llvm-6502/lib/CodeGen/SelectionDAG/DAGCombiner.cpp at 94083149fd6891c8a72472cf1814fa6600a75979 - llvm-6502 - Applefritter: Git

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Owen Anderson 43da6c7f13 Teach the DAG combiner to turn chains of FADDs (x+x+x+x+...) into FMULs by constants. This is only enabled in unsafe FP math mode, since it does not preserve rounding effects for all such constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162956 91177308-0d34-0410-b5e6-96231b3b80d8

2012-08-30 23:35:16 +00:00

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