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SPIRV-Tools/source
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Steven Perron 82663f34c9
Check for unreachable blocks in merge-return. (#1966) 
Merge return assumes that the only unreachable blocks are those needed
to keep the structured cfg valid.  Even those must be essentially empty
blocks.

If this is not the case, we get unpredictable behaviour.  This commit
add a check in merge return, and emits an error if it is not the case.

Added a pass of dead branch elimination before merge return in both the
performance and size passes.  It is a precondition of merge return.

Fixes #1962.
2018-10-10 15:18:15 -04:00
..
comp Use MakeUnique. (#1837) 2018-08-14 15:01:50 -04:00
link Move make_unique to source/util. (#1836) 2018-08-14 12:44:54 -04:00
opt Check for unreachable blocks in merge-return. (#1966) 2018-10-10 15:18:15 -04:00
util Add option for the max id bound. (#1870) 2018-09-10 11:49:41 -04:00
val Fix calculation of case fall through (#1965) 2018-10-10 13:25:48 -04:00
assembly_grammar.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
assembly_grammar.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
binary.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
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 Enable /MP4 (parallel build across 4 cores for MSVC) for SPIRV-Tools/source[/opt] (#1930) 2018-10-01 10:47:39 -04:00
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 Cleanup includes. (#1795) 2018-08-03 15:06:09 -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
id_descriptor.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
id_descriptor.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -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 option for the max id bound. (#1870) 2018-09-10 11:49:41 -04:00
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 Add support for Nvidia Turing extensions 2018-09-19 20:46:14 -04:00
opcode.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
operand.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
operand.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
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
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_optimizer_options.cpp Add option for the max id bound. (#1870) 2018-09-10 11:49:41 -04:00
spirv_optimizer_options.h Add option for the max id bound. (#1870) 2018-09-10 11:49:41 -04:00
spirv_target_env.cpp allow atomics on Function pointers for OpenCL (#1955) 2018-10-09 11:33:01 -04:00
spirv_target_env.h allow atomics on Function pointers for OpenCL (#1955) 2018-10-09 11:33:01 -04:00
spirv_validator_options.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
spirv_validator_options.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
table.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
table.h Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
text_handler.cpp Fix readbility/braces warnings (#1804) 2018-08-07 09:09:47 -04:00
text_handler.h Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
text.cpp Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
text.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00