From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/slice-windows-no-bounds-check.rs | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 tests/codegen/slice-windows-no-bounds-check.rs (limited to 'tests/codegen/slice-windows-no-bounds-check.rs') diff --git a/tests/codegen/slice-windows-no-bounds-check.rs b/tests/codegen/slice-windows-no-bounds-check.rs new file mode 100644 index 000000000..4f5f4425c --- /dev/null +++ b/tests/codegen/slice-windows-no-bounds-check.rs @@ -0,0 +1,35 @@ +#![crate_type = "lib"] + +// compile-flags: -O + +use std::slice::Windows; + +// CHECK-LABEL: @naive_string_search +#[no_mangle] +pub fn naive_string_search(haystack: &str, needle: &str) -> Option { + if needle.is_empty() { + return Some(0); + } + // CHECK-NOT: panic + // CHECK-NOT: fail + haystack + .as_bytes() + .windows(needle.len()) + .position(|sub| sub == needle.as_bytes()) +} + +// CHECK-LABEL: @next +#[no_mangle] +pub fn next<'a>(w: &mut Windows<'a, u32>) -> Option<&'a [u32]> { + // CHECK-NOT: panic + // CHECK-NOT: fail + w.next() +} + +// CHECK-LABEL: @next_back +#[no_mangle] +pub fn next_back<'a>(w: &mut Windows<'a, u32>) -> Option<&'a [u32]> { + // CHECK-NOT: panic + // CHECK-NOT: fail + w.next_back() +} -- cgit v1.2.3