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Handle end_lifetime in SILInstruction::mayRelease #38841

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Merged
merged 1 commit into from
Aug 12, 2021
Merged

Handle end_lifetime in SILInstruction::mayRelease #38841

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1 change: 1 addition & 0 deletions lib/SIL/IR/SILInstruction.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1129,6 +1129,7 @@ bool SILInstruction::mayRelease() const {
default:
llvm_unreachable("Unhandled releasing instruction!");

case SILInstructionKind::EndLifetimeInst:
case SILInstructionKind::GetAsyncContinuationInst:
case SILInstructionKind::GetAsyncContinuationAddrInst:
case SILInstructionKind::AwaitAsyncContinuationInst:
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15 changes: 15 additions & 0 deletions test/SILOptimizer/access_enforcement_opts_ossa.sil
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Expand Up @@ -1817,3 +1817,18 @@ bb0(%0 : @guaranteed $Klass, %1 : $*Int64):
return %14 : $Builtin.NativeObject
}

class Bar {
func foo()
}

sil [ossa] @$testEndLifetime : $@convention(method) (@owned Bar, @in Bar) -> () {
bb0(%0 : @owned $Bar, %1 : $*Bar):
%b = begin_access [modify] [dynamic] %1 : $*Bar
end_access %b : $*Bar
%f = objc_method %0 : $Bar, #Bar.foo!foreign : (Bar) -> () -> (), $@convention(objc_method) (Bar) -> ()
%c = apply %f(%0) : $@convention(objc_method) (Bar) -> ()
end_lifetime %0 : $Bar
destroy_addr %1 : $*Bar
%r = tuple ()
return %r : $()
}