From d1b2d29528b7794b41e66fc2136e395a02f8529b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 30 May 2024 05:59:35 +0200 Subject: Merging upstream version 1.73.0+dfsg1. Signed-off-by: Daniel Baumann --- .../codegen/enum/enum-bounds-check-derived-idx.rs | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tests/codegen/enum/enum-bounds-check-derived-idx.rs (limited to 'tests/codegen/enum/enum-bounds-check-derived-idx.rs') diff --git a/tests/codegen/enum/enum-bounds-check-derived-idx.rs b/tests/codegen/enum/enum-bounds-check-derived-idx.rs new file mode 100644 index 000000000..aa66c2ed0 --- /dev/null +++ b/tests/codegen/enum/enum-bounds-check-derived-idx.rs @@ -0,0 +1,24 @@ +// 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 { + // CHECK-NOT: panic_bounds_check + buf[f as usize + 1] +} + +// CHECK-LABEL: @lookup_dec +#[no_mangle] +pub fn lookup_dec(buf: &[u8; 5], f: Bar) -> u8 { + // CHECK-NOT: panic_bounds_check + buf[f as usize - 1] +} -- cgit v1.2.3