C++: Add a 'getCall' predicate to 'ArgumentOperand'.

MathiasVP · MathiasVP · commit 3a1a9a771c63 · 2023-01-30T17:31:52.000Z
diff --git a/cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll b/cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll
@@ -412,6 +412,9 @@ class CallTargetOperand extends RegisterOperand {
  */
 class ArgumentOperand extends RegisterOperand {
   override ArgumentOperandTag tag;
+
+  /** Gets the `CallInstruction` for which this is an argument. */
+  CallInstruction getCall() { result.getAnArgumentOperand() = this }
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -412,6 +412,9 @@ class CallTargetOperand extends RegisterOperand {`
`412`	`412`	`*/`
`413`	`413`	`class ArgumentOperand extends RegisterOperand {`
`414`	`414`	`override ArgumentOperandTag tag;`
	`415`	`+`
	`416`	+ /** Gets the `CallInstruction` for which this is an argument. */
	`417`	`+ CallInstruction getCall() { result.getAnArgumentOperand() = this }`
`415`	`418`	`}`
`416`	`419`
`417`	`420`	`/**`