opt_constant_propagation: Optimizer: Constant Propagation.

In rco: The R Code Optimizer

Description

Performs one constant propagation pass. Carefully examine the results after running this function!

Usage

opt_constant_propagation(texts, in_fun_call = FALSE)

Arguments

texts	A list of character vectors with the code to optimize.
in_fun_call	A logical indicating whether it should propagate in function calls. Note: this could change the semantics of the program.

Examples

code <- paste(
  "i <- 170",
  "x <- -170",
  "y <- x + 124",
  "z <- i - 124",
  sep = "\n"
)
cat(opt_constant_propagation(list(code))$codes[[1]])

rco documentation built on April 17, 2021, 5:06 p.m.