mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-30 14:01:51 +00:00
9692513b7e
On LLVM 20, these instructions already get eliminated, which at least partially satisfies a TODO. I'm not talented enough at using FileCheck to try and constrain this further, but if we really want to we could copy an LLVM 20 specific version of this test that would restore it to being CHECK-NEXT: insertvalue ... @rustbot label: +llvm-main
132 lines
3.7 KiB
Rust
132 lines
3.7 KiB
Rust
//@ compile-flags: -O -Z merge-functions=disabled --edition=2021
|
|
//@ only-x86_64
|
|
// FIXME: Remove the `min-llvm-version`.
|
|
//@ revisions: NINETEEN TWENTY
|
|
//@[NINETEEN] min-llvm-version: 19
|
|
//@[NINETEEN] ignore-llvm-version: 20-99
|
|
//@[TWENTY] min-llvm-version: 20
|
|
|
|
#![crate_type = "lib"]
|
|
#![feature(try_blocks)]
|
|
|
|
use std::ops::ControlFlow::{self, Break, Continue};
|
|
use std::ptr::NonNull;
|
|
|
|
// CHECK-LABEL: @option_nop_match_32
|
|
#[no_mangle]
|
|
pub fn option_nop_match_32(x: Option<u32>) -> Option<u32> {
|
|
// CHECK: start:
|
|
// NINETEEN-NEXT: [[TRUNC:%.*]] = trunc nuw i32 %0 to i1
|
|
// NINETEEN-NEXT: [[FIRST:%.*]] = select i1 [[TRUNC]], i32 %0
|
|
// NINETEEN-NEXT: insertvalue { i32, i32 } poison, i32 [[FIRST]], 0
|
|
// TWENTY-NEXT: insertvalue { i32, i32 } poison, i32 %0, 0
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: ret { i32, i32 }
|
|
match x {
|
|
Some(x) => Some(x),
|
|
None => None,
|
|
}
|
|
}
|
|
|
|
// CHECK-LABEL: @option_nop_traits_32
|
|
#[no_mangle]
|
|
pub fn option_nop_traits_32(x: Option<u32>) -> Option<u32> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: ret { i32, i32 }
|
|
try { x? }
|
|
}
|
|
|
|
// CHECK-LABEL: @result_nop_match_32
|
|
#[no_mangle]
|
|
pub fn result_nop_match_32(x: Result<i32, u32>) -> Result<i32, u32> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: ret { i32, i32 }
|
|
match x {
|
|
Ok(x) => Ok(x),
|
|
Err(x) => Err(x),
|
|
}
|
|
}
|
|
|
|
// CHECK-LABEL: @result_nop_traits_32
|
|
#[no_mangle]
|
|
pub fn result_nop_traits_32(x: Result<i32, u32>) -> Result<i32, u32> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: ret { i32, i32 }
|
|
try { x? }
|
|
}
|
|
|
|
// CHECK-LABEL: @result_nop_match_64
|
|
#[no_mangle]
|
|
pub fn result_nop_match_64(x: Result<i64, u64>) -> Result<i64, u64> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i64, i64 }
|
|
// CHECK-NEXT: insertvalue { i64, i64 }
|
|
// CHECK-NEXT: ret { i64, i64 }
|
|
match x {
|
|
Ok(x) => Ok(x),
|
|
Err(x) => Err(x),
|
|
}
|
|
}
|
|
|
|
// CHECK-LABEL: @result_nop_traits_64
|
|
#[no_mangle]
|
|
pub fn result_nop_traits_64(x: Result<i64, u64>) -> Result<i64, u64> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i64, i64 }
|
|
// CHECK-NEXT: insertvalue { i64, i64 }
|
|
// CHECK-NEXT: ret { i64, i64 }
|
|
try { x? }
|
|
}
|
|
|
|
// CHECK-LABEL: @result_nop_match_ptr
|
|
#[no_mangle]
|
|
pub fn result_nop_match_ptr(x: Result<usize, Box<()>>) -> Result<usize, Box<()>> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
|
|
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
|
|
// CHECK-NEXT: ret
|
|
match x {
|
|
Ok(x) => Ok(x),
|
|
Err(x) => Err(x),
|
|
}
|
|
}
|
|
|
|
// CHECK-LABEL: @result_nop_traits_ptr
|
|
#[no_mangle]
|
|
pub fn result_nop_traits_ptr(x: Result<u64, NonNull<()>>) -> Result<u64, NonNull<()>> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
|
|
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
|
|
// CHECK-NEXT: ret
|
|
try { x? }
|
|
}
|
|
|
|
// CHECK-LABEL: @control_flow_nop_match_32
|
|
#[no_mangle]
|
|
pub fn control_flow_nop_match_32(x: ControlFlow<i32, u32>) -> ControlFlow<i32, u32> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: ret { i32, i32 }
|
|
match x {
|
|
Continue(x) => Continue(x),
|
|
Break(x) => Break(x),
|
|
}
|
|
}
|
|
|
|
// CHECK-LABEL: @control_flow_nop_traits_32
|
|
#[no_mangle]
|
|
pub fn control_flow_nop_traits_32(x: ControlFlow<i32, u32>) -> ControlFlow<i32, u32> {
|
|
// CHECK: start:
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: insertvalue { i32, i32 }
|
|
// CHECK-NEXT: ret { i32, i32 }
|
|
try { x? }
|
|
}
|