From b52ba49fdbf6cdf055e8b264c18b6e594fd30dc4 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Tue, 10 Apr 2012 03:15:18 +0000 Subject: [PATCH] Make the code slightly more palatable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154378 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 22b5ae602ce..a96a99781f4 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1790,7 +1790,11 @@ SDValue SelectionDAGLegalize::ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, // 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 CallInfo = TLI.LowerCallTo(InChain, RetTy, isSigned, !isSigned, false, false, 0, TLI.getLibcallCallingConv(LC), isTailCall,