From a2590c5b3eaa24002e3f83f146f0e5b6c95a89c8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 24 Aug 2005 00:47:15 +0000
Subject: [PATCH] Add callseq_begin/end support Call stil not supported yet

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22998 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index d949bce741f..5300f59b89f 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -920,6 +920,16 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
                          AddrOp1, AddrOp2, Select(N->getOperand(0)));
     break;
   }
+
+  case ISD::CALLSEQ_START:
+  case ISD::CALLSEQ_END: {
+    unsigned Amt = cast<ConstantSDNode>(N->getOperand(1))->getValue();
+    unsigned Opc = N->getOpcode() == ISD::CALLSEQ_START ?
+                       PPC::ADJCALLSTACKDOWN : PPC::ADJCALLSTACKUP;
+    CurDAG->SelectNodeTo(N, MVT::Other, Opc, Select(N->getOperand(0)),
+                         getI32Imm(Amt));
+    break;
+  }
   case ISD::RET: {
     SDOperand Chain = Select(N->getOperand(0));     // Token chain.