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Auto merge of rust-lang#136761 - workingjubilee:specify-opt-level-for…
…-codegen-tests, r=<try> tests: `-Copt-level=3` instead of `-O` in codegen tests An effective blocker for rust-lang#135439 r? `@ghost` try-job: test-various try-job: aarch64-gnu try-job: aarch64-gnu-debug try-job: i686-gnu-1 try-job: i686-gnu-2 try-job: i686-mingw try-job: i686-msvc-1 try-job: i686-msvc-2 try-job: x86_64-msvc-1 try-job: x86_64-msvc-2
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
#![crate_type = "lib"] | ||
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#[no_mangle] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
#![feature(array_repeat)] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ only-x86_64 | ||
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#![crate_type = "rlib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ ignore-std-debug-assertions | ||
#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
#![crate_type = "lib"] | ||
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use std::mem::MaybeUninit; | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
#![feature(core_intrinsics)] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ aux-build:always.rs | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
//@ aux-build:never.rs | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
#![allow(incomplete_features)] | ||
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//@ revisions: OPT2 OPT3 | ||
//@ [OPT2] compile-flags: -Copt-level=2 | ||
//@ [OPT3] compile-flags: -C opt-level=3 | ||
//@ min-llvm-version: 18.1.3 | ||
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#![crate_type = "lib"] | ||
#![no_std] | ||
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// The code is from https://github.com/rust-lang/rust/issues/122805. | ||
// Ensure we do not generate the shufflevector instruction | ||
// to avoid complicating the code. | ||
// CHECK-LABEL: define{{.*}}void @convert( | ||
// CHECK-NOT: shufflevector | ||
// On higher opt levels, this should just be a bswap: | ||
// OPT3: load <8 x i16> | ||
// OPT3-NEXT: call <8 x i16> @llvm.bswap | ||
// OPT3-NEXT: store <8 x i16> | ||
// OPT3-NEXT: ret void | ||
#[no_mangle] | ||
pub fn convert(value: [u16; 8]) -> [u8; 16] { | ||
#[cfg(target_endian = "little")] | ||
let bswap = u16::to_be; | ||
#[cfg(target_endian = "big")] | ||
let bswap = u16::to_le; | ||
let addr16 = [ | ||
bswap(value[0]), | ||
bswap(value[1]), | ||
bswap(value[2]), | ||
bswap(value[3]), | ||
bswap(value[4]), | ||
bswap(value[5]), | ||
bswap(value[6]), | ||
bswap(value[7]), | ||
]; | ||
unsafe { core::mem::transmute::<_, [u8; 16]>(addr16) } | ||
} |
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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//@ compile-flags: -O | ||
//@ compile-flags: -Copt-level=3 | ||
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#![crate_type = "lib"] | ||
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