From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Sat, 30 Jul 2011 17:19:14 +0000 (+0000)
Subject: Revert r136528 "Enable compact region splitting by default."
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=21384c4ea8e1a8097a1feef1813c1414af9dae2a

Revert r136528 "Enable compact region splitting by default."

While this generally helped x86-64, there was some large regressions
for i386.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136571 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 9bc26518704..239c8e43595 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -52,7 +52,7 @@ STATISTIC(NumGlobalSplits, "Number of split global live ranges");
 STATISTIC(NumLocalSplits,  "Number of split local live ranges");
 STATISTIC(NumEvicted,      "Number of interferences evicted");
 
-cl::opt<bool> CompactRegions("compact-regions", cl::init(true));
+cl::opt<bool> CompactRegions("compact-regions");
 
 static RegisterRegAlloc greedyRegAlloc("greedy", "greedy register allocator",
                                        createGreedyRegisterAllocator);