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
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 650aaae..f63a092 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -819,9 +819,18 @@
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))) {