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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /src/test/codegen/binary-search-index-no-bound-check.rs | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/codegen/binary-search-index-no-bound-check.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/codegen/binary-search-index-no-bound-check.rs b/src/test/codegen/binary-search-index-no-bound-check.rs index 2deabcaa6..c1766a4a4 100644 --- a/src/test/codegen/binary-search-index-no-bound-check.rs +++ b/src/test/codegen/binary-search-index-no-bound-check.rs @@ -16,3 +16,23 @@ pub fn binary_search_index_no_bounds_check(s: &[u8]) -> u8 { 42 } } + +// Similarly, check that `partition_point` is known to return a valid fencepost. + +// CHECK-LABEL: @unknown_split +#[no_mangle] +pub fn unknown_split(x: &[i32], i: usize) -> (&[i32], &[i32]) { + // This just makes sure that the subsequent function is looking for the + // absence of something that might actually be there. + + // CHECK: call core::panicking::panic + x.split_at(i) +} + +// CHECK-LABEL: @partition_point_split_no_bounds_check +#[no_mangle] +pub fn partition_point_split_no_bounds_check(x: &[i32], needle: i32) -> (&[i32], &[i32]) { + // CHECK-NOT: call core::panicking::panic + let i = x.partition_point(|p| p < &needle); + x.split_at(i) +} |