averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-14 20:36:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

Swift Optimizer: rework pass context types and instruction passes

Browse Source 
* split the `PassContext` into multiple protocols and structs: `Context`, `MutatingContext`, `FunctionPassContext` and `SimplifyContext`
* change how instruction passes work: implement the `simplify` function in conformance to `SILCombineSimplifyable`
* add a mechanism to add a callback for inserted instructions
This commit is contained in:
Erik Eckstein
2023-01-02 16:19:25 +01:00
parent c32d6cd0fb
commit cc68bd98c9
38 changed files with 441 additions and 463 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
SwiftCompilerSources/Sources/Optimizer/PassManager/ModulePassContext.swift
View File

@@ -18,7 +18,7 @@ import OptimizerBridging
/// It provides access to all functions, v-tables and witness tables of a module,
/// but it doesn't provide any APIs to modify functions.
/// In order to modify a function, a module pass must use `transform(function:)`.
struct ModulePassContext {
struct ModulePassContext : Context {
let _bridged: BridgedPassContext
struct FunctionList : CollectionLikeSequence, IteratorProtocol {
@@ -91,15 +91,13 @@ struct ModulePassContext {
DefaultWitnessTableList(first: PassContext_firstDefaultWitnessTableInModule(_bridged).table)
}
var options: Options { Options(_bridged: _bridged) }
/// Run a closure with a `PassContext` for a function, which allows to modify that function.
///
/// Only a single `transform` can be alive at the same time, i.e. it's not allowed to nest
/// calls to `transform`.
func transform(function: Function, _ runOnFunction: (PassContext) -> ()) {
func transform(function: Function, _ runOnFunction: (FunctionPassContext) -> ()) {
PassContext_beginTransformFunction(function.bridged, _bridged)
runOnFunction(PassContext(_bridged: _bridged))
runOnFunction(FunctionPassContext(_bridged: _bridged))
PassContext_endTransformFunction(_bridged);
}
}