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| author | Simon Hausmann <simon.hausmann@digia.com> | 2012-11-22 09:09:45 +0100 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@digia.com> | 2012-11-22 09:10:13 +0100 |
| commit | 470286ecfe79d59df14944e5b5d34630fc739391 (patch) | |
| tree | 43983212872e06cebefd2ae474418fa2908ca54c /Source/JavaScriptCore/dfg/DFGCSEPhase.cpp | |
| parent | 23037105e948c2065da5a937d3a2396b0ff45c1e (diff) | |
| download | qtwebkit-470286ecfe79d59df14944e5b5d34630fc739391.tar.gz | |
Imported WebKit commit e89504fa9195b2063b2530961d4b73dd08de3242 (http://svn.webkit.org/repository/webkit/trunk@135485)
Change-Id: I03774e5ac79721c13ffa30d152537a74d0b12e66
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGCSEPhase.cpp')
| -rw-r--r-- | Source/JavaScriptCore/dfg/DFGCSEPhase.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGCSEPhase.cpp b/Source/JavaScriptCore/dfg/DFGCSEPhase.cpp index 19051c174..36acb2c21 100644 --- a/Source/JavaScriptCore/dfg/DFGCSEPhase.cpp +++ b/Source/JavaScriptCore/dfg/DFGCSEPhase.cpp @@ -79,7 +79,7 @@ private: result++; ASSERT(result <= m_indexInBlock); #if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE) - dataLog(" limit %u: ", result); + dataLogF(" limit %u: ", result); #endif return result; } @@ -372,7 +372,7 @@ private: return NoNode; } - bool checkFunctionElimination(JSFunction* function, NodeIndex child1) + bool checkFunctionElimination(JSCell* function, NodeIndex child1) { for (unsigned i = endIndexForPureCSE(); i--;) { NodeIndex index = m_currentBlock->at(i); @@ -970,7 +970,7 @@ private: return false; #if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE) - dataLog(" Replacing @%u -> @%u", m_compileIndex, replacement); + dataLogF(" Replacing @%u -> @%u", m_compileIndex, replacement); #endif Node& node = m_graph[m_compileIndex]; @@ -988,7 +988,7 @@ private: void eliminate() { #if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE) - dataLog(" Eliminating @%u", m_compileIndex); + dataLogF(" Eliminating @%u", m_compileIndex); #endif Node& node = m_graph[m_compileIndex]; @@ -1029,7 +1029,7 @@ private: return; #if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE) - dataLog(" %s @%u: ", Graph::opName(m_graph[m_compileIndex].op()), m_compileIndex); + dataLogF(" %s @%u: ", Graph::opName(m_graph[m_compileIndex].op()), m_compileIndex); #endif // NOTE: there are some nodes that we deliberately don't CSE even though we @@ -1043,6 +1043,10 @@ private: switch (node.op()) { + case Identity: + setReplacement(node.child1().index()); + break; + // Handle the pure nodes. These nodes never have any side-effects. case BitAnd: case BitOr: @@ -1313,7 +1317,7 @@ private: m_lastSeen[node.op()] = m_indexInBlock; #if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE) - dataLog("\n"); + dataLogF("\n"); #endif } |