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Delete unnecessary variable. <rdar://problem/7662569>

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129796 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Stuart Hastings 2011-04-19 20:09:38 +00:00
parent 2cc4013853
commit 567cac0c51
1 changed files with 4 additions and 11 deletions
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15
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -66,9 +66,6 @@ class SelectionDAGLegalize {
/// against each other, including inserted libcalls.
SmallVector<SDValue, 8> LastCALLSEQ;
// Track CALLSEQ_BEGIN/CALLSEQ_END nesting.
int depthCALLSEQ;
enum LegalizeAction {
Legal, // The target natively supports this operation.
Promote, // This operation should be executed in a larger type.
@ -183,16 +180,13 @@ private:
void ExpandNode(SDNode *Node, SmallVectorImpl<SDValue> &Results);
void PromoteNode(SDNode *Node, SmallVectorImpl<SDValue> &Results);
SDValue getLastCALLSEQ() { return LastCALLSEQ.back(); /*[depthCALLSEQ];*/ }
void setLastCALLSEQ(const SDValue s) { LastCALLSEQ.back() /*[depthCALLSEQ]*/ = s; }
SDValue getLastCALLSEQ() { return LastCALLSEQ.back(); }
void setLastCALLSEQ(const SDValue s) { LastCALLSEQ.back() = s; }
void pushLastCALLSEQ(SDValue s) {
depthCALLSEQ++;
LastCALLSEQ.push_back(s);
}
void popLastCALLSEQ() {
LastCALLSEQ.pop_back();
depthCALLSEQ--;
assert(depthCALLSEQ >= 0 && "excess pop of LastCALLSEQ");
}
};
}
@ -239,7 +233,6 @@ SelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag,
}
void SelectionDAGLegalize::LegalizeDAG() {
depthCALLSEQ = 0;
pushLastCALLSEQ(DAG.getEntryNode());
// The legalize process is inherently a bottom-up recursive process (users
@ -952,7 +945,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
case ISD::BR_JT:
case ISD::BR_CC:
case ISD::BRCOND:
assert(depthCALLSEQ == 1 && "branch inside CALLSEQ_BEGIN/END?");
assert(LastCALLSEQ.size() == 1 && "branch inside CALLSEQ_BEGIN/END?");
// Branches tweak the chain to include LastCALLSEQ
Ops[0] = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Ops[0],
getLastCALLSEQ());
@ -3546,7 +3539,7 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
LegalizeSetCCCondCode(TLI.getSetCCResultType(Tmp2.getValueType()),
Tmp2, Tmp3, Tmp4, dl);
assert(depthCALLSEQ == 1 && "branch inside CALLSEQ_BEGIN/END?");
assert(LastCALLSEQ.size() == 1 && "branch inside CALLSEQ_BEGIN/END?");
setLastCALLSEQ(DAG.getEntryNode());
assert(!Tmp3.getNode() && "Can't legalize BR_CC with legal condition!");