Update upstream source from tag 'upstream/1.70.0+dfsg1'

[rustc.git] / tests / codegen / issue-69101-bounds-check.rs

diff --git a/tests/codegen/issue-69101-bounds-check.rs b/tests/codegen/issue-69101-bounds-check.rs
deleted file mode 100644 (file)
index a3aca3a..0000000
--- a/tests/codegen/issue-69101-bounds-check.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-// no-system-llvm
-// compile-flags: -O
-// ignore-debug: the debug assertions get in the way
-#![crate_type = "lib"]
-
-// Make sure no bounds checks are emitted in the loop when upfront slicing
-// ensures that the slices are big enough.
-// In particular, bounds checks were not always optimized out if the upfront
-// check was for a greater len than the loop requires.
-// (i.e. `already_sliced_no_bounds_check` was not always optimized even when
-// `already_sliced_no_bounds_check_exact` was)
-// CHECK-LABEL: @already_sliced_no_bounds_check
-#[no_mangle]
-pub fn already_sliced_no_bounds_check(a: &[u8], b: &[u8], c: &mut [u8]) {
-    // CHECK: slice_end_index_len_fail
-    // CHECK-NOT: panic_bounds_check
-    let _ = (&a[..2048], &b[..2048], &mut c[..2048]);
-    for i in 0..1024 {
-        c[i] = a[i] ^ b[i];
-    }
-}
-
-// CHECK-LABEL: @already_sliced_no_bounds_check_exact
-#[no_mangle]
-pub fn already_sliced_no_bounds_check_exact(a: &[u8], b: &[u8], c: &mut [u8]) {
-    // CHECK: slice_end_index_len_fail
-    // CHECK-NOT: panic_bounds_check
-    let _ = (&a[..1024], &b[..1024], &mut c[..1024]);
-    for i in 0..1024 {
-        c[i] = a[i] ^ b[i];
-    }
-}
-
-// Make sure we're checking for the right thing: there can be a panic if the slice is too small.
-// CHECK-LABEL: @already_sliced_bounds_check
-#[no_mangle]
-pub fn already_sliced_bounds_check(a: &[u8], b: &[u8], c: &mut [u8]) {
-    // CHECK: slice_end_index_len_fail
-    // CHECK: panic_bounds_check
-    let _ = (&a[..1023], &b[..2048], &mut c[..2048]);
-    for i in 0..1024 {
-        c[i] = a[i] ^ b[i];
-    }
-}