llvm

42635856 - [AArch64][SVE] Allow accesses to SVE stack objects to use frame pointer

[AArch64][SVE] Allow accesses to SVE stack objects to use frame pointer The layout of the stack frame for SVE means that using the frame pointer rather than the stack pointer for an access to an SVE stack object removes the need for an additional add to jump over the non-SVE objects. Likewise the opposite is true for non-SVE stack objects. This patch allows for the former to be done by having HasFP return true in the presence of both SVE and non-SVE stack objects, and also fixes a minor issue whereby the later would not be done for certain offsets.