mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-30 21:29:28 +00:00
Remove redundant test for vector-nature. Scan the vector first to see whether
our optz'n will apply to it, then build the replacement vector only if needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61279 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
fce4028718
commit
9dce873c1a
@ -3090,11 +3090,17 @@ Instruction *InstCombiner::visitSRem(BinaryOperator &I) {
|
|||||||
}
|
}
|
||||||
|
|
||||||
// If it's a constant vector, flip any negative values positive.
|
// If it's a constant vector, flip any negative values positive.
|
||||||
if (isa<VectorType>(I.getType())) {
|
if (ConstantVector *RHSV = dyn_cast<ConstantVector>(Op1)) {
|
||||||
if (ConstantVector *RHSV = dyn_cast<ConstantVector>(Op1)) {
|
unsigned VWidth = RHSV->getNumOperands();
|
||||||
unsigned VWidth = RHSV->getNumOperands();
|
|
||||||
std::vector<Constant *> Elts(VWidth);
|
|
||||||
|
|
||||||
|
bool hasNegative = false;
|
||||||
|
for (unsigned i = 0; !hasNegative && i != VWidth; ++i)
|
||||||
|
if (ConstantInt *RHS = dyn_cast<ConstantInt>(RHSV->getOperand(i)))
|
||||||
|
if (RHS->getValue().isNegative())
|
||||||
|
hasNegative = true;
|
||||||
|
|
||||||
|
if (hasNegative) {
|
||||||
|
std::vector<Constant *> Elts(VWidth);
|
||||||
for (unsigned i = 0; i != VWidth; ++i) {
|
for (unsigned i = 0; i != VWidth; ++i) {
|
||||||
if (ConstantInt *RHS = dyn_cast<ConstantInt>(RHSV->getOperand(i))) {
|
if (ConstantInt *RHS = dyn_cast<ConstantInt>(RHSV->getOperand(i))) {
|
||||||
if (RHS->getValue().isNegative())
|
if (RHS->getValue().isNegative())
|
||||||
|
Loading…
Reference in New Issue
Block a user