From 19a2f2bcc025371056bc670f14201f4a69aeba87 Mon Sep 17 00:00:00 2001
From: Bob Wilson <bob.wilson@apple.com>
Date: Sat, 28 Jan 2012 18:02:29 +0000
Subject: Use defined-at-zero behavior for CLZ/CTZ builtins on PowerPC.

llvm-svn: 149181
---
 clang/lib/Basic/Targets.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'clang')

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index a5571422906..5cdb36f16b1 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -572,6 +572,8 @@ public:
     NumRecords = clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin;
   }
 
+  virtual bool isCLZForZeroUndef() const { return false; }
+
   virtual void getTargetDefines(const LangOptions &Opts,
                                 MacroBuilder &Builder) const;
 
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