From: Bob Wilson <bob.wilson@apple.com>
Date: Sat, 28 Jan 2012 18:02:29 +0000 (+0000)
Subject: Use defined-at-zero behavior for CLZ/CTZ builtins on PowerPC.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9f1c49c57d8a5215c3f662b0f00e830a0b06d6de;p=clang

Use defined-at-zero behavior for CLZ/CTZ builtins on PowerPC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149181 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index a557142290..5cdb36f16b 100644
--- a/lib/Basic/Targets.cpp
+++ b/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;