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Merge pull request #12861 from MathiasVP/ignore-more-instructions-for-dataflow

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C++: Ignore a few more instructions in dataflow
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Mathias Vorreiter Pedersen
2023-04-18 18:17:11 +01:00
committed by GitHub
parent fb1a871777 6e5f09f7bb
commit 9aca2d8533
1 changed files with 5 additions and 0 deletions
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5
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/SsaInternalsCommon.qll
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@@ -26,12 +26,17 @@ predicate ignoreOperand(Operand operand) {
predicate ignoreInstruction(Instruction instr) {
DataFlowImplCommon::forceCachingInSameStage() and
(
instr instanceof CallSideEffectInstruction or
instr instanceof CallReadSideEffectInstruction or
instr instanceof ExitFunctionInstruction or
instr instanceof EnterFunctionInstruction or
instr instanceof WriteSideEffectInstruction or
instr instanceof PhiInstruction or
instr instanceof ReadSideEffectInstruction or
instr instanceof ChiInstruction or
instr instanceof InitializeIndirectionInstruction or
instr instanceof AliasedDefinitionInstruction or
instr instanceof AliasedUseInstruction or
instr instanceof InitializeNonLocalInstruction or
instr instanceof ReturnIndirectionInstruction
)