Enhance APFloat to retain bits of NaNs (fixes oggenc).
Use APFloat interfaces for more references, mostly
of ConstantFPSDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41632 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index a274c14..d6ca1481 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1033,14 +1033,14 @@
/// isFloatingPointZero - Return true if this is +0.0.
static bool isFloatingPointZero(SDOperand Op) {
if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Op))
- return CFP->isExactlyValue(0.0);
+ return CFP->getValueAPF().isPosZero();
else if (ISD::isEXTLoad(Op.Val) || ISD::isNON_EXTLoad(Op.Val)) {
// Maybe this has already been legalized into the constant pool?
if (Op.getOperand(1).getOpcode() == ARMISD::Wrapper) {
SDOperand WrapperOp = Op.getOperand(1).getOperand(0);
if (ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(WrapperOp))
if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
- return CFP->isExactlyValue(0.0);
+ return CFP->getValueAPF().isPosZero();
}
}
return false;