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[TableGen] Handle ValueType in CodeGenDAGPatterns GetNumNodeResults

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A ValueType in a pattern dag is a type cast, and GetNumNodeResults should
handle it (the type cast has only one result).

This comes up, for example, during the type checking of pattern fragments, for
example, AArch64's Neon_combine_2d fragment is:
  dag Operands = (ops node:$Rm, node:$Rn);
  dag Fragment = (v2f64 (concat_vectors (v1f64 node:$Rm), (v1f64 node:$Rn)));

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198347 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2014-01-02 20:47:05 +00:00
parent e13db1008b
commit 6fa9961327
1 changed files with 3 additions and 0 deletions
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3
utils/TableGen/CodeGenDAGPatterns.cpp
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@ -1116,6 +1116,9 @@ static unsigned GetNumNodeResults(Record *Operator, CodeGenDAGPatterns &CDP) {
if (Operator->isSubClassOf("SDNodeXForm"))
return 1; // FIXME: Generalize SDNodeXForm
if (Operator->isSubClassOf("ValueType"))
return 1; // A type-cast of one result.
Operator->dump();
errs() << "Unhandled node in GetNumNodeResults\n";
exit(1);