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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/mir-opt/lower_intrinsics_e2e.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/lower_intrinsics_e2e.rs')
-rw-r--r-- | tests/mir-opt/lower_intrinsics_e2e.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/mir-opt/lower_intrinsics_e2e.rs b/tests/mir-opt/lower_intrinsics_e2e.rs new file mode 100644 index 000000000..872ef59b0 --- /dev/null +++ b/tests/mir-opt/lower_intrinsics_e2e.rs @@ -0,0 +1,32 @@ +// Checks that we do not have any branches in the MIR for the two tested functions. + +// compile-flags: -Cpanic=abort +#![feature(core_intrinsics)] +#![crate_type = "lib"] + +// EMIT_MIR lower_intrinsics_e2e.f_unit.PreCodegen.after.mir +pub fn f_unit() { + f_dispatch(()); +} + + +// EMIT_MIR lower_intrinsics_e2e.f_u64.PreCodegen.after.mir +pub fn f_u64() { + f_dispatch(0u64); +} + +#[inline(always)] +pub fn f_dispatch<T>(t: T) { + if std::mem::size_of::<T>() == 0 { + f_zst(t); + } else { + f_non_zst(t); + } +} + +#[inline(never)] +pub fn f_zst<T>(_t: T) { +} + +#[inline(never)] +pub fn f_non_zst<T>(_t: T) {} |