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SIL: change way how a SILInstruction is marked as deleted

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Instead of setting the parent pointer to null, set the `lastInitializedBitfieldID` to -1.
This allows to keep the parent block information, even when an instruction is removed from it's list.
This commit is contained in:
Erik Eckstein
2022-12-02 22:01:19 +01:00
parent d8c2e8ae77
commit 05a63c70c5
9 changed files with 20 additions and 17 deletions
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lib/SIL/IR/SILModule.cpp
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@@ -276,7 +276,6 @@ void SILModule::willDeleteInstruction(SILInstruction *I) {
void SILModule::scheduleForDeletion(SILInstruction *I) {
I->dropAllReferences();
scheduledForDeletion.push_back(I);
I->ParentBB = nullptr;
}
void SILModule::flushDeletedInsts() {