Make the code slightly more palatable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154378 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 22b5ae6..a96a997 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1790,7 +1790,11 @@
// isTailCall may be true since the callee does not reference caller stack
// frame. Check if it's in the right position.
- bool isTailCall = isInTailCallPosition(DAG, Node, InChain, TLI);
+ SDValue TCChain = InChain;
+ bool isTailCall = isInTailCallPosition(DAG, Node, TCChain, TLI);
+ if (isTailCall)
+ InChain = TCChain;
+
std::pair<SDValue, SDValue> CallInfo =
TLI.LowerCallTo(InChain, RetTy, isSigned, !isSigned, false, false,
0, TLI.getLibcallCallingConv(LC), isTailCall,