From 631cd5845e8de329d0e227aaa707d7ea228b8f8f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:20:29 +0200 Subject: Merging upstream version 1.70.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/issues/issue-59352.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tests/codegen/issues/issue-59352.rs (limited to 'tests/codegen/issues/issue-59352.rs') diff --git a/tests/codegen/issues/issue-59352.rs b/tests/codegen/issues/issue-59352.rs new file mode 100644 index 000000000..d271fe027 --- /dev/null +++ b/tests/codegen/issues/issue-59352.rs @@ -0,0 +1,18 @@ +// This test is a mirror of mir-opt/issues/issue-59352.rs. The LLVM inliner doesn't inline +// `char::method::is_digit()` and `char::method::to_digit()`, probably because of their size. +// +// Currently, the MIR optimizer isn't capable of removing the unreachable panic in this test case. +// Once the optimizer can do that, mir-opt/issues/issue-59352.rs will need to be updated and this +// test case should be removed as it will become redundant. + +// mir-opt-level=3 enables inlining and enables LLVM to optimize away the unreachable panic call. +// compile-flags: -O -Z mir-opt-level=3 + +#![crate_type = "rlib"] + +// CHECK-LABEL: @num_to_digit +#[no_mangle] +pub fn num_to_digit(num: char) -> u32 { + // CHECK-NOT: panic + if num.is_digit(8) { num.to_digit(8).unwrap() } else { 0 } +} -- cgit v1.2.3