commit 18bb0545ff79b85ef424e95e2170e3a06f11b735
author Chad Rosier <mcrosier@apple.com> Wed Nov 28 00:21:29 2012 +0000
committer Chad Rosier <mcrosier@apple.com> Wed Nov 28 00:21:29 2012 +0000
tree f9911544f787bb77fc671c42377a6a7c9cea1ffb
parent 0d5dbcb5dcffc57e60b55418ef29c7b1929529ff

Revert r168630, r168631, and r168633 as these are causing nightly test failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168751 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/RegAllocFast.cpp

diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index 3744b06..8892216 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -1127,6 +1127,7 @@
   TM = &Fn.getTarget();
   TRI = TM->getRegisterInfo();
   TII = TM->getInstrInfo();
+  MRI->freezeReservedRegs(Fn);
   RegClassInfo.runOnMachineFunction(Fn);
   UsedInInstr.clear();
   UsedInInstr.setUniverse(TRI->getNumRegs());