rust/tests/codegen/integer-cmp.rs
许杰友 Jieyou Xu (Joe) 91fa16b211 tests: use max-llvm-major-version instead of ignore-llvm-version range like N - 99
For tests that use `ignore-llvm-version: N - M`, replace that with
`max-llvm-major-version: N-1`.
2024-11-14 17:44:54 +08:00

34 lines
850 B
Rust

// This is test for more optimal Ord implementation for integers.
// See <https://github.com/rust-lang/rust/issues/63758> for more info.
//@ revisions: llvm-pre-20 llvm-20
//@ [llvm-20] min-llvm-version: 20
//@ [llvm-pre-20] max-llvm-major-version: 19
//@ compile-flags: -C opt-level=3
#![crate_type = "lib"]
use std::cmp::Ordering;
// CHECK-LABEL: @cmp_signed
#[no_mangle]
pub fn cmp_signed(a: i64, b: i64) -> Ordering {
// llvm-20: @llvm.scmp.i8.i64
// llvm-pre-20: icmp slt
// llvm-pre-20: icmp ne
// llvm-pre-20: zext i1
// llvm-pre-20: select i1
a.cmp(&b)
}
// CHECK-LABEL: @cmp_unsigned
#[no_mangle]
pub fn cmp_unsigned(a: u32, b: u32) -> Ordering {
// llvm-20: @llvm.ucmp.i8.i32
// llvm-pre-20: icmp ult
// llvm-pre-20: icmp ne
// llvm-pre-20: zext i1
// llvm-pre-20: select i1
a.cmp(&b)
}