[Loop Peeling] Enable peeling of multiple exits by default.

Enable loop peeling with multiple exits where all non-latch exits
ends up with deopt by default.

Reviewers: reames, fhahn
Reviewed By: reames
Subscribers: xbolva00, hiraditya, zzheng, llvm-commits
Differential Revision: https://reviews.llvm.org/D64619

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366542 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/LoopUnrollPeel.cpp b/lib/Transforms/Utils/LoopUnrollPeel.cpp
index 005306cf1898e31242d03bf0e1b08888433a549e..d55c0eb7c6ef400b8471406700ae7ebfb0b08387 100644 (file)
--- a/lib/Transforms/Utils/LoopUnrollPeel.cpp
+++ b/lib/Transforms/Utils/LoopUnrollPeel.cpp
@@ -62,7 +62,7 @@ static cl::opt<unsigned> UnrollForcePeelCount(
     cl::desc("Force a peel count regardless of profiling information."));
 
 static cl::opt<bool> UnrollPeelMultiDeoptExit(
-    "unroll-peel-multi-deopt-exit", cl::init(false), cl::Hidden,
+    "unroll-peel-multi-deopt-exit", cl::init(true), cl::Hidden,
     cl::desc("Allow peeling of loops with multiple deopt exits."));
 
 // Designates that a Phi is estimated to become invariant after an "infinite"