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19 changes: 19 additions & 0 deletions src/passes/Print.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -289,6 +289,25 @@ struct PrintSExpression : public UnifiedExpressionVisitor<PrintSExpression> {
void visitArrayGet(ArrayGet* curr) {
maybePrintUnreachableOrNullReplacement(curr, curr->ref->type);
}
void visitArrayCopy(ArrayCopy* curr) {
if (curr->srcRef->type == Type::unreachable ||
curr->destRef->type == Type::unreachable ||
curr->srcRef->type.isNull() || curr->destRef->type.isNull()) {
maybePrintUnreachableOrNullReplacement(curr, Type::unreachable);
return;
}
visitExpression(curr);
}
void visitArrayFill(ArrayFill* curr) {
maybePrintUnreachableOrNullReplacement(curr, curr->ref->type);
}
void visitArrayInitData(ArrayInitData* curr) {
maybePrintUnreachableOrNullReplacement(curr, curr->ref->type);
}
void visitArrayInitElem(ArrayInitElem* curr) {
maybePrintUnreachableOrNullReplacement(curr, curr->ref->type);
}

// Module-level visitors
void handleSignature(HeapType curr, Name name = Name());
void visitExport(Export* curr);
Expand Down
17 changes: 13 additions & 4 deletions test/lit/passes/gufa-refs.wast
Original file line number Diff line number Diff line change
Expand Up @@ -5632,11 +5632,20 @@
(data $0 "")

;; CHECK: (func $test (type $0)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayInitData we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $test
Expand Down
126 changes: 93 additions & 33 deletions test/lit/passes/type-generalizing.wast
Original file line number Diff line number Diff line change
Expand Up @@ -1383,12 +1383,23 @@
;; CHECK: (func $array-copy-impossible-dest (type $0)
;; CHECK-NEXT: (local $dest nullref)
;; CHECK-NEXT: (local $src anyref)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.get $dest)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (local.get $src)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayCopy we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $dest)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $src)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-copy-impossible-dest
Expand All @@ -1408,12 +1419,23 @@
;; CHECK: (func $array-copy-impossible-src (type $0)
;; CHECK-NEXT: (local $dest anyref)
;; CHECK-NEXT: (local $src nullref)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.get $dest)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (local.get $src)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayCopy we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $dest)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $src)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-copy-impossible-src
Expand All @@ -1433,12 +1455,23 @@
;; CHECK: (func $array-copy-impossible-both (type $0)
;; CHECK-NEXT: (local $dest nullref)
;; CHECK-NEXT: (local $src nullref)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.get $dest)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (local.get $src)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayCopy we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $dest)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $src)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-copy-impossible-both
Expand Down Expand Up @@ -1481,11 +1514,20 @@
;; CHECK: (func $array-fill-impossible (type $0)
;; CHECK-NEXT: (local $ref nullref)
;; CHECK-NEXT: (local $val anyref)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.get $ref)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (local.get $val)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayFill we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $ref)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $val)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-fill-impossible
Expand Down Expand Up @@ -1522,11 +1564,20 @@

;; CHECK: (func $array-init-data-impossible (type $0)
;; CHECK-NEXT: (local $ref nullref)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.get $ref)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayInitData we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $ref)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-init-data-impossible
Expand Down Expand Up @@ -1562,11 +1613,20 @@

;; CHECK: (func $array-init-elem-impossible (type $0)
;; CHECK-NEXT: (local $ref nullref)
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.get $ref)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayInitElem we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $ref)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-init-elem-impossible
Expand Down
116 changes: 87 additions & 29 deletions test/lit/passes/unsubtyping.wast
Original file line number Diff line number Diff line change
Expand Up @@ -1441,19 +1441,41 @@
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayCopy we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (array.new_fixed $sub-array 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (array.new_fixed $sub-array 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block
;; CHECK-NEXT: (array.new_fixed $super-array 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayCopy we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (array.new_fixed $super-array 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-copy
Expand Down Expand Up @@ -1503,17 +1525,35 @@
;; CHECK-NEXT: (struct.new_default $sub)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayFill we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new_default $sub)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (struct.new_default $sub)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (struct.new_default $sub)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayFill we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new_default $sub)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-fill
Expand Down Expand Up @@ -1564,17 +1604,35 @@
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayInitElem we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (block ;; (replaces unreachable ArrayInitElem we can't emit)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $array-init-elem
Expand Down