averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-21 12:14:44 +01:00
Code Issues Packages Projects Releases Wiki Activity

Swift SIL: replace the set_deallocating instruction with begin_dealloc_ref

Browse Source 
Codegen is the same, but `begin_dealloc_ref` consumes the operand and produces a new SSA value.
This cleanly splits the liferange to the region before and within the destructor of a class.
This commit is contained in:
Erik Eckstein
2023-09-06 18:39:18 +02:00
parent d457368014
commit e5eb15dcbe
52 changed files with 453 additions and 278 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/SILOptimizer/Transforms/DeadObjectElimination.cpp
View File

@@ -263,7 +263,7 @@ static bool canZapInstruction(SILInstruction *Inst, bool acceptRefCountInsts,
isa<MoveValueInst>(Inst)) {
return true;
}
if (isa<SetDeallocatingInst>(Inst) || isa<FixLifetimeInst>(Inst) ||
if (isa<BeginDeallocRefInst>(Inst) || isa<FixLifetimeInst>(Inst) ||
isa<EndBorrowInst>(Inst))
return true;