SPIRV-Tools/test/opt
Steven Perron 5f599e700e
Fix infinite loop in dead-branch-elimination (#1891)
* Create structed cfg analysis.

There are lots of optimization that have to traverse the CFG in a
structured order just because it wants to know which constructs a
basic block in contained in.  This adds extra complexity to these
optimizations, for causes too much refactoring of older optimizations.

To help with this problem, I have written an analysis that can give this
information.

* Identify branches breaking from loops.

Dead branch elimination does a search for a conditional branch to the
end of the current selection construct.  This search assumes that the
only way to leave the construct is through the merge node.  But that is
not true.  The code can jump to the merge node of a loop that contains
the construct.

The search needs to take this into consideration.
2018-09-17 13:00:24 -04:00
..
dominator_tree Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
loop_optimizations Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
aggressive_dead_code_elim_test.cpp Handle breaks from structured-ifs in DCE. (#1848) 2018-08-21 11:54:44 -04:00
assembly_builder_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
assembly_builder.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
block_merge_test.cpp Allow merge blocks to merge two header blocks in some cases. (#1890) 2018-09-14 13:37:18 -04:00
ccp_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
cfg_cleanup_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
CMakeLists.txt Fix infinite loop in dead-branch-elimination (#1891) 2018-09-17 13:00:24 -04:00
combine_access_chains_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
common_uniform_elim_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
compact_ids_test.cpp Validate the input to Optimizer::Run (#1799) 2018-08-08 11:16:19 -04:00
constant_manager_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
copy_prop_array_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
dead_branch_elim_test.cpp Fix infinite loop in dead-branch-elimination (#1891) 2018-09-17 13:00:24 -04:00
dead_insert_elim_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
dead_variable_elim_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
decoration_manager_test.cpp Copy decorations when creating new ids. (#1843) 2018-08-24 11:55:39 -04:00
def_use_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
eliminate_dead_const_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
eliminate_dead_functions_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
feature_manager_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
flatten_decoration_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
fold_spec_const_op_composite_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
fold_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
freeze_spec_const_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
function_utils.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
if_conversion_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
inline_opaque_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
inline_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
insert_extract_elim_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
instruction_list_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
instruction_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
ir_builder.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
ir_context_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
ir_loader_test.cpp Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
iterator_test.cpp Move make_unique to source/util. (#1836) 2018-08-14 12:44:54 -04:00
line_debug_info_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
local_access_chain_convert_test.cpp Copy decorations when creating new ids. (#1843) 2018-08-24 11:55:39 -04:00
local_redundancy_elimination_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
local_single_block_elim.cpp Keep decorations when replacing loads in access-chain-convert. (#1829) 2018-08-15 09:14:21 -04:00
local_single_store_elim_test.cpp Keep decorations when replacing loads in access-chain-convert. (#1829) 2018-08-15 09:14:21 -04:00
local_ssa_elim_test.cpp Copy decorations when creating new ids. (#1843) 2018-08-24 11:55:39 -04:00
module_test.cpp Add option for the max id bound. (#1870) 2018-09-10 11:49:41 -04:00
module_utils.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
optimizer_test.cpp Validate the input to Optimizer::Run (#1799) 2018-08-08 11:16:19 -04:00
pass_fixture.h Use MakeUnique. (#1837) 2018-08-14 15:01:50 -04:00
pass_manager_test.cpp Move make_unique to source/util. (#1836) 2018-08-14 12:44:54 -04:00
pass_merge_return_test.cpp Copy decorations when creating new ids. (#1843) 2018-08-24 11:55:39 -04:00
pass_remove_duplicates_test.cpp Fixup readabilty/inheritance warnings (#1805) 2018-08-07 09:10:03 -04:00
pass_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
pass_utils.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
pass_utils.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
private_to_local_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
propagator_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
reduce_load_size_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
redundancy_elimination_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
register_liveness.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
replace_invalid_opc_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
scalar_analysis.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
scalar_replacement_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
set_spec_const_default_value_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
simplification_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
strength_reduction_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
strip_debug_info_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
strip_reflect_info_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
struct_cfg_analysis_test.cpp Fix infinite loop in dead-branch-elimination (#1891) 2018-09-17 13:00:24 -04:00
type_manager_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
types_test.cpp Use MakeUnique. (#1837) 2018-08-14 15:01:50 -04:00
unify_const_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
utils_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
value_table_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
vector_dce_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
workaround1209_test.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00