Remove dead debug option -disable-rematerialization.

Remat has been stable for years, and it isn't done by
LiveIntervalAnalysis any longer. (See LiveRangeEdit).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158079 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 186def79e269757145e3e7805ae0c7ebe1766406..c5bee077ad2f14269dc34caba9abf8465dabb0e0 100644 (file)
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -40,10 +40,6 @@
 #include <cmath>
 using namespace llvm;
 
-// Hidden options for help debugging.
-static cl::opt<bool> DisableReMat("disable-rematerialization",
-                                  cl::init(false), cl::Hidden);
-
 // Temporary option to enable regunit liveness.
 static cl::opt<bool> LiveRegUnits("live-regunits", cl::Hidden);