diff options
Diffstat (limited to 'src/test/codegen/issue-69101-bounds-check.rs')
-rw-r--r-- | src/test/codegen/issue-69101-bounds-check.rs | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/src/test/codegen/issue-69101-bounds-check.rs b/src/test/codegen/issue-69101-bounds-check.rs deleted file mode 100644 index a3aca3a29..000000000 --- a/src/test/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]; - } -} |