From 722f5fc5672e6fdde1731e9d0cee3fd6bee1f490 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Thu, 1 Jul 2010 02:58:57 +0000
Subject: Enable on-demand fast-isel.

llvm-svn: 107377
---
 llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/SelectionDAG/FastISel.cpp')

diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
index cc8c3c70ac2..2d6b78840f5 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -161,7 +161,10 @@ unsigned FastISel::materializeRegForValue(const Value *V, MVT VT) {
       }
     }
   } else if (const Operator *Op = dyn_cast<Operator>(V)) {
-    if (!SelectOperator(Op, Op->getOpcode())) return 0;
+    if (!SelectOperator(Op, Op->getOpcode()))
+      if (!isa<Instruction>(Op) ||
+          !TargetSelectInstruction(cast<Instruction>(Op)))
+        return 0;
     Reg = lookUpRegForValue(Op);
   } else if (isa<UndefValue>(V)) {
     Reg = createResultReg(TLI.getRegClassFor(VT));
-- 
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