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swr/rast: Added in-place building to SCATTERPS

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SCATTERPS previously assumed it was being used with an existing basic
block

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
Alok Hota 2018-05-25 10:19:43 -05:00 • committed by Tim Rowley
parent 45eb24fedf
commit cfe75cc7b5
1 changed files with 20 additions and 9 deletions
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29
src/gallium/drivers/swr/rasterizer/jitter/builder_mem.cpp
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@ -617,17 +617,28 @@ namespace SwrJit
Value* pIsUndef = ICMP_EQ(pIndex, C(32));
// Split current block
BasicBlock* pPostLoop = pCurBB->splitBasicBlock(cast<Instruction>(pIsUndef)->getNextNode());
// Split current block or create new one if building inline
BasicBlock* pPostLoop;
if (pCurBB->getTerminator())
{
pPostLoop = pCurBB->splitBasicBlock(cast<Instruction>(pIsUndef)->getNextNode());
// Remove unconditional jump created by splitBasicBlock
pCurBB->getTerminator()->eraseFromParent();
// Remove unconditional jump created by splitBasicBlock
pCurBB->getTerminator()->eraseFromParent();
// Add terminator to end of original block
IRB()->SetInsertPoint(pCurBB);
// Add terminator to end of original block
IRB()->SetInsertPoint(pCurBB);
// Add conditional branch
COND_BR(pIsUndef, pPostLoop, pLoop);
// Add conditional branch
COND_BR(pIsUndef, pPostLoop, pLoop);
}
else
{
pPostLoop = BasicBlock::Create(mpJitMgr->mContext, "PostScatter_Loop", pFunc);
// Add conditional branch
COND_BR(pIsUndef, pPostLoop, pLoop);
}
// Add loop basic block contents
IRB()->SetInsertPoint(pLoop);
@ -642,7 +653,7 @@ namespace SwrJit
Value* pOffsetElem = LOADV(pOffsetsArrayPtr, { pIndexPhi });
// GEP to this offset in dst
Value* pCurDst = GEP(pDst, pOffsetElem);
Value* pCurDst = GEP(pDst, pOffsetElem, mInt8PtrTy);
pCurDst = POINTER_CAST(pCurDst, PointerType::get(pSrcTy, 0));
STORE(pSrcElem, pCurDst);