Florian Hahn 7f74651837 [VPlan] Use pointer to member 0 as VPInterleaveRecipe's pointer arg. (#106431) ...

Update VPInterleaveRecipe to always use the pointer to member 0 as
pointer argument. This in many cases helps to remove unneeded index
adjustments and simplifies VPInterleaveRecipe::execute.

In some rare cases, the address of member 0 does not dominate the insert
position of the interleave group. In those cases a PtrAdd VPInstruction
is emitted to compute the address of member 0 based on the address of
the insert position. Alternatively we could hoist the recipe computing
the address of member 0.

2024-10-06 22:53:13 +01:00

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