupt.rs

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addr-of-mutate.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

adjustments.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

align-byval-vector.rs

implement vector-containing aggregate alignment for x86 darwin

2023-07-10 19:19:36 -04:00

align-byval.rs

i686-windows: make requested alignment > 4 special case apply transitively

2023-07-14 17:48:13 -04:00

align-enum.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

align-fn.rs

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align-offset.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

align-struct.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

alloc-optimisation.rs

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array-clone.rs

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array-codegen.rs

Copy 1-element arrays as scalars, not vectors

2023-10-07 00:10:32 -07:00

array-equality.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

array-map.rs

update array-map test for removed alloca

2023-07-10 19:19:35 -04:00

array-optimized.rs

Copy 1-element arrays as scalars, not vectors

2023-10-07 00:10:32 -07:00

ascii-char.rs

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asm-clobber_abi.rs

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asm-clobbers.rs

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asm-may_unwind.rs

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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

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asm-options.rs

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asm-powerpc-clobbers.rs

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asm-sanitize-llvm.rs

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asm-target-clobbers.rs

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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

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async-fn-debug.rs

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atomic-operations.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

autovectorize-f32x4.rs

Test from_fn autovectorizes

2023-05-30 20:45:40 -07:00

binary-search-index-no-bound-check.rs

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bool-cmp.rs

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box-uninit-bytes.rs

add regression test for not memcpying padding bytes

2023-08-22 15:10:56 +02:00

bpf-alu32.rs

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branch-protection.rs

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call-llvm-intrinsics.rs

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call-metadata.rs

codegen: allow extra attributes to functions when panic=abort

2023-05-23 16:54:30 +02:00

catch-unwind.rs

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cdylib-external-inline-fns.rs

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cf-protection.rs

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cfguard-checks.rs

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cfguard-disabled.rs

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cfguard-nochecks.rs

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cfguard-non-msvc.rs

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codemodels.rs

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coercions.rs

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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

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

comparison-operators-newtype.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

const_scalar_pair.rs

Explain the reason for why a test exists

2023-05-31 14:07:16 +00:00

consts.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

dealloc-no-unwind.rs

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debug-alignment.rs

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debug-column-msvc.rs

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debug-column.rs

codegen: allow extra attributes to functions when panic=abort

2023-05-23 16:54:30 +02:00

debug-compile-unit-path.rs

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debug-fndef-size.rs

Ignore MSVC in test.

2023-10-08 16:45:45 +00:00

debug-limited.rs

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debug-line-directives-only.rs

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debug-line-tables-only.rs

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debug-linkage-name.rs

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debug-vtable.rs

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debuginfo-constant-locals.rs

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debuginfo-generic-closure-env-names.rs

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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

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default-requires-uwtable.rs

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drop-in-place-noalias.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

drop.rs

codegen: add needs-unwind to tests that require it

2023-05-23 16:54:35 +02:00

dst-vtable-align-nonzero.rs

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dst-vtable-size-range.rs

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enable-lto-unit-splitting.rs

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export-no-mangle.rs

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external-no-mangle-fns.rs

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external-no-mangle-statics.rs

codegen: allow the dso_local attribute

2023-05-23 16:54:33 +02:00

fastcall-inreg.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

fatptr.rs

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fewer-names.rs

Always name the return place.

2023-07-08 15:38:40 +02:00

float_math.rs

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fn-impl-trait-self.rs

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foo.s

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force-frame-pointers.rs

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force-no-unwind-tables.rs

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force-unwind-tables.rs

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frame-pointer.rs

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function-arguments-noopt.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

function-arguments.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

gdb_debug_script_load.rs

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generator-debug-msvc.rs

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generator-debug.rs

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generic-debug.rs

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global_asm_include.rs

Replace ignore-everything with only-arch

2023-07-29 15:49:07 -07:00

global_asm_x2.rs

Replace ignore-everything with only-arch

2023-07-29 15:49:07 -07:00

global_asm.rs

Replace ignore-everything with only-arch

2023-07-29 15:49:07 -07:00

inherit_overflow.rs

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inline-always-works-always.rs

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inline-debuginfo.rs

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inline-function-args-debug-info.rs

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inline-hint.rs

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instrument-coverage.rs

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instrument-mcount.rs

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integer-cmp.rs

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integer-overflow.rs

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internalize-closures.rs

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intrinsic-no-unnamed-attr.rs

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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

Get !nonnull metadata consistently in slice iterators, without needing assumes

2023-07-20 11:33:49 -07:00

layout-size-checks.rs

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lifetime_start_end.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

link_section.rs

codegen: allow the dso_local attribute

2023-05-23 16:54:33 +02:00

link-dead-code.rs

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llvm-ident.rs

Support .comment section like GCC/Clang (!llvm.ident)

2023-07-21 22:01:50 +02:00

loads.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

local-generics-in-exe-internalized.rs

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lto-removes-invokes.rs

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mainsubprogram.rs

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mainsubprogramstart.rs

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match-optimized.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

match-optimizes-away.rs

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match-unoptimized.rs

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mem-replace-big-type.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

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

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method-declaration.rs

Add test for method debuginfo declaration.

