From b6d034a841b6b5c83337b28b22aa88a98133d58b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 24 Aug 2005 00:47:15 +0000
Subject: Add callseq_begin/end support Call stil not supported yet

llvm-svn: 22998
---
 llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'llvm/lib/Target')

diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index d949bce741f..5300f59b89f 100644
--- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/llvm/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.
 
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