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convert codegen/repr/transparent-* tests to no_core, fix discrepancies

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This commit is contained in:
Erik Desjardins 2024-03-09 23:07:27 -05:00
parent 549eac374f
commit 8fdd5e044b
6 changed files with 210 additions and 52 deletions
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34
tests/codegen/repr/transparent-struct-ptr.rs
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@ -1,23 +1,36 @@
//@ revisions: x32 x64 sparc sparc64
//@ revisions: i686-linux i686-freebsd x64-linux x64-apple wasm32
//@ compile-flags: -O -C no-prepopulate-passes
//
//@[x32] only-x86
//@[x64] only-x86_64
//@[sparc] only-sparc
//@[sparc64] only-sparc64
//@ ignore-windows
//@[i686-linux] compile-flags: --target i686-unknown-linux-gnu
//@[i686-linux] needs-llvm-components: x86
//@[i686-freebsd] compile-flags: --target i686-unknown-freebsd
//@[i686-freebsd] needs-llvm-components: x86
//@[x64-linux] compile-flags: --target x86_64-unknown-linux-gnu
//@[x64-linux] needs-llvm-components: x86
//@[x64-apple] compile-flags: --target x86_64-apple-darwin
//@[x64-apple] needs-llvm-components: x86
//@[wasm32] compile-flags: --target wasm32-wasi
//@[wasm32] needs-llvm-components: webassembly
// See ./transparent.rs
// Some platforms pass large aggregates using immediate arrays in LLVMIR
// Other platforms pass large aggregates using struct pointer in LLVMIR
// This covers the "struct pointer" case.
#![feature(no_core, lang_items, transparent_unions)]
#![crate_type = "lib"]
#![no_std]
#![no_core]
#![feature(transparent_unions)]
#[lang="sized"] trait Sized { }
#[lang="freeze"] trait Freeze { }
#[lang="copy"] trait Copy { }
#![crate_type="lib"]
impl Copy for [u32; 16] {}
impl Copy for BigS {}
impl Copy for BigU {}
#[derive(Clone, Copy)]
#[repr(C)]
pub struct BigS([u32; 16]);
@ -51,7 +64,6 @@ pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} }
pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} }
#[derive(Clone, Copy)]
#[repr(C)]
pub union BigU {
foo: [u32; 16],