From 57b6076d343e03237ea8b56ab291f488cc97300f Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Fri, 14 May 2010 00:02:23 +0000
Subject: [PATCH] Trust kill flags from isel and later passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103748 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/RegAllocFast.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index 2f59b1d849b..66ba86ac94c 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -673,10 +673,6 @@ void RAFast::AllocateBasicBlock(MachineBasicBlock &MBB) {
     for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
       MachineOperand &MO = MI->getOperand(i);
       if (!MO.isReg()) continue;
-
-      // FIXME: For now, don't trust kill flags
-      if (MO.isUse()) MO.setIsKill(false);
-
       unsigned Reg = MO.getReg();
       if (!Reg || !TargetRegisterInfo::isPhysicalRegister(Reg) ||
           ReservedRegs.test(Reg)) continue;