[pencil] Make array access in GetValueFloat() affine
[pencil] Make array access in GetValueFloat() affine


Former-commit-id: 9a98316de0b019771d1a3f1dbf20607db1696f14
dividiti/pencil-benchmark,pencil-language/pencil-benchmark,rbaghdadi/pencil-benchmark,pencil-language/pencil-benchmark,dividiti/pencil-benchmark,rbaghdadi/pencil-benchmark,rbaghdadi/pencil-benchmark,pencil-language/pencil-benchmark,dividiti/pencil-benchmark