From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/codegen/enum-bounds-check-derived-idx.rs | 26 +++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/test/codegen/enum-bounds-check-derived-idx.rs (limited to 'src/test/codegen/enum-bounds-check-derived-idx.rs') diff --git a/src/test/codegen/enum-bounds-check-derived-idx.rs b/src/test/codegen/enum-bounds-check-derived-idx.rs new file mode 100644 index 000000000..fe02aeb5f --- /dev/null +++ b/src/test/codegen/enum-bounds-check-derived-idx.rs @@ -0,0 +1,26 @@ +// This test checks an optimization that is not guaranteed to work. This test case should not block +// a future LLVM update. +// compile-flags: -O + +#![crate_type = "lib"] + +pub enum Bar { + A = 1, + B = 3, +} + +// CHECK-LABEL: @lookup_inc +#[no_mangle] +pub fn lookup_inc(buf: &[u8; 5], f: Bar) -> u8 { + // FIXME: panic check can be removed by adding the assumes back after https://github.com/rust-lang/rust/pull/98332 + // CHECK: panic_bounds_check + buf[f as usize + 1] +} + +// CHECK-LABEL: @lookup_dec +#[no_mangle] +pub fn lookup_dec(buf: &[u8; 5], f: Bar) -> u8 { + // FIXME: panic check can be removed by adding the assumes back after https://github.com/rust-lang/rust/pull/98332 + // CHECK: panic_bounds_check + buf[f as usize - 1] +} -- cgit v1.2.3