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Fixed BeInstEnumerator.Remove

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This commit is contained in:
Brian Fiete 2020-06-13 09:49:16 -07:00
parent cf6d8a3a99
commit 89aeb7924c
2 changed files with 49 additions and 29 deletions
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47
IDEHelper/Backend/BeMCContext.cpp
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@ -1873,6 +1873,31 @@ int BeMCBlock::FindLabelInstIdx(int labelIdx)
//////////////////////////////////////////////////////////////////////////
void BeInstEnumerator::Next()
{
if (mRemoveCurrent)
{
if ((mWriteIdx > 0) && (mReadIdx < mBlock->mInstructions.size() - 1))
mContext->MergeInstFlags(mBlock->mInstructions[mWriteIdx - 1], mBlock->mInstructions[mReadIdx], mBlock->mInstructions[mReadIdx + 1]);
mBlock->mInstructions[mReadIdx] = NULL;
mRemoveCurrent = false;
}
else
{
if (mWriteIdx != mReadIdx)
{
mBlock->mInstructions[mWriteIdx] = mBlock->mInstructions[mReadIdx];
mBlock->mInstructions[mReadIdx] = NULL;
}
mWriteIdx++;
}
mReadIdx++;
}
//////////////////////////////////////////////////////////////////////////
BeMCContext::BeMCContext(BeCOFFObject* coffObject) : mOut(coffObject->mTextSect.mData), mLivenessContext(this), mVRegInitializedContext(this), mColorizer(this)
{
mLivenessContext.mTrackKindCount = 1;
@ -2636,7 +2661,16 @@ BeMCInst* BeMCContext::AllocInst(BeMCInstKind instKind, const BeMCOperand& arg0,
return mcInst;
}
void BeMCContext::RemoveInst(BeMCBlock* block, int instIdx, bool needChangesMerged)
void BeMCContext::MergeInstFlags(BeMCInst* prevInst, BeMCInst* inst, BeMCInst* nextInst)
{
if (prevInst->mVRegsInitialized == inst->mVRegsInitialized)
return;
if ((inst->mVRegsInitialized != NULL) && (nextInst->mVRegsInitialized != NULL))
nextInst->mVRegsInitialized = mVRegInitializedContext.MergeChanges(nextInst->mVRegsInitialized, inst->mVRegsInitialized);
}
void BeMCContext::RemoveInst(BeMCBlock* block, int instIdx, bool needChangesMerged, bool removeFromList)
{
// If neither the instruction before or after this one shares the vregsInitialized flags, then we need to
// merge down our Changes to the next instruction
@ -2660,7 +2694,8 @@ void BeMCContext::RemoveInst(BeMCBlock* block, int instIdx, bool needChangesMerg
}
}
block->mInstructions.RemoveAt(instIdx);
if (removeFromList)
block->mInstructions.RemoveAt(instIdx);
}
@ -11128,7 +11163,7 @@ void BeMCContext::DoRegFinalization()
mActiveBlock = mcBlock;
//for (int instIdx = 0; instIdx < (int)mcBlock->mInstructions.size(); instIdx++)
for (auto instEnum = BeInstEnumerator(mcBlock); instEnum.HasMore(); instEnum.Next())
for (auto instEnum = BeInstEnumerator(this, mcBlock); instEnum.HasMore(); instEnum.Next())
{
auto inst = instEnum.Get();
SetCurrentInst(inst);
@ -11136,9 +11171,7 @@ void BeMCContext::DoRegFinalization()
{
auto vregInfo = GetVRegInfo(inst->mArg0);
if (vregInfo->mDbgVariable != NULL)
vregInfo->mAwaitingDbgStart = true;
//RemoveInst(mcBlock, instIdx);
//instIdx--;
vregInfo->mAwaitingDbgStart = true;
instEnum.RemoveCurrent();
continue;
}
@ -15438,7 +15471,7 @@ void BeMCContext::Generate(BeFunction* function)
mDbgPreferredRegs[32] = X64Reg_R8;*/
//mDbgPreferredRegs[8] = X64Reg_RAX;
//mDebugging = (function->mName == "?__BfStaticCtor@roboto_font@Drawing@ClassicUO_assistant@bf@@SAXXZ");
//mDebugging = (function->mName == "?FindSourceViewPanel@IDEApp@IDE@bf@@QEAAPEAVSourceViewPanel@ui@23@PEAVString@System@3@@Z");
// || (function->mName == "?__BfStaticCtor@roboto_font@Drawing@ClassicUO_assistant@bf@@SAXXZ")
// || (function->mName == "?Hey@Blurg@bf@@SAXXZ")
// ;