[Constant Hoisting][ARM64] Enable constant hoisting for ARM64.

Description

[Constant Hoisting][ARM64] Enable constant hoisting for ARM64.

This implements the target-hooks for ARM64 to enable constant hoisting.

This fixes rdar://problem/14774662 and rdar://problem/16381500.

Details

Committed
ributzkaApr 8 2014, 1:39 PM
Parents
rL205790: This function should be const.
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