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C++ Use dontcare instead of one-use exists

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Co-authored-by: Mathias Vorreiter Pedersen <mathiasvp@github.com>
This commit is contained in:
Robert Marsh
2021-01-26 14:12:49 -08:00
committed by GitHub
parent 44bc6d7fdb
commit 8919e5546b
1 changed files with 4 additions and 4 deletions
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8
cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Operand.qll
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@@ -27,13 +27,13 @@ private class TStageOperand =
class Operand extends TStageOperand {
Operand() {
// Ensure that the operand does not refer to instructions from earlier stages that are unreachable here
exists(Instruction use, Instruction def | this = registerOperand(use, _, def))
this = registerOperand(_, _, _)
or
exists(Instruction use | this = nonSSAMemoryOperand(use, _))
this = nonSSAMemoryOperand(_, _)
or
exists(Instruction use, Instruction def, IRBlock block | this = phiOperand(use, def, block, _))
this = phiOperand(_, _, _, _)
or
exists(Instruction use | this = chiOperand(use, _))
this = chiOperand(_, _)
}
/** Gets a textual representation of this element. */