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| 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 | 0bfd177e89e4360cd955c875e6f364da4ad582b9 (patch) | |
| tree | 1404e8b9dddb77b8e65786e8775bd1c3098c420f /llvm/lib/CodeGen | |
| parent | cf5f6b0ccbfb13d491cf30d9752348218cc6c555 (diff) | |
| download | bcm5719-llvm-0bfd177e89e4360cd955c875e6f364da4ad582b9.tar.gz bcm5719-llvm-0bfd177e89e4360cd955c875e6f364da4ad582b9.zip | |
fix expansion of ct[lt]z nodes
llvm-svn: 21896
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index e4eff6eb37f..135045582db 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/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(), |
