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Run clang-format over the scalarizePHI function.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182640 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joey Gouly 2013-05-24 12:33:28 +00:00
parent 4a941316cd
commit 7ab9fb02f8
1 changed files with 8 additions and 12 deletions
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20
lib/Transforms/InstCombine/InstCombineVectorOps.cpp
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@ -125,17 +125,15 @@ Instruction *InstCombiner::scalarizePHI(ExtractElementInst &EI, PHINode *PN) {
// and that it is a binary operation which is cheap to scalarize.
// otherwise return NULL.
if (!PHIUser->hasOneUse() || !(PHIUser->use_back() == PN) ||
!(isa<BinaryOperator>(PHIUser)) ||
!CheapToScalarize(PHIUser, true))
!(isa<BinaryOperator>(PHIUser)) || !CheapToScalarize(PHIUser, true))
return NULL;
// Create a scalar PHI node that will replace the vector PHI node
// just before the current PHI node.
PHINode * scalarPHI = cast<PHINode>(
InsertNewInstWith(PHINode::Create(EI.getType(),
PN->getNumIncomingValues(), ""), *PN));
PHINode *scalarPHI = cast<PHINode>(InsertNewInstWith(
PHINode::Create(EI.getType(), PN->getNumIncomingValues(), ""), *PN));
// Scalarize each PHI operand.
for (unsigned i=0; i < PN->getNumIncomingValues(); i++) {
for (unsigned i = 0; i < PN->getNumIncomingValues(); i++) {
Value *PHIInVal = PN->getIncomingValue(i);
BasicBlock *inBB = PN->getIncomingBlock(i);
Value *Elt = EI.getIndexOperand();
@ -145,19 +143,17 @@ Instruction *InstCombiner::scalarizePHI(ExtractElementInst &EI, PHINode *PN) {
// scalar PHI and the second operand is extracted from the other
// vector operand.
BinaryOperator *B0 = cast<BinaryOperator>(PHIUser);
unsigned opId = (B0->getOperand(0) == PN) ? 1: 0;
unsigned opId = (B0->getOperand(0) == PN) ? 1 : 0;
Value *Op = InsertNewInstWith(
ExtractElementInst::Create(B0->getOperand(opId), Elt,
B0->getOperand(opId)->getName() + ".Elt"),
*B0);
Value *newPHIUser = InsertNewInstWith(
BinaryOperator::Create(B0->getOpcode(), scalarPHI,Op),
*B0);
BinaryOperator::Create(B0->getOpcode(), scalarPHI, Op), *B0);
scalarPHI->addIncoming(newPHIUser, inBB);
} else {
// Scalarize PHI input:
Instruction *newEI =
ExtractElementInst::Create(PHIInVal, Elt, "");
Instruction *newEI = ExtractElementInst::Create(PHIInVal, Elt, "");
// Insert the new instruction into the predecessor basic block.
Instruction *pos = dyn_cast<Instruction>(PHIInVal);
BasicBlock::iterator InsertPos;
@ -226,7 +222,7 @@ Instruction *InstCombiner::visitExtractElementInst(ExtractElementInst &EI) {
if (PHINode *PN = dyn_cast<PHINode>(EI.getOperand(0))) {
Instruction *scalarPHI = scalarizePHI(EI, PN);
if (scalarPHI)
return (scalarPHI);
return scalarPHI;
}
}