Lower the assume intrinsic to a MIR statement

2022-06-30 08:16:05 +00:00
parent 3c72788461
commit 3f07645120
33 changed files with 212 additions and 30 deletions
--- a/compiler/rustc_const_eval/src/transform/validate.rs
+++ b/compiler/rustc_const_eval/src/transform/validate.rs
@@ -636,6 +636,15 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
                    );
                }
            }
+            StatementKind::Assume(box ref op) => {
+                let ty = op.ty(&self.body.local_decls, self.tcx);
+                if !ty.is_bool() {
+                    self.fail(
+                        location,
+                        format!("`assume` argument must be `bool`, but got: `{}`", ty),
+                    );
+                }
+            }
            StatementKind::CopyNonOverlapping(box rustc_middle::mir::CopyNonOverlapping {
                ref src,
                ref dst,