Commit 5f575bc

committed

Add a test

1 parent a59a8f9 commit 5f575bcCopy full SHA for 5f575bc

File tree

+14

-0

lines changed

+14

-0

lines changed

Lines changed: 14 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,20 @@ pub fn option_none_init() -> [Option<u8>; N] {`
`89`	`89`	`[None; N]`
`90`	`90`	`}`
`91`	`91`
	`92`	`+use std::mem::MaybeUninit;`
	`93`	`+`
	`94`	`+// FIXME: This could be optimized into a memset.`
	`95`	`+// Regression test for <https://github.com/rust-lang/rust/issues/137892>.`
	`96`	`+#[no_mangle]`
	`97`	`+pub fn half_uninit() -> [(u128, MaybeUninit<u128>); N] {`
	`98`	`+ // CHECK-NOT: select`
	`99`	`+ // CHECK: br label %repeat_loop_header{{.*}}`
	`100`	`+ // CHECK-NOT: switch`
	`101`	`+ // CHECK: icmp`
	`102`	`+ // CHECK-NOT: call void @llvm.memset.p0`
	`103`	`+ [const { (0, MaybeUninit::uninit()) }; N]`
	`104`	`+}`
	`105`	`+`
`92`	`106`	`// Use an opaque function to prevent rustc from removing useless drops.`
`93`	`107`	`#[inline(never)]`
`94`	`108`	`pub fn opaque(_: impl Sized) {}`

Comments

(0)