Arnold Schwaighofer 70a4665f55 LoopVectorizer: If dependency checks fail try runtime checks ...

When a dependence check fails we can still try to vectorize loops with runtime
array bounds checks.

This helps linpack to vectorize a loop in dgefa. And we are back to 2x of the
scalar performance on a corei7-avx.

radar://15339680

llvm-svn: 193853

2013-11-01 03:05:07 +00:00

2.4 KiB

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