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Stuart Cook
1262ff906b
Add scalar support for offload This PR adds scalar support to the offload feature. The scalar management has two main parts: On the host side, each scalar arg is casted to `ix` type, zero extended to `i64` and passed to the kernel like that. On the device, the each scalar arg (`i64` at that point), is truncated to `ix` and then casted to the original type. r? @ZuseZ4
The codegen crate contains the code to convert from MIR into LLVM IR,
and then from LLVM IR into machine code. In general it contains code
that runs towards the end of the compilation process.
For more information about how codegen works, see the rustc dev guide.