diff options
| author | Chris Lattner <sabre@nondot.org> | 2005-05-12 19:27:51 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-05-12 19:27:51 +0000 |
| commit | 3becf2026bec881a60cbbe0031d8c51f4d6d4e28 (patch) | |
| tree | fb68e5736c596ff4411498e8f83611614b5d8524 | |
| parent | 39a8f336305a492fc6d2625f39f08968185616d2 (diff) | |
fix expansion of ct[lt]z nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21896 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index e4eff6eb37..135045582d 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2287,6 +2287,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ case ISD::CTLZ: { // ctlz (HL) -> ctlz(H) != 32 ? ctlz(H) : (ctlz(L)+32) + ExpandOp(Node->getOperand(0), Lo, Hi); SDOperand BitsC = DAG.getConstant(MVT::getSizeInBits(NVT), NVT); SDOperand HLZ = DAG.getNode(ISD::CTLZ, NVT, Hi); SDOperand TopNotZero = DAG.getSetCC(ISD::SETNE, TLI.getSetCCResultTy(), @@ -2301,6 +2302,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ case ISD::CTTZ: { // cttz (HL) -> cttz(L) != 32 ? cttz(L) : (cttz(H)+32) + ExpandOp(Node->getOperand(0), Lo, Hi); SDOperand BitsC = DAG.getConstant(MVT::getSizeInBits(NVT), NVT); SDOperand LTZ = DAG.getNode(ISD::CTTZ, NVT, Lo); SDOperand BotNotZero = DAG.getSetCC(ISD::SETNE, TLI.getSetCCResultTy(), |