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authorDan Gohman <gohman@apple.com>2010-05-01 01:57:56 +0000
committerDan Gohman <gohman@apple.com>2010-05-01 01:57:56 +0000
commite7fc4ec5183e0c471c65359502f8755692a7a31c (patch)
tree23a094f46399af9a66687e1fe005518346e562b2 /lib/CodeGen/SelectionDAG
parent1708d84108e60703f6a3a90c5698e5f7c7f2d6fe (diff)
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Re-disable kill flags, as there is more trouble.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102826 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG')
-rw-r--r--lib/CodeGen/SelectionDAG/InstrEmitter.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index 1d44ff6..8c2127e 100644
--- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -296,6 +296,7 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op,
}
}
+#if 0
// If this value has only one use, that use is a kill. This is a
// conservative approximation. Tied operands are never killed, so we need
// to check that. And that means we need to determine the index of the
@@ -306,6 +307,9 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op,
--Idx;
bool isTied = MI->getDesc().getOperandConstraint(Idx, TOI::TIED_TO) != -1;
bool isKill = Op.hasOneUse() && !isTied && !IsDebug;
+#else
+ bool isKill = false;
+#endif
MI->addOperand(MachineOperand::CreateReg(VReg, isOptDef,
false/*isImp*/, isKill,