From: Chris Lattner <sabre@nondot.org>
Date: Fri, 9 Dec 2005 17:32:47 +0000 (+0000)
Subject: Teach legalize how to promote sext_inreg to fix a problem Andrew pointed
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5e3c5b4e13d45d631cddf42176b380f64fde918f;p=oota-llvm.git

Teach legalize how to promote sext_inreg to fix a problem Andrew pointed
out to me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24644 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 41ba14205da..c66748729db 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -2404,6 +2404,11 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
     }
     break;
 
+  case ISD::SIGN_EXTEND_INREG:
+    Result = PromoteOp(Node->getOperand(0));
+    Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Result, 
+                         Node->getOperand(1));
+    break;
   case ISD::FP_TO_SINT:
   case ISD::FP_TO_UINT:
     switch (getTypeAction(Node->getOperand(0).getValueType())) {