From c1b7f52fbeb2b637b1cdb1d5e81b3f2b090b8770 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Mon, 12 May 2008 19:47:18 +0000
Subject: [PATCH] Revert the previous commit. Go ahead and hoist
 rematerializable instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50990 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/MachineLICM.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index 82958305445..c2adb1e8b73 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -297,10 +297,6 @@ bool MachineLICM::IsLoopInvariantInst(MachineInstr &I) {
 void MachineLICM::Hoist(MachineInstr &MI) {
   if (!IsLoopInvariantInst(MI)) return;
 
-  // Hoisting things that are trivially rematerializable may result in worse
-  // code than before.
-  if (TII->isTriviallyReMaterializable(&MI)) return;
-
   std::vector<MachineBasicBlock*> Preds;
 
   // Non-back-edge predecessors.