From: Scott Michel <scottm@aero.org>
Date: Tue, 2 Dec 2008 19:55:08 +0000 (+0000)
Subject: Non-functional change: make custom lowering for truncate stylistically
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=546d7b5c4a3cebf0d5017d42302b4a8d1c8ef584;p=oota-llvm.git

Non-functional change: make custom lowering for truncate stylistically
consistent with the way it's generally done in other places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60439 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index cd90f672513..d61d6ca6fdf 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3903,11 +3903,18 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
     switch (getTypeAction(Node->getOperand(0).getValueType())) {
     case Legal:
       Tmp1 = LegalizeOp(Node->getOperand(0));
-      Result = DAG.UpdateNodeOperands(Result, Tmp1);
-      if (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)) ==
-          TargetLowering::Custom) {
-        Tmp1 = TLI.LowerOperation(Result, DAG);
-        if (Tmp1.getNode()) Result = Tmp1;
+      switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) {
+      default: assert(0 && "Unknown TRUNCATE legalization operation action!");
+      case TargetLowering::Custom:
+	isCustom = true;
+	// FALLTHROUGH
+      case TargetLowering::Legal:
+	Result = DAG.UpdateNodeOperands(Result, Tmp1);
+	if (isCustom) {
+	  Tmp1 = TLI.LowerOperation(Result, DAG);
+	  if (Tmp1.getNode()) Result = Tmp1;
+	}
+	break;
       }
       break;
     case Expand: