From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 18 Dec 2006 22:55:34 +0000 (+0000)
Subject: LegalizeSetCCOperands() may end up inserting libcalls. They need to be
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=722cb360690e5d7742b01a9f497fdb65bf8079d5;p=oota-llvm.git

LegalizeSetCCOperands() may end up inserting libcalls. They need to be
properly serialized. Do not clear LastCallSEQ_END until that is done.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32659 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 1808dacc2b5..faebbdcfafb 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1360,14 +1360,13 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
     // Ensure that libcalls are emitted before a branch.
     Tmp1 = DAG.getNode(ISD::TokenFactor, MVT::Other, Tmp1, LastCALLSEQ_END);
     Tmp1 = LegalizeOp(Tmp1);
-    LastCALLSEQ_END = DAG.getEntryNode();
-    
     Tmp2 = Node->getOperand(2);              // LHS 
     Tmp3 = Node->getOperand(3);              // RHS
     Tmp4 = Node->getOperand(1);              // CC
 
     LegalizeSetCCOperands(Tmp2, Tmp3, Tmp4);
-    
+    LastCALLSEQ_END = DAG.getEntryNode();
+
     // If we didn't get both a LHS and RHS back from LegalizeSetCCOperands,
     // the LHS is a legal SETCC itself.  In this case, we need to compare
     // the result against zero to select between true and false values.