Siva Annamalai
cde479301a
This reverts commit 4d5b5bb5a6.
Reason for revert: We are seeing an AOT compiler issue as a result of this change (please see https://github.com/flutter/flutter/issues/23879)
Original change's description:
> [vm/compiler] Fine tune operator and phi handling.
>
> Rationale:
> Running an extra call specialization pass a bit later
> in the compiler passes stream (after types are propagated)
> recognizes more operators, which execute more efficiently.
> In addition, unboxing phis seems useful on all archs, not
> just 32-bit. These minor tweeks combined improve the prime
> number benchmark 3 fold.
>
> https://github.com/flutter/flutter/issues/19677
>
> Change-Id: Ib2102ce807c2f0a9f801542e0c4bc6a7673f552b
> Reviewed-on: https://dart-review.googlesource.com/69240
> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
> Commit-Queue: Aart Bik <ajcbik@google.com>
TBR=vegorov@google.com,alexmarkov@google.com,asiva@google.com,ajcbik@google.com
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: I46e420f9355bfc3c4a3f2fb9274f648e8a596d9a
Reviewed-on: https://dart-review.googlesource.com/c/83229
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
Dart VM Compilation Pipeline
This folder contains Dart VM compilation pipeline.
Compilation pipeline is mainly responsible for converting AST or Kernel AST into IL flow graphs and then generating native code from IL.
It has the following structure:
| Directory | What goes there |
|---|---|
assembler/ |
Assemblers and disassemblers |
backend/ |
IL based compilation backend: optimization passes and architecture specific code generation rules |
frontend/ |
Frontends responsible for converting AST into IL |
jit/ |
JIT specific passes and compilation pipeline entry points |
aot/ |
AOT specific passes and compilation pipeline entry points |
. |
Shared code or code without clear designation. |
Currently there are no layering restrictions and components from different subfolders can reference each other.