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Extend the 'rtl_var' definition to host liveness information needed for
a simple liveness analysis performed by the LLVM backend.
Also, uncomment some function definitions (mostly simple accessors) that
are already there and are useful for the translation of RTL code to LLVM
assembly.
Finally, extend the RTL 'call' instruction with the 'normalcontinuation'
field which is required for translating calls that are in the scope of
an exception handler. This extra field is required in order to point to
a new basic block which will hold the 'unwind label' of LLVM's invoke
instruction. While the 'unwind