From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
Date: Mon, 28 Jan 2013 09:15:15 +0000 (+0000)
Subject: [msan] Make msan-handle-icmp-exact=0 by default.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=2f36a169a5fa0d31ce3b48f81f48c8b4963d8d0c;p=oota-llvm.git

[msan] Make msan-handle-icmp-exact=0 by default.

50% slowdown on one of the specs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173678 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/lib/Transforms/Instrumentation/MemorySanitizer.cpp
index a329dcc6bee..e92892d2887 100644
--- a/lib/Transforms/Instrumentation/MemorySanitizer.cpp
+++ b/lib/Transforms/Instrumentation/MemorySanitizer.cpp
@@ -129,7 +129,7 @@ static cl::opt<bool> ClHandleICmp("msan-handle-icmp",
 
 static cl::opt<bool> ClHandleICmpExact("msan-handle-icmp-exact",
        cl::desc("exact handling of relational integer ICmp"),
-       cl::Hidden, cl::init(true));
+       cl::Hidden, cl::init(false));
 
 static cl::opt<bool> ClStoreCleanOrigin("msan-store-clean-origin",
        cl::desc("store origin for clean (fully initialized) values"),