mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-03 22:49:17 +00:00
29 lines
705 B
Rust
29 lines
705 B
Rust
// compile-flags: -g -O
|
|
|
|
// Check that simple constant values are preserved in debuginfo across both MIR opts and LLVM opts
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
#[no_mangle]
|
|
pub fn check_it() {
|
|
let a = 1;
|
|
let b = 42;
|
|
|
|
foo(a + b);
|
|
}
|
|
|
|
#[inline(never)]
|
|
fn foo(x: i32) {
|
|
std::process::exit(x);
|
|
}
|
|
|
|
// CHECK-LABEL: @check_it
|
|
// CHECK: call void @llvm.dbg.value(metadata i32 1, metadata ![[a_metadata:[0-9]+]], metadata !DIExpression())
|
|
// CHECK: call void @llvm.dbg.value(metadata i32 42, metadata ![[b_metadata:[0-9]+]], metadata !DIExpression())
|
|
|
|
// CHECK: ![[a_metadata]] = !DILocalVariable(name: "a"
|
|
// CHECK-SAME: line: 9
|
|
|
|
// CHECK: ![[b_metadata]] = !DILocalVariable(name: "b"
|
|
// CHECK-SAME: line: 10
|