From e2e41730ccfa9bebfabbd17ab3454aa2bb620b2a Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 16 May 2006 05:49:56 +0000 Subject: [PATCH] Legalize FORMAL_ARGUMENTS nodes correctly, we don't want to legalize them once for each argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28313 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 650aaae7df8..f63a09248b8 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -819,9 +819,18 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::FORMAL_ARGUMENTS: // The only option for this is to custom lower it. - Result = TLI.LowerOperation(Result, DAG); + Result = TLI.LowerOperation(Result.getValue(0), DAG); assert(Result.Val && "Target didn't custom lower ISD::FORMAL_ARGUMENTS!"); - break; + + // Since FORMAL_ARGUMENTS nodes produce multiple values, make sure to + // remember that we legalized all of them, so it doesn't get relegalized. + for (unsigned i = 0, e = Result.Val->getNumValues(); i != e; ++i) { + Tmp1 = LegalizeOp(Result.getValue(i)); + if (Op.ResNo == i) + Tmp2 = Tmp1; + AddLegalizedOperand(SDOperand(Node, i), Tmp1); + } + return Tmp2; case ISD::BUILD_VECTOR: switch (TLI.getOperationAction(ISD::BUILD_VECTOR, Node->getValueType(0))) {