In program analysis, a polyvariant or context-sensitive analysis (as opposed to a monovariant or context-insensitive analysis) analyzes each function multiple times—typically once at each call site—to improve the precision of the analysis. Polyvariance is common in data-flow and pointer analyses. Forms of polyvariance include:
Call-site sensitivity The Cartesian product algorithm Object sensitivity Type sensitivity The first two are more often used for dataflow analyses, the latter two are more frequently used for pointer analyses.
References
Sources Smaragdakis, Yannis; Balatsouras, George (2015). "Pointer Analysis" (PDF). Foundations and Trends in Programming Languages. 2 (1): 1–69. doi:10.1561/2500000014. Retrieved May 30, 2019.