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6c7db9c630
SPIRV-Tools/source
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Steven Perron 6c7db9c630
Handle nested breaks from switches. (#2624) 
* Handle nested breaks from switches.

There was a recent decision made to allow branches to the merge node of
a switch even if the switch is not the first enclosing construct.  They
can be generated by glslang from break statements in switches.

Dead branch elimination seems to be the only optimization that will
break because of this change, so I will update that optimizations.

The change made are:

- Track switches in structured cfg analysis.
- In Dead branch elimination:
  - Look for nested breaks that will require a switch instruction.
  - Rewrite, but don't delete, switchs that are required even if it
    could be replaced by an unconditional branch.
  - When looking for the first break, consider the merge of a switch
    as well.

See #2612.

* Fix variable names and comments.

* Add tests for the struct cfg analysis and switches.

* Fix typos in comments.
2019-05-27 16:28:14 -04:00
..
fuzz Add library for spirv-fuzz (#2618) 2019-05-27 14:34:55 +01:00
link Move make_unique to source/util. (#1836) 2018-08-14 12:44:54 -04:00
opt Handle nested breaks from switches. (#2624) 2019-05-27 16:28:14 -04:00
reduce Implement WebGPU->Vulkan initializer conversion for 'Function' variables (#2513) 2019-04-16 14:31:36 -04:00
util Change HexFloat to work with gcc8. (#2109) 2018-11-26 15:47:48 -05:00
val Allow arrays of out per-primitive builtins for mesh shaders (#2617) 2019-05-23 15:08:59 -04:00
assembly_grammar.cpp Add validation for SPV_NV_cooperative_matrix (#2404) 2019-02-25 17:43:11 -05:00
assembly_grammar.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
binary.cpp Output disassembly line number for binary parse errors. (#2195) 2018-12-21 16:24:15 -05:00
binary.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
cfa.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
CMakeLists.txt Add library for spirv-fuzz (#2618) 2019-05-27 14:34:55 +01:00
diagnostic.cpp Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
diagnostic.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
disassemble.cpp Use MakeUnique. (#1837) 2018-08-14 15:01:50 -04:00
disassemble.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
enum_set.h Use MakeUnique. (#1837) 2018-08-14 15:01:50 -04:00
enum_string_mapping.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
enum_string_mapping.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
ext_inst.cpp Support SPIR-V 1.4 (#2550) 2019-05-07 12:27:18 -04:00
ext_inst.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
extensions.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
extensions.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
extinst.debuginfo.grammar.json Add asm, dis support for DebugInfo extended instruction set 2017-12-22 09:39:36 -05:00
extinst.spv-amd-gcn-shader.grammar.json Fix spelling in SPV_AMD_gcn_shader support 2017-04-03 14:59:18 -04:00
extinst.spv-amd-shader-ballot.grammar.json Add support for SPV AMD extensions 2017-06-21 15:08:07 -04:00
extinst.spv-amd-shader-explicit-vertex-parameter.grammar.json Add support for SPV AMD extensions 2017-06-21 15:08:07 -04:00
extinst.spv-amd-shader-trinary-minmax.grammar.json Add support for SPV AMD extensions 2017-06-21 15:08:07 -04:00
instruction.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
latest_version_glsl_std_450_header.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
latest_version_opencl_std_header.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
latest_version_spirv_header.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
libspirv.cpp Add SpirvTools::IsValid(). (#2326) 2019-01-24 09:45:09 -05:00
macro.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
name_mapper.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
name_mapper.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
opcode.cpp Use last version (#2578) 2019-05-10 11:02:01 -04:00
opcode.h Add --strip-atomic-counter-memory (#2413) 2019-03-14 13:34:33 -04:00
operand.cpp Use last version (#2578) 2019-05-10 11:02:01 -04:00
operand.h New spirv-reduce reduction pass: operand to dominating id. (#2099) 2018-11-26 17:06:21 -05:00
parsed_operand.cpp Replace asserts with returns 2018-08-08 15:13:04 -04:00
parsed_operand.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
pch_source.cpp Enable precompiled headers for spirv-tools(-shared) and some unit tests (#2026) 2018-11-06 09:26:23 -05:00
pch_source.h Enable precompiled headers for spirv-tools(-shared) and some unit tests (#2026) 2018-11-06 09:26:23 -05:00
print.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
print.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
software_version.cpp Add missing function parameters in libspirv.h 2018-04-03 10:10:43 -04:00
spirv_constant.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
spirv_definition.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
spirv_endian.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
spirv_endian.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
spirv_fuzzer_options.cpp Add library for spirv-fuzz (#2618) 2019-05-27 14:34:55 +01:00
spirv_fuzzer_options.h Add library for spirv-fuzz (#2618) 2019-05-27 14:34:55 +01:00
spirv_optimizer_options.cpp Add explicit void parameter in libspirv.h again (#2032) 2018-11-06 11:12:26 -05:00
spirv_optimizer_options.h Add option for the max id bound. (#1870) 2018-09-10 11:49:41 -04:00
spirv_reducer_options.cpp Improve reducer algorithm and other changes (#2472) 2019-03-26 13:22:31 +00:00
spirv_reducer_options.h Improve reducer algorithm and other changes (#2472) 2019-03-26 13:22:31 +00:00
spirv_target_env.cpp Support SPIR-V 1.4 (#2550) 2019-05-07 12:27:18 -04:00
spirv_target_env.h Make spvParseTargetEnv public (#2362) 2019-02-07 14:49:15 -05:00
spirv_validator_options.cpp Make pointers to isomorphic type interchangeable with option. (#2570) 2019-05-13 13:48:17 -04:00
spirv_validator_options.h Make pointers to isomorphic type interchangeable with option. (#2570) 2019-05-13 13:48:17 -04:00
table.cpp Support SPIR-V 1.4 (#2550) 2019-05-07 12:27:18 -04:00
table.h Use last version (#2578) 2019-05-10 11:02:01 -04:00
text_handler.cpp Avoid GCC8 warning in text_handler.cpp. (#2197) 2018-12-13 15:03:28 -05:00
text_handler.h Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
text.cpp Use correct option in spvTextToBinary. (#2416) 2019-02-26 16:52:33 -05:00
text.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00