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codeql/cpp/ql
Dave Bartolomeo e62b884b48 C++/C#: Cache Instruction.getResultIRType()
Most of the predicates on `Instruction` are thin wrappers around cached predicates in the `IRConstruction` or `SSAConstruction` modules. However, `getResultIRType()` has to join `Construction::getInstructionResultType()` with `LanguageType::getIRType()`. `getResultIRType()` is called frequently both within the IR code and by IR consumers, and that's a big join to have to repeat in multiple stages.

I looked at most of the other predicates in `Instruction.qll`, and didn't see any other predicates that met all of the criteria of "large, commonly called, and not already inline".
2020-06-05 15:17:28 -04:00
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