diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 352b0efe06..10dcc09c8e 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -456,8 +456,7 @@ void SelectionDAGISel::ShrinkDemandedOps() { TargetLowering::TargetLoweringOpt TLO(*CurDAG, true); while (!Worklist.empty()) { - SDNode *N = Worklist.back(); - Worklist.pop_back(); + SDNode *N = Worklist.pop_back_val(); if (N->use_empty() && N != CurDAG->getRoot().getNode()) { CurDAG->DeleteNode(N); @@ -467,7 +466,6 @@ void SelectionDAGISel::ShrinkDemandedOps() { // Run ShrinkDemandedOp on scalar binary operations. if (N->getNumValues() == 1 && N->getValueType(0).isSimple() && N->getValueType(0).isInteger()) { - DebugLoc dl = N->getDebugLoc(); unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits(); APInt Demanded = APInt::getAllOnesValue(BitWidth); APInt KnownZero, KnownOne; @@ -520,9 +518,8 @@ void SelectionDAGISel::ComputeLiveOutVRegInfo() { APInt KnownZero; APInt KnownOne; - while (!Worklist.empty()) { - SDNode *N = Worklist.back(); - Worklist.pop_back(); + do { + SDNode *N = Worklist.pop_back_val(); // If we've already seen this node, ignore it. if (!VisitedNodes.insert(N)) @@ -562,7 +559,7 @@ void SelectionDAGISel::ComputeLiveOutVRegInfo() { LOI.KnownOne = KnownOne; LOI.KnownZero = KnownZero; } - } + } while (!Worklist.empty()); } void SelectionDAGISel::CodeGenAndEmitDAG() { |