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4450b91ba1
Summary:
The following example gives the error message "expected value of type
'bits<32>', got 'bit'" on the assignment.
class Instruction { bits<32> encoding; }
def foo: Instruction { let encoding{10} = !eq(0, 1); }
But there's nothing wrong with this code: 'bit' is a perfectly good
type for the RHS of an assignment to a //single bit// of an
instruction encoding.
The problem is that `ParseBodyItem` is accidentally type-checking the
RHS against the full type of the `encoding` field, without adjusting
it in the case where we're only assigning to a subset of the bits. The
fix is trivial.
Reviewers: nhaehnle, hfinkel
Reviewed By: hfinkel
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D74220