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Add a test for -Zhir-stats output.

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This will be very useful in subsequent commits where I will improve the
output.
This commit is contained in:
Nicholas Nethercote 2022-08-11 10:11:13 +10:00
parent f03ce30962
commit bf20777d13
2 changed files with 124 additions and 0 deletions
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41
src/test/ui/stats/hir-stats.rs Normal file
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// check-pass
// compile-flags: -Zhir-stats
// only-x86_64
// The aim here is to include at least one of every different type of AST/HIR
// node reported by `-Zhir-stats`.
#![allow(dead_code)]
use std::arch::asm;
use std::fmt::Debug;
use std::ffi::c_void;
extern "C" { fn f(p: *mut c_void); }
/// An enum.
enum E<'a, T: Copy> { A { t: T }, B(&'a u32) }
trait Go {
type G: Debug;
fn go(self) -> u32;
}
impl<'a, T: Copy> Go for E<'a, T> {
type G = bool;
fn go(self) -> u32 {
99
}
}
fn f2<T>(t: T) where T: Debug {}
fn main() {
let x = E::A { t: 3 };
match x {
E::A { .. } => {}
_ => {}
}
unsafe { asm!("mov rdi, 1"); }
}

83
src/test/ui/stats/hir-stats.stderr Normal file
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PRE EXPANSION AST STATS
Name Accumulated Size Count Item Size
----------------------------------------------------------------
Lifetime 32 2 16
MacCall 64 1 64
Local 72 1 72
Arm 96 2 48
FieldDef 160 2 80
ForeignItem 160 1 160
Stmt 160 5 32
FnDecl 200 5 40
Variant 240 2 120
Block 288 6 48
Attribute 304 2 152
ImplItem 320 2 160
TraitItem 320 2 160
GenericBound 352 4 88
PathSegment 720 30 24
Expr 832 8 104
Pat 840 7 120
Ty 1_344 14 96
Item 1_800 9 200
----------------------------------------------------------------
Total 8_304
POST EXPANSION AST STATS
Name Accumulated Size Count Item Size
----------------------------------------------------------------
Lifetime 32 2 16
Local 72 1 72
Arm 96 2 48
FieldDef 160 2 80
ForeignItem 160 1 160
Stmt 160 5 32
FnDecl 200 5 40
Variant 240 2 120
Block 288 6 48
ImplItem 320 2 160
TraitItem 320 2 160
GenericBound 352 4 88
Attribute 608 4 152
PathSegment 792 33 24
Pat 840 7 120
Expr 936 9 104
Ty 1_344 14 96
Item 2_200 11 200
----------------------------------------------------------------
Total 9_120
HIR STATS
Name Accumulated Size Count Item Size
----------------------------------------------------------------
Param 64 2 32
Local 64 1 64
ForeignItem 72 1 72
FieldDef 96 2 48
Arm 96 2 48
Stmt 96 3 32
FnDecl 120 3 40
Lifetime 128 4 32
Variant 160 2 80
ImplItem 176 2 88
GenericBound 192 4 48
TraitItem 192 2 96
WherePredicate 216 3 72
Block 288 6 48
QPath 408 17 24
Pat 440 5 88
Attribute 608 4 152
Expr 672 12 56
Item 960 12 80
Ty 1_152 16 72
Path 1_296 27 48
PathSegment 2_240 40 56
----------------------------------------------------------------
Total 9_736