# Interprocedural Analysis

> Use when working with a skill for analyzing programs across function/procedure boundaries, enabling whole-program analysis.

- Skill: `tomevault-io/interprocedural-analysis` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/interprocedural-analysis`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/interprocedural-analysis/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/interprocedural-analysis

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# Interprocedural Analysis

**Domain**: Static Analysis / Programming Languages

## Overview

A skill for analyzing programs across function/procedure boundaries, enabling whole-program analysis.

## Capabilities

- Build call graphs and interprocedural control flow
- Perform context-sensitive analysis
- Handle function pointers and virtual calls
- Implement summary-based analysis
- Solve interprocedural data flow equations

## Techniques

- **Call Graph Construction**: Direct/indirect calls, virtual dispatch
- **Context Sensitivity**: Call strings, cloning approaches
- **Summary Functions**: Pre/post conditions for procedures
- **Pointer Analysis**: Alias analysis integration
- **Whole-Program Analysis**: Linking and incremental solving

## Use Cases

- Security vulnerability detection
- Program verification
- Compiler optimization (inlining, constant propagation)
- Bug finding across module boundaries

## References

See: `../dataflow-analysis-framework`, `../control-flow-analysis`, `../alias-and-points-to-analysis`, `../taint-analysis`

## Research Tools & Artifacts

Real-world interprocedural analysis tools:

| Tool | Why It Matters |
|------|----------------|
| **Soot** | Java interprocedural analysis |
| **WALA** | IBM's analysis framework |
| **LLVM** | Whole-program analysis |
| **Frama-C** | C interprocedural |
| **CodeQL** | GitHub's security analysis |

### Key Systems

- **Soot**: Java bytecode analysis
- **WALA**: Analysis framework

## Research Frontiers

Current interprocedural analysis research:

| Direction | Key Papers | Challenge |
|-----------|------------|-----------|
| **Scalability** | "Scalable Analysis" | Large codebases |
| **Incremental** | "Incremental IPA" | Change impact |
| **Soundness** | "Sound IPA" | Unknown calls |

### Hot Topics

1. **AI for call graphs**: Learning call graph construction
2. **Wasm analysis**: Binary interprocedural

## Implementation Pitfalls

Common interprocedural bugs:

| Pitfall | Real Example | Prevention |
|---------|--------------|------------|
| **Indirect calls** | Function pointers | Points-to |
| **Virtual dispatch** | OOP calls | Class analysis |
| **Reflection** | Java reflection | Model reflection |

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<!-- tomevault:4.0:skill_md:2026-04-11 -->