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clang-p2996/llvm/test/tools/llvm-remarkutil/empty-file.test
Jessica Paquette a4591a61df [llvm-remarkutil] Add an option to print out function sizes
This adds an `instruction-count` command to llvm-remarkutil.

```
llvm-remarkutil instruction-count --parser=<bitstream|yaml> <file>
```

This will, for now, only print out asm-printer `InstructionCount` remarks.

Frequently I need to find out things like "what are the top 10 largest
functions" in a given project.

This makes it so we can find that information quickly and easily from any
format of remarks.

I chose a CSV because I usually want to stick these into a spreadsheet, and
the data is two-dimensional.

In the future, we may want to change this to another format if we add more
complicated data.

Differential Revision: https://reviews.llvm.org/D134765
2022-09-28 15:45:55 -07:00

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RUN: not llvm-remarkutil yaml2bitstream %p/Inputs/empty-file -o - 2>&1 | FileCheck %s --check-prefix=YAMLPARSER
RUN: not llvm-remarkutil instruction-count --parser=yaml %p/Inputs/empty-file -o - 2>&1 | FileCheck %s --check-prefix=YAMLPARSER
RUN: llvm-remarkutil bitstream2yaml %p/Inputs/empty-file -o - 2>&1 | FileCheck %s --allow-empty --check-prefix=BITSTREAM2YAML
RUN: llvm-remarkutil instruction-count --parser=bitstream %p/Inputs/empty-file -o - 2>&1 | FileCheck %s --allow-empty --check-prefix=SIZEBITSTREAM
; YAMLPARSER: error: document root is not of mapping type.
; An empty bitstream file is valid.
; BITSTREAM2YAML-NOT: error
; SIZEBITSTREAM-LABEL: Function,InstructionCount
; SIZEBITSTREAM-EMPTY