diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src/lower_intrinsics.rs')
| -rw-r--r-- | compiler/rustc_mir_transform/src/lower_intrinsics.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs index b7ba616510c..652c344ee14 100644 --- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs +++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs @@ -62,6 +62,17 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics { drop(args); terminator.kind = TerminatorKind::Goto { target }; } + sym::assume => { + let target = target.unwrap(); + let mut args = args.drain(..); + block.statements.push(Statement { + source_info: terminator.source_info, + kind: StatementKind::Assume(Box::new(args.next().unwrap())), + }); + assert_eq!(args.next(), None, "Extra argument for assume intrinsic"); + drop(args); + terminator.kind = TerminatorKind::Goto { target }; + } sym::wrapping_add | sym::wrapping_sub | sym::wrapping_mul => { if let Some(target) = *target { let lhs; |