From: Owen Anderson <resistor@mac.com>
Date: Wed, 8 Aug 2012 23:31:14 +0000 (+0000)
Subject: Allow legalization of target-specific SDNodes, provided that the target itself provid... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=12864689d199209a3a5046f4570d92a252da7420;p=oota-llvm.git

Allow legalization of target-specific SDNodes, provided that the target itself provide a legalization hook for them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161536 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index f3113bd8f63..acf0419510e 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -366,7 +366,9 @@ public:
   /// for it.
   LegalizeAction getOperationAction(unsigned Op, EVT VT) const {
     if (VT.isExtended()) return Expand;
-    assert(Op < array_lengthof(OpActions[0]) && "Table isn't big enough!");
+    // If a target-specific SDNode requires legalization, require the target
+    // to provide custom legalization for it.
+    if (Op > array_lengthof(OpActions[0])) return Custom;
     unsigned I = (unsigned) VT.getSimpleVT().SimpleTy;
     return (LegalizeAction)OpActions[I][Op];
   }