diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp')
-rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index e73056431ff..e76bacdb422 100644 --- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -419,25 +419,6 @@ SDNode *PPCDAGToDAGISel::getGlobalBaseReg() { .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 @@ SDValue PPCDAGToDAGISel::SelectCC(SDValue LHS, SDValue RHS, ISD::CondCode CC, 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 @@ SDValue PPCDAGToDAGISel::SelectCC(SDValue LHS, SDValue RHS, ISD::CondCode CC, 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 @@ void PPCDAGToDAGISel::Select(SDNode *N) { 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 @@ void PPCDAGToDAGISel::Select(SDNode *N) { 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); |