[PowerPC] NFC : Common up definitions of isIntS16Immediate and update parameter to int16_t
llvm-svn: 307442
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index e730564..e76bacd 100644
--- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -419,25 +419,6 @@
.getNode();
}
-/// isIntS16Immediate - This method tests to see if the node is either a 32-bit
-/// or 64-bit immediate, and if the value can be accurately represented as a
-/// sign extension from a 16-bit value. If so, this returns true and the
-/// immediate.
-static bool isIntS16Immediate(SDNode *N, short &Imm) {
- if (N->getOpcode() != ISD::Constant)
- return false;
-
- Imm = (short)cast<ConstantSDNode>(N)->getZExtValue();
- if (N->getValueType(0) == MVT::i32)
- return Imm == (int32_t)cast<ConstantSDNode>(N)->getZExtValue();
- else
- return Imm == (int64_t)cast<ConstantSDNode>(N)->getZExtValue();
-}
-
-static bool isIntS16Immediate(SDValue Op, short &Imm) {
- return isIntS16Immediate(Op.getNode(), Imm);
-}
-
/// isInt32Immediate - This method tests to see if the node is a 32-bit constant
/// operand. If so Imm will receive the 32-bit value.
static bool isInt32Immediate(SDNode *N, unsigned &Imm) {
@@ -2126,7 +2107,7 @@
getI32Imm(Imm & 0xFFFF, dl)), 0);
Opc = PPC::CMPLW;
} else {
- short SImm;
+ int16_t SImm;
if (isIntS16Immediate(RHS, SImm))
return SDValue(CurDAG->getMachineNode(PPC::CMPWI, dl, MVT::i32, LHS,
getI32Imm((int)SImm & 0xFFFF,
@@ -2173,7 +2154,7 @@
getI64Imm(Imm & 0xFFFF, dl)), 0);
Opc = PPC::CMPLD;
} else {
- short SImm;
+ int16_t SImm;
if (isIntS16Immediate(RHS, SImm))
return SDValue(CurDAG->getMachineNode(PPC::CMPDI, dl, MVT::i64, LHS,
getI64Imm(SImm & 0xFFFF, dl)),
@@ -3323,7 +3304,7 @@
if (tryLogicOpOfCompares(N))
return;
- short Imm;
+ int16_t Imm;
if (N->getOperand(0)->getOpcode() == ISD::FrameIndex &&
isIntS16Immediate(N->getOperand(1), Imm)) {
KnownBits LHSKnown;
@@ -3346,7 +3327,7 @@
break;
}
case ISD::ADD: {
- short Imm;
+ int16_t Imm;
if (N->getOperand(0)->getOpcode() == ISD::FrameIndex &&
isIntS16Immediate(N->getOperand(1), Imm)) {
selectFrameIndex(N, N->getOperand(0).getNode(), (int)Imm);