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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
commit | 9835e2ae736235810b4ea1c162ca5e65c547e770 (patch) | |
tree | 3fcebf40ed70e581d776a8a4c65923e8ec20e026 /tests/mir-opt/instsimplify_duplicate_switch_targets.rs | |
parent | Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff) | |
download | rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip |
Merging upstream version 1.71.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/instsimplify_duplicate_switch_targets.rs')
-rw-r--r-- | tests/mir-opt/instsimplify_duplicate_switch_targets.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/mir-opt/instsimplify_duplicate_switch_targets.rs b/tests/mir-opt/instsimplify_duplicate_switch_targets.rs new file mode 100644 index 000000000..3e280a40f --- /dev/null +++ b/tests/mir-opt/instsimplify_duplicate_switch_targets.rs @@ -0,0 +1,27 @@ +#![feature(custom_mir, core_intrinsics)] +#![crate_type = "lib"] + +use std::intrinsics::mir::*; + +// unit-test: InstSimplify + +// EMIT_MIR instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff +#[custom_mir(dialect = "runtime", phase = "post-cleanup")] +pub unsafe fn assert_zero(x: u8) -> u8 { + mir!( + { + match x { + 0 => retblock, + 1 => unreachable, + _ => unreachable, + } + } + unreachable = { + Unreachable() + } + retblock = { + RET = x; + Return() + } + ) +} |