2023-08-12 21:27:46 +08:00

mir_zst_stores.rs

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mir-inlined-line-numbers.rs

codegen: allow extra attributes to functions when panic=abort

2023-05-23 16:54:30 +02:00

move-before-nocapture-ref-arg.rs

add codegen test for #107436

2023-08-26 18:14:47 +09:00

move-operands.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

no_builtins-at-crate.rs

Add the no-builtins attribute to functions when no_builtins is applied at the crate level.

2023-07-18 22:15:47 +08:00

no-assumes-on-casts.rs

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no-dllimport-w-cross-lang-lto.rs

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no-jump-tables.rs

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no-plt.rs

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noalias-box-off.rs

make noalias-box-off filecheck more precise

2023-05-20 19:41:28 -04:00

noalias-box.rs

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noalias-flag.rs

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noalias-refcell.rs

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noalias-rwlockreadguard.rs

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noalias-unpin.rs

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noreturn-uninhabited.rs

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noreturnflag.rs

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nounwind.rs

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nrvo.rs

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optimize-attr-1.rs

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option-as-slice.rs

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option-nonzero-eq.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

packed.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

panic-abort-windows.rs

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panic-in-drop-abort.rs

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panic-unwind-default-uwtable.rs

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personality_lifetimes.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

pgo-counter-bias.rs

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pgo-instrumentation.rs

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pic-relocation-model.rs

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pie-relocation-model.rs

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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

codegen: allow the dso_local attribute

2023-05-23 16:54:33 +02:00

README.md

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refs.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

repeat-trusted-len.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

scalar-pair-bool.rs

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set-discriminant-invalid.rs

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slice_as_from_ptr_range.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

slice-as_chunks.rs

update tests that are ignored by debug

2023-09-01 04:01:54 +08:00

slice-indexing.rs

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slice-init.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

slice-iter-fold.rs

add codegen test for slice::Iter::fold

2023-06-12 23:47:08 +02:00

slice-iter-len-eq-zero.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

slice-iter-nonnull.rs

update tests that are ignored by debug

2023-09-01 04:01:54 +08:00

slice-position-bounds-check.rs

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slice-ref-equality.rs

Bless codegen tests.

2023-08-17 18:28:33 +00:00

slice-reverse.rs

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slice-windows-no-bounds-check.rs

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some-abis-do-extend-params-to-32-bits.rs

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some-global-nonnull.rs

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sparc-struct-abi.rs

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split-lto-unit.rs

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sroa-fragment-debuginfo.rs

Restrict test to x86_64.

2023-08-26 22:55:52 +00:00

sse42-implies-crc32.rs

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stack-probes-call.rs

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stack-probes-inline.rs

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stack-protector.rs

tests: be even more permissive on attributes in one test

2023-06-23 09:48:00 -04:00

static-relocation-model-msvc.rs

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staticlib-external-inline-fns.rs

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stores.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

swap-large-types.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

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

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target-feature-inline-closure.rs

Add codegen test ensuring always-inline closures don't bypass target features

2023-07-16 21:26:08 -04:00

target-feature-overrides.rs

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thread-local.rs

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tied-features-strength.rs

Create a structure to define the features from to_llvm_features.

2023-05-22 14:46:40 +01:00

to_vec.rs

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trailing_zeros.rs

add codegen test for issue 107554

2023-08-16 14:04:05 +09:00

transmute-optimized.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

transmute-scalar.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

try_identity.rs

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try_question_mark_nop.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

tune-cpu-on-functions.rs

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tuple-layout-opt.rs

Remove some wasm/emscripten ignores

2023-08-25 19:48:20 -04:00

unchecked_shifts.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

unchecked-float-casts.rs

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uninit-consts.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

union-abi.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

unwind-and-panic-abort.rs

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unwind-extern-exports.rs

codegen: add needs-unwind to tests that require it

2023-05-23 16:54:35 +02:00

unwind-extern-imports.rs

codegen: add needs-unwind to tests that require it

2023-05-23 16:54:35 +02:00

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

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var-names.rs

Always name the return place.

2023-07-08 15:38:40 +02:00

vec-as-ptr.rs

CHECK only for opaque ptr

2023-07-27 14:44:13 -07:00

vec-calloc.rs

Update the minimum external LLVM to 15

2023-07-27 14:07:08 -07:00

vec-in-place.rs

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vec-iter-collect-len.rs

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vec-optimizes-away.rs

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vec-shrink-panik.rs

use indexed loop instead of ptr bumping

2023-06-14 22:22:41 +02:00

vecdeque_no_panic.rs

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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

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virtual-function-elimination.rs

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wasm_casts_trapping.rs

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wasm_exceptions.rs

add codegen-test: wasm-exceptions

2023-07-01 20:24:15 +02:00

zip.rs

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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