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C++: Add constant analysis for bitwise operations now that these are no longer constant folded by IR construction.

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Mathias Vorreiter Pedersen
2024-03-19 16:23:57 +00:00
parent 54262a53c3
commit 458ee13345
2 changed files with 18 additions and 0 deletions
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6
cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/constant/ConstantAnalysis.qll
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@@ -38,6 +38,12 @@ private int getBinaryInstructionValue(BinaryInstruction instr) {
or
instr instanceof DivInstruction and result = div(left, right)
or
instr instanceof BitOrInstruction and result = bitOr(left, right)
or
instr instanceof BitAndInstruction and result = bitAnd(left, right)
or
instr instanceof BitXorInstruction and result = bitXor(left, right)
or
instr instanceof CompareEQInstruction and result = compareEQ(left, right)
or
instr instanceof CompareNEInstruction and result = compareNE(left, right)