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rightshuffle
2012 Apr 12
0
[LLVMdev] detection of constant diagonal matrix * vector
...S);
if (leftMul != NULL && rightMul != NULL && leftMul->getOpcode() ==
Instruction::FMul && rightMul->getOpcode() == Instruction::FMul)
{
ShuffleVectorInst* leftShuffle =
dyn_cast<ShuffleVectorInst>(leftMul->getOperand(0));
ShuffleVectorInst* rightShuffle =
dyn_cast<ShuffleVectorInst>(rightMul->getOperand(0));
// get multiplication constant vectors (e.g. [0 1])
ConstantVector* leftConstVector =
llvm::dyn_cast<ConstantVector>(leftMul->getOperand(1));
ConstantVector* rightConstVector =
llvm::dyn_cast<ConstantVe...