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Fix handling of CHECK-DAG combined with CHECK-NOT
Patch by Daniel Sanders. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187651 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -22,4 +22,5 @@ mul r5, r10, r11
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; CHECK-DAG: add [[REG1:r[0-9]+]], r1, r2
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; CHECK-DAG: add [[REG2:r[0-9]+]], r3, r4
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; CHECK-NOT: xor
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; CHECK-DAG: mul r5, [[REG1]], [[REG2]]
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@ -1013,8 +1013,7 @@ size_t CheckString::CheckDag(const SourceMgr &SM, StringRef Buffer,
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// CHECK-DAG, verify that there's no 'not' strings occurred in that
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// region.
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StringRef SkippedRegion = Buffer.substr(LastPos, MatchPos);
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size_t Pos = CheckNot(SM, SkippedRegion, NotStrings, VariableTable);
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if (Pos != StringRef::npos)
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if (CheckNot(SM, SkippedRegion, NotStrings, VariableTable))
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return StringRef::npos;
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// Clear "not strings".
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NotStrings.clear();
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