From 50843c0741d242ab59e10ef88ebfbb88ce8f63ba Mon Sep 17 00:00:00 2001
From: Scott Michel <scottm@aero.org>
Date: Tue, 25 Nov 2008 04:03:47 +0000
Subject: [PATCH] CellSPU: Relax constraints on when to generate a X-form
 address, evidently they were too tight according to bug 3126.

Fix bug 3126.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60006 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/CellSPU/SPUISelDAGToDAG.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/Target/CellSPU/SPUISelDAGToDAG.cpp b/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
index 4fbd5bb467a..159da4639f2 100644
--- a/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
+++ b/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
@@ -591,6 +591,7 @@ SPUDAGToDAGISel::SelectXFormAddr(SDValue Op, SDValue N, SDValue &Base,
                                  SDValue &Index) {
   if (!SelectAFormAddr(Op, N, Base, Index)
       && !SelectDFormAddr(Op, N, Base, Index)) {
+#if 0
     // Default form of a X-form address is r(r) in operands 0 and 1:
     SDValue Op0 = N.getOperand(0);
     SDValue Op1 = N.getOperand(1);
@@ -611,6 +612,12 @@ SPUDAGToDAGISel::SelectXFormAddr(SDValue Op, SDValue N, SDValue &Base,
 
       return true;
     }
+#else
+    // All else fails, punt and use an X-form address:
+    Base = N.getOperand(0);
+    Index = N.getOperand(1);
+    return true;
+#endif
   }
 
   return false;
-- 
2.34.1