Misc. prep for codegen

• Delete old codegen code
• Draw basic block and fork join nest edges in dot visualizer
• Make array constants always zero
• Compute reduce cycles, fork join placement
• Cleanup (get rid of IRDisplay, simplify code now that array constants are always zero (parsing))
• Comments in IR text
• Verify a partitioning is valid
• Compute various analyses on partitioning

requested review from @xrouth2

assigned to @rarbore2

requested review from @aaronjc4 and removed review request for @xrouth2

requested review from @xrouth2 and removed review request for @aaronjc4

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• 29df6969 - Minimum set of simple IR

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• 21dcd297 - Verify types are "simple"

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• 970b3d17 - Remove non-zero array constants

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• 5f4e02d1 - Boilerplate to get needed info into one struct

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• ecdcb657 - Get top nodes from partition

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• 1bf81913 - Construct partition graph, all verified partition conditions

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• 3d52187b - Get the data inputs/outputs of each partition

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• 77b60fb1 - Improve IR def, compute partition function signatures

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• bfd8baa2 - Compute return type

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marked this merge request as ready

changed title from Draft: Add IR for codegen to Misc. prep for codegen

changed the description

changed the description

merged

mentioned in commit 52f5d493