diff options
| author | Scott Michel <scottm@aero.org> | 2008-04-30 00:26:38 +0000 |
|---|---|---|
| committer | Scott Michel <scottm@aero.org> | 2008-04-30 00:26:38 +0000 |
| commit | 82747a54849d22c3a0b7c3b56399da9b9e020ee0 (patch) | |
| tree | 11057c3244c5dfe049f3c38d7293d5a02119b45b | |
| parent | 7b251e0474466d067192339599e38b9be000b6a3 (diff) | |
Fix custom target lowering for zero/any/sign_extend: make sure that
DAG.UpdateNodeOperands() is called before (not after) the call to
TLI.LowerOperation().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50461 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index f964fb6be5..f8e44ec695 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -3874,14 +3874,12 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case Expand: assert(0 && "Shouldn't need to expand other operators here!"); case Legal: Tmp1 = LegalizeOp(Node->getOperand(0)); + Result = DAG.UpdateNodeOperands(Result, Tmp1); if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) == TargetLowering::Custom) { - Tmp2 = TLI.LowerOperation(Result, DAG); - if (Tmp2.Val) { - Tmp1 = Tmp2; - } + Tmp1 = TLI.LowerOperation(Result, DAG); + if (Tmp1.Val) Result = Tmp1; } - Result = DAG.UpdateNodeOperands(Result, Tmp1); break; case Promote: switch (Node->getOpcode()) { |