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Commit 74b61c39 authored by Jim Grosbach's avatar Jim Grosbach
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ARM: Use a dedicated intrinsic for vector bitwise select.

The expression based expansion too often results in IR level optimizations
splitting the intermediate values into separate basic blocks, preventing
the formation of the VBSL instruction as the code author intended. In
particular, LICM would often hoist part of the computation out of a loop.

rdar://11011471

llvm-svn: 164340
parent 14f779c4
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