From 20d4be151b54feb18aa1e5cc04033a4aa64137ae 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107377 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/FastISel.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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

diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index cc8c3c70ac..2d6b78840f 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/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));
-- 
cgit v1.2.3-70-g09d2