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Revert r121808 until I can fix the build.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121815 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2010-12-15 00:04:00 +00:00
parent 9d04dc52a5
commit 7d1d8db54a
1 changed files with 16 additions and 21 deletions
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37
lib/Target/ARM/ARMISelDAGToDAG.cpp
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@ -918,15 +918,27 @@ ARMDAGToDAGISel::SelectThumbAddrModeRI(SDValue N, SDValue &Base,
return false; // We want to select tLDRpci instead.
}
if (N.getOpcode() != ISD::ADD)
return false;
if (N.getOpcode() != ISD::ADD) {
if (N.getOpcode() == ARMISD::Wrapper &&
(!Subtarget->useMovt() ||
N.getOperand(0).getOpcode() != ISD::TargetGlobalAddress))
Base = N.getOperand(0);
else
Base = N;
Offset = CurDAG->getRegister(0, MVT::i32);
return true;
}
// Thumb does not have [sp, r] address mode.
RegisterSDNode *LHSR = dyn_cast<RegisterSDNode>(N.getOperand(0));
RegisterSDNode *RHSR = dyn_cast<RegisterSDNode>(N.getOperand(1));
if ((LHSR && LHSR->getReg() == ARM::SP) ||
(RHSR && RHSR->getReg() == ARM::SP))
return false;
(RHSR && RHSR->getReg() == ARM::SP)) {
Base = N;
Offset = CurDAG->getRegister(0, MVT::i32);
return true;
}
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int RHSC = (int)RHS->getZExtValue();
@ -991,23 +1003,6 @@ ARMDAGToDAGISel::SelectThumbAddrModeImm5S(SDValue N, unsigned Scale,
return true;
}
RegisterSDNode *LHSR = dyn_cast<RegisterSDNode>(N.getOperand(0));
RegisterSDNode *RHSR = dyn_cast<RegisterSDNode>(N.getOperand(1));
if ((LHSR && LHSR->getReg() == ARM::SP) ||
(RHSR && RHSR->getReg() == ARM::SP)) {
ConstantSDNode *LHS = dyn_cast<ConstantSDNode>(N.getOperand(0));
ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1));
unsigned LHSC = LHS ? LHS->getZExtValue() : 0;
unsigned RHSC = RHS ? RHS->getZExtValue() : 0;
// Thumb does not have [sp, #imm5] address mode for non-zero imm5.
if (LHSC != 0 || RHSC != 0) return false;
Base = N;
OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
// If the RHS is + imm5 * scale, fold into addr mode.
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int RHSC = (int)RHS->getZExtValue();