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Use dyn_cast instead of isa and cast.

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No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164924 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak 2012-09-30 21:24:57 +00:00
parent fdb96062b2
commit 554c6762e8
1 changed files with 8 additions and 10 deletions
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18
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -136,13 +136,11 @@ bool ISD::isBuildVectorAllOnes(const SDNode *N) {
// constants are.
SDValue NotZero = N->getOperand(i);
unsigned EltSize = N->getValueType(0).getVectorElementType().getSizeInBits();
if (isa<ConstantSDNode>(NotZero)) {
if (cast<ConstantSDNode>(NotZero)->getAPIntValue().countTrailingOnes() <
EltSize)
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(NotZero)) {
if (CN->getAPIntValue().countTrailingOnes() < EltSize)
return false;
} else if (isa<ConstantFPSDNode>(NotZero)) {
if (cast<ConstantFPSDNode>(NotZero)->getValueAPF()
.bitcastToAPInt().countTrailingOnes() < EltSize)
} else if (ConstantFPSDNode *CFPN = dyn_cast<ConstantFPSDNode>(NotZero)) {
if (CFPN->getValueAPF().bitcastToAPInt().countTrailingOnes() < EltSize)
return false;
} else
return false;
@ -179,11 +177,11 @@ bool ISD::isBuildVectorAllZeros(const SDNode *N) {
// Do not accept build_vectors that aren't all constants or which have non-0
// elements.
SDValue Zero = N->getOperand(i);
if (isa<ConstantSDNode>(Zero)) {
if (!cast<ConstantSDNode>(Zero)->isNullValue())
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Zero)) {
if (!CN->isNullValue())
return false;
} else if (isa<ConstantFPSDNode>(Zero)) {
if (!cast<ConstantFPSDNode>(Zero)->getValueAPF().isPosZero())
} else if (ConstantFPSDNode *CFPN = dyn_cast<ConstantFPSDNode>(Zero)) {
if (!CFPN->getValueAPF().isPosZero())
return false;
} else
return false;