Subject: Publishing
From: Keunwoo Lee (klee@cs.washington.edu)
Date: Tue Dec 12 2000 - 03:35:50 PST
Committing several changes:
+ Committing my work on the builder framework in ir/builder.
+ See builder-driver.cecil for some usage examples, but do not
attempt to build it with the rest of the compiler (ha).
builder-driver.cecil may be deleted at some later date.
+ A few changes to IR slices to support the builder implementation:
+ CFG no longer has a notion of a distinguished root, only incoming
edges. However, for the convenience of a few other functions,
I've implemented a method roots(@WindCFG) that computes root nodes
from the incoming edges on demand.
+ All the base slices (CFG, DFG, AST) should now have a method
new_ir_edge(WindIRSliceKind, src, dest).
+ NullValueNode is now the standard source of incoming edges in the
DFG.
Probably miscellaneous other little textual changes.
+ Moved most of the convenience accessors in ast-helpers.cecil to
ir-node.cecil, as Craig proposed earlier. I found it incongruous to
leave the AST-specific accessors in ast-helpers, however, so I
moved them too. The node constructors, though, are still in
ast-helpers.cecil.
+ Changed rep checking so that it only accepts discrete-valued (i.e.,
int or char) reps for ConvertUnaryOp. This is in line with the new
semantics of the "Convert" operator; the change is reflected in
notes/ir.txt.
Let me know if you have problems.
~k.lee
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