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fix typos in comments; NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239916 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2015-06-17 16:34:48 +00:00
parent 5057ee8357
commit d562b72225
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -83,11 +83,11 @@ EnableFMFInDAG("enable-fmf-dag", cl::init(false), cl::Hidden,
cl::desc("Enable fast-math-flags for DAG nodes"));
// Limit the width of DAG chains. This is important in general to prevent
// prevent DAG-based analysis from blowing up. For example, alias analysis and
// DAG-based analysis from blowing up. For example, alias analysis and
// load clustering may not complete in reasonable time. It is difficult to
// recognize and avoid this situation within each individual analysis, and
// future analyses are likely to have the same behavior. Limiting DAG width is
// the safe approach, and will be especially important with global DAGs.
// the safe approach and will be especially important with global DAGs.
//
// MaxParallelChains default is arbitrarily high to avoid affecting
// optimization, but could be lowered to improve compile time. Any ld-ld-st-st