tinygo/compiler/optimizer.go
Ayke van Laethem 5db43e8d04
compiler: move Optimize() function to a separate file
In the future, there will be more optimizations. Let's keep them in a
separate file for separation of concerns.
2018-10-06 19:57:41 +02:00

32 строки
862 Б
Go

package compiler
import (
"github.com/aykevl/go-llvm"
)
func (c *Compiler) Optimize(optLevel, sizeLevel int, inlinerThreshold uint) {
builder := llvm.NewPassManagerBuilder()
defer builder.Dispose()
builder.SetOptLevel(optLevel)
builder.SetSizeLevel(sizeLevel)
if inlinerThreshold != 0 {
builder.UseInlinerWithThreshold(inlinerThreshold)
}
builder.AddCoroutinePassesToExtensionPoints()
// Run function passes for each function.
funcPasses := llvm.NewFunctionPassManagerForModule(c.mod)
defer funcPasses.Dispose()
builder.PopulateFunc(funcPasses)
funcPasses.InitializeFunc()
for fn := c.mod.FirstFunction(); !fn.IsNil(); fn = llvm.NextFunction(fn) {
funcPasses.RunFunc(fn)
}
funcPasses.FinalizeFunc()
// Run module passes.
modPasses := llvm.NewPassManager()
defer modPasses.Dispose()
builder.Populate(modPasses)
modPasses.Run(c.mod)
}