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llvm-mirror/tools/llvm-mca
Andrea Di Biagio 00b6a7730b [llvm-mca][JSON] Teach the PipelinePrinter how to deal with anonymous code regions (PR51008)
This patch addresses the last remaining problems reported in PR51008.

Previous fixes for PR51008 worked under the wrong assumption that code regions
are always named (except maybe for the default region, which was automatically
named "main").

In reality, it is quite common for users to declare multiple anonymous regions.
So we cannot really use the region name as the key string of a JSON object.  In
practice, code region names are completely optional.

Using "main" for the default region was also problematic because there can be
another region with that same name.

This patch fixes these issues by introducing a json::array of regions.  Each
region has a "Name" field, which would default to the empty string for anonymous
regions.

Added a few more tests to verify that the JSON file format is still valid, and
that multiple anonymous regions all appear in the final output.
2021-07-10 13:57:52 +01:00
..
lib Revert "[MCA] [AMDGPU] Adding an implementation to AMDGPUCustomBehaviour for handling s_waitcnt instructions." 2021-07-07 20:48:42 -07:00
Views [llvm-mca][JSON] Further refactoring of the JSON printing logic. 2021-07-10 12:38:19 +01:00
CMakeLists.txt Reapply "[MCA] Adding the CustomBehaviour class to llvm-mca". 2021-06-16 16:54:48 +01:00
CodeRegion.cpp [llvm] Remove redundant return and continue statements (NFC) 2021-01-14 20:30:34 -08:00
CodeRegion.h [MCA][NFCI] Minor changes to InstrBuilder and Instruction. 2021-05-31 17:05:13 +01:00
CodeRegionGenerator.cpp [MCA] llvm-mca MCTargetStreamer segfault fix 2021-05-19 18:36:10 +01:00
CodeRegionGenerator.h [MCA] llvm-mca MCTargetStreamer segfault fix 2021-05-19 18:36:10 +01:00
llvm-mca.cpp [llvm-mca] Refactor the logic that prints JSON files. 2021-07-09 22:56:39 +01:00
PipelinePrinter.cpp [llvm-mca][JSON] Teach the PipelinePrinter how to deal with anonymous code regions (PR51008) 2021-07-10 13:57:52 +01:00
PipelinePrinter.h [llvm-mca][JSON] Further refactoring of the JSON printing logic. 2021-07-10 12:38:19 +01:00