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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2010-01-07 17:27:56 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2010-01-07 17:27:56 +0000 |
| commit | 947f3a6e79834ed0e7a5310c43eb0ca64fd24b8c (patch) | |
| tree | 79a52d71556f2debac2334a96677ad21c5ec6964 /lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | |
| parent | 2e64059cb3f404df32fffcfe0f30c937e372c3bb (diff) | |
| download | external_llvm-947f3a6e79834ed0e7a5310c43eb0ca64fd24b8c.tar.gz external_llvm-947f3a6e79834ed0e7a5310c43eb0ca64fd24b8c.tar.bz2 external_llvm-947f3a6e79834ed0e7a5310c43eb0ca64fd24b8c.zip | |
Use pop_back_val instead of back()+pop_back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92918 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -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() { |