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Rollup of 1 pull requests #122353

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3ab6936
mir-opt unnamed-fields filecheck annotations
Kirandevraj Mar 1, 2024
6f1156a
fixing mir pass name to text comment
Kirandevraj Mar 9, 2024
ba70528
updating variable names in CHECK
Kirandevraj Mar 11, 2024
beff7e4
Rollup merge of #121865 - Kirandevraj:unnamed-fields-filecheck, r=oli…
workingjubilee Mar 11, 2024
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21 changes: 20 additions & 1 deletion tests/mir-opt/unnamed-fields/field_access.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
// skip-filecheck
// Tests the correct handling of unnamed fields within structs and unions marked with #[repr(C)].

// EMIT_MIR field_access.foo.SimplifyCfg-initial.after.mir
// EMIT_MIR field_access.bar.SimplifyCfg-initial.after.mir

Expand Down Expand Up @@ -36,18 +37,36 @@ union Bar {

fn access<T>(_: T) {}

// CHECK-LABEL: fn foo(
fn foo(foo: Foo) {
// CHECK [[a:_.*]] = (_1.0: u8);
// CHECK _.* = access::<u8>(move [[a]]) -> [return: bb1, unwind: bb5];
access(foo.a);
// CHECK [[b:_.*]] = ((_1.1: Foo::{anon_adt#0}).0: i8);
// CHECK _.* = access::<i8>(move [[b]]) -> [return: bb2, unwind: bb5];
access(foo.b);
// CHECK [[c:_.*]] = ((_1.1: Foo::{anon_adt#0}).1: bool);
// CHECK _.* = access::<bool>(move [[c]]) -> [return: bb3, unwind: bb5];
access(foo.c);
// CHECK [[d:_.*]] = (((_1.2: Foo::{anon_adt#1}).0: Foo::{anon_adt#1}::{anon_adt#0}).0: [u8; 1]);
// CHECK _.* = access::<[u8; 1]>(move [[d]]) -> [return: bb4, unwind: bb5];
access(foo.d);
}

// CHECK-LABEL: fn bar(
fn bar(bar: Bar) {
unsafe {
// CHECK [[a:_.*]] = (_1.0: u8);
// CHECK _.* = access::<u8>(move [[a]]) -> [return: bb1, unwind: bb5];
access(bar.a);
// CHECK [[b:_.*]] = ((_1.1: Bar::{anon_adt#0}).0: i8);
// CHECK _.* = access::<i8>(move [[b]]) -> [return: bb2, unwind: bb5];
access(bar.b);
// CHECK [[c:_.*]] = ((_1.1: Bar::{anon_adt#0}).1: bool);
// CHECK _.* = access::<bool>(move [[c]]) -> [return: bb3, unwind: bb5];
access(bar.c);
// CHECK [[d:_.*]] = (((_1.2: Bar::{anon_adt#1}).0: Bar::{anon_adt#1}::{anon_adt#0}).0: [u8; 1]);
// CHECK _.* = access::<[u8; 1]>(move [[d]]) -> [return: bb4, unwind: bb5];
access(bar.d);
}
}
Expand Down