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Commit 0592cf7e authored by Christopher Lamb's avatar Christopher Lamb
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Allow ComplexExpressions in InstrInfo.td files to be slightly more... complex!... 

Allow ComplexExpressions in InstrInfo.td files to be slightly more... complex! ComplexExpressions can now have attributes which affect how TableGen interprets
the pattern when generating matchin code. 

The first (and currently, only) attribute causes the immediate parent node of the ComplexPattern operand to be passed into the matching code rather than the node at the root of the entire DAG containing the pattern.

llvm-svn: 46606
parent 58ffa8c5
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