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Prevent PPC::BCC first operand, the PRED number, from being isel'd into a LI instruction.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37790 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-06-29 01:25:06 +00:00
parent ca6c31cc41
commit 2bda17c922
1 changed files with 4 additions and 1 deletions
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5
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
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@ -1080,7 +1080,10 @@ SDNode *PPCDAGToDAGISel::Select(SDOperand Op) {
// Op #2 is the CR# // Op #2 is the CR#
// Op #3 is the Dest MBB // Op #3 is the Dest MBB
AddToISelQueue(N->getOperand(4)); // Op #4 is the Flag. AddToISelQueue(N->getOperand(4)); // Op #4 is the Flag.
SDOperand Ops[] = { N->getOperand(1), N->getOperand(2), N->getOperand(3), // Prevent PPC::PRED_* from being selected into LI.
SDOperand Pred =
getI32Imm(cast<ConstantSDNode>(N->getOperand(1))->getValue());
SDOperand Ops[] = { Pred, N->getOperand(2), N->getOperand(3),
N->getOperand(0), N->getOperand(4) }; N->getOperand(0), N->getOperand(4) };
return CurDAG->SelectNodeTo(N, PPC::BCC, MVT::Other, Ops, 5); return CurDAG->SelectNodeTo(N, PPC::BCC, MVT::Other, Ops, 5);
} }