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TableGen: Allow dag operators to be resolved late

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Change-Id: I51bb80fd5c48c8ac441ab11e43d43c1b91b4b590

Differential revision: https://reviews.llvm.org/D44113

llvm-svn: 327495
This commit is contained in:
Nicolai Haehnle 2018-03-14 11:00:48 +00:00
parent 5962b8bbf7
commit 1faf7228d7
2 changed files with 22 additions and 4 deletions
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9
lib/TableGen/Record.cpp
View File

@ -859,8 +859,13 @@ Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
if (LHSs && RHSs) {
DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator());
DefInit *ROp = dyn_cast<DefInit>(RHSs->getOperator());
if (!LOp || !ROp || LOp->getDef() != ROp->getDef())
PrintFatalError("Concated Dag operators do not match!");
if (!LOp || !ROp)
break;
if (LOp->getDef() != ROp->getDef()) {
PrintFatalError(Twine("Concatenated Dag operators do not match: '") +
LHSs->getAsString() + "' vs. '" + RHSs->getAsString() +
"'");
}
SmallVector<Init*, 8> Args;
SmallVector<StringInit*, 8> ArgNames;
for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {

17
test/TableGen/dag-functional.td
View File

@ -40,7 +40,13 @@
// CHECK: dag d1 = (ops 1, ?:$name1, 2, 3);
// CHECK: }
def ops;
// CHECK: def E0 {
// CHECK: dag ret = (ops 1, 2);
// CHECK: }
class Ops;
def ops : Ops;
class Node<int val, string name> {
int Val = val;
@ -100,4 +106,11 @@ def C0 : C<[1, 2], ["a", "b"]>;
def D {
dag d1 = !con((ops 1), (ops $name1), (ops), (ops 2, 3));
}
}
class E<Ops op> {
// Allow concatenation of DAG nodes with operators from template arguments.
dag ret = !con((op 1), (op 2));
}
def E0 : E<ops>;