[InstCombine] Remove unnecessary worklist push; NFCI

nikic · nikic · commit 5b2b67be8eef · 2020-02-08T17:09:28.000+01:00
This is no longer needed after d4627b9, should have dropped it there...
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
@@ -3099,7 +3099,6 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) {
       if (match(Op0, m_Or(m_Value(X), m_APInt(C))) &&
           MaskedValueIsZero(X, *C, 0, &I)) {
         Constant *NewC = ConstantInt::get(I.getType(), *C ^ *RHSC);
-        Worklist.push(cast<Instruction>(Op0));
         return BinaryOperator::CreateXor(X, NewC);
       }
     }

Original file line number	Diff line number	Diff line change
`@@ -3099,7 +3099,6 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) {`
`3099`	`3099`	`if (match(Op0, m_Or(m_Value(X), m_APInt(C))) &&`
`3100`	`3100`	`MaskedValueIsZero(X, *C, 0, &I)) {`
`3101`	`3101`	`Constant NewC = ConstantInt::get(I.getType(), C ^ *RHSC);`
`3102`		`- Worklist.push(cast<Instruction>(Op0));`
`3103`	`3102`	`return BinaryOperator::CreateXor(X, NewC);`
`3104`	`3103`	`}`
`3105`	`3104`	`}`