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were being pruned in patterns where a variable was used more than once, e.g.: (or (and R32C:$rA, R32C:$rC), (and R32C:$rB, (not R32C:$rC))) In this example, $rC is used more than once and is actually significant to instruction selection pattern matching when commuted variants are produced. This patch scans the pattern's clauses and collects the variables, creating a set of variables that are used more than once. TreePatternNode::isIsomorphicTo() also understands that multiply-used variables are significant. llvm-svn: 47950 |
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| .. | ||
| buildit | ||
| emacs | ||
| fpcmp | ||
| PerfectShuffle | ||
| TableGen | ||
| vim | ||
| cgiplotNLT.pl | ||
| check-each-file | ||
| codegen-diff | ||
| countloc.sh | ||
| DSAclean.py | ||
| DSAextract.py | ||
| findmisopt | ||
| findoptdiff | ||
| findsym.pl | ||
| GenLibDeps.pl | ||
| getsrcs.sh | ||
| importNLT.pl | ||
| llvm-native-gcc | ||
| llvm-native-gxx | ||
| llvmdo | ||
| llvmgrep | ||
| Makefile | ||
| makellvm | ||
| mkpatch | ||
| NewNightlyTest.pl | ||
| NightlyTest.gnuplot | ||
| NightlyTestTemplate.html | ||
| NLT.schema | ||
| OldenDataRecover.pl | ||
| parseNLT.pl | ||
| plotNLT.pl | ||
| profile.pl | ||
| RegressionFinder.pl | ||
| userloc.pl | ||
| webNLT.pl | ||