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Change all self assignments X=X to (void)X, so that we can turn on a

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new gcc warning that complains on self-assignments and
self-initializations.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122458 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2010-12-23 00:58:24 +00:00
parent 65e43a259f
commit 8e68c38735
20 changed files with 31 additions and 37 deletions
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lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+6 -6
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@@ -67,7 +67,7 @@ EmitCopyFromReg(SDNode *Node, unsigned ResNo, bool IsClone, bool IsCloned,
if (IsClone)
VRBaseMap.erase(Op);
bool isNew = VRBaseMap.insert(std::make_pair(Op, SrcReg)).second;
isNew = isNew; // Silence compiler warning.
(void)isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
return;
}
@@ -150,7 +150,7 @@ EmitCopyFromReg(SDNode *Node, unsigned ResNo, bool IsClone, bool IsCloned,
if (IsClone)
VRBaseMap.erase(Op);
bool isNew = VRBaseMap.insert(std::make_pair(Op, VRBase)).second;
isNew = isNew; // Silence compiler warning.
(void)isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
}
@@ -224,7 +224,7 @@ void InstrEmitter::CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
if (IsClone)
VRBaseMap.erase(Op);
bool isNew = VRBaseMap.insert(std::make_pair(Op, VRBase)).second;
isNew = isNew; // Silence compiler warning.
(void)isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
}
}
@@ -496,7 +496,7 @@ void InstrEmitter::EmitSubregNode(SDNode *Node,
SDValue Op(Node, 0);
bool isNew = VRBaseMap.insert(std::make_pair(Op, VRBase)).second;
isNew = isNew; // Silence compiler warning.
(void)isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
}
@@ -518,7 +518,7 @@ InstrEmitter::EmitCopyToRegClassNode(SDNode *Node,
SDValue Op(Node, 0);
bool isNew = VRBaseMap.insert(std::make_pair(Op, NewVReg)).second;
isNew = isNew; // Silence compiler warning.
(void)isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
}
@@ -555,7 +555,7 @@ void InstrEmitter::EmitRegSequence(SDNode *Node,
MBB->insert(InsertPos, MI);
SDValue Op(Node, 0);
bool isNew = VRBaseMap.insert(std::make_pair(Op, NewVReg)).second;
isNew = isNew; // Silence compiler warning.
(void)isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
}