Matt Arsenault 1022c0dfde AMDGPU: Decompose all values to 32-bit pieces for calling conventions ...

This is the more natural lowering, and presents more opportunities to
reduce 64-bit ops to 32-bit.

This should also help avoid issues graphics shaders have had with
64-bit values, and simplify argument lowering in globalisel.

llvm-svn: 366578

2019-07-19 13:57:44 +00:00

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