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| author | Evan Cheng <evan.cheng@apple.com> | 2006-11-29 08:26:18 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-11-29 08:26:18 +0000 |
| commit | f0b3ba6752a49a8868d423ddc2704a52b7101571 (patch) | |
| tree | 2f8bf05a92c699628ebc77bf904704bda8aa62c0 | |
| parent | b27c480d8413c6a749183ea780d816e4f9747fba (diff) | |
| download | external_llvm-f0b3ba6752a49a8868d423ddc2704a52b7101571.zip external_llvm-f0b3ba6752a49a8868d423ddc2704a52b7101571.tar.gz external_llvm-f0b3ba6752a49a8868d423ddc2704a52b7101571.tar.bz2 | |
Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be expanded).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32016 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 5b15dfb..1c0be0b 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1847,11 +1847,19 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::READCYCLECOUNTER: Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain Result = DAG.UpdateNodeOperands(Result, Tmp1); + switch (TLI.getOperationAction(ISD::READCYCLECOUNTER, + Node->getValueType(0))) { + default: assert(0 && "This action is not supported yet!"); + case TargetLowering::Legal: break; + case TargetLowering::Custom: + Result = TLI.LowerOperation(Result, DAG); + break; + } // Since rdcc produce two values, make sure to remember that we legalized // both of them. - AddLegalizedOperand(SDOperand(Node, 0), Result.getValue(0)); - AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1)); + AddLegalizedOperand(SDOperand(Node, 0), LegalizeOp(Result.getValue(0))); + AddLegalizedOperand(SDOperand(Node, 1), LegalizeOp(Result.getValue(1))); return Result; case ISD::SELECT: |