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56bb9dcde0
The existing unreachable IR removal code only retargeted an infeasible edge to an `Unreached` instruction if the successor of the edge was an unreachable block. This is too conservative, because it doesn't remove an infeasible edge that targets a block that is still reachable via other paths. The trivial example of this is `do { } while (false);`, where the back edge is infeasible, but the body block is still reachable from the loop entry.
This change retargets all infeasible edges to `Unreached` instructions, regardless of the reachability of the successor block.
103 lines
5.5 KiB
JSON
103 lines
5.5 KiB
JSON
{
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"DataFlow Java/C++": [
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl.qll",
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl2.qll",
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl3.qll",
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl4.qll",
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl5.qll",
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImplDepr.qll",
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"cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl.qll",
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"cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl2.qll",
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"cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl3.qll",
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"cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl4.qll",
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"cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl.qll",
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"cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl2.qll",
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"cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl3.qll",
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"cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl4.qll"
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],
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"DataFlow Java/C++ Common": [
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"java/ql/src/semmle/code/java/dataflow/internal/DataFlowImplCommon.qll",
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"cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImplCommon.qll",
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"cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImplCommon.qll"
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],
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"C++ IR Instruction": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll"
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],
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"C++ IR IRBlock": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRBlock.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRBlock.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRBlock.qll"
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],
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"C++ IR IRVariable": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRVariable.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRVariable.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRVariable.qll"
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],
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"C++ IR FunctionIR": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/FunctionIR.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/FunctionIR.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/FunctionIR.qll"
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],
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"C++ IR Operand": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Operand.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Operand.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll"
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],
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"C++ IR IRImpl": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IR.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IR.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IR.qll"
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],
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"C++ IR IRSanityImpl": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRSanity.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRSanity.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRSanity.qll"
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],
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"C++ IR PrintIRImpl": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/PrintIR.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/PrintIR.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/PrintIR.qll"
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],
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"C++ SSA AliasAnalysis": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasAnalysis.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasAnalysis.qll"
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],
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"C++ SSA SSAConstruction": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConstruction.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConstruction.qll"
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],
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"C++ IR ValueNumber": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/gvn/ValueNumbering.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/ValueNumbering.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/ValueNumbering.qll"
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],
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"C++ IR ConstantAnalysis": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/constant/ConstantAnalysis.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/ConstantAnalysis.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/constant/ConstantAnalysis.qll"
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],
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"C++ IR PrintConstantAnalysis": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/constant/PrintConstantAnalysis.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/PrintConstantAnalysis.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/constant/PrintConstantAnalysis.qll"
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],
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"C++ IR ReachableBlock": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/ReachableBlock.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/ReachableBlock.qll"
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],
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"C++ IR PrintReachableBlock": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintReachableBlock.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintReachableBlock.qll"
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],
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"C++ IR Dominance": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/Dominance.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/Dominance.qll"
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],
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"C++ IR PrintDominance": [
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"cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintDominance.qll",
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"cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintDominance.qll"
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]
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}
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