From cf94bdc0742c13e2a0cac864c478b8626b266e1b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:11:38 +0200 Subject: Merging upstream version 1.66.0+dfsg1. Signed-off-by: Daniel Baumann --- .../codegen/binary-search-index-no-bound-check.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/test/codegen/binary-search-index-no-bound-check.rs') 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) +} -- cgit v1.2.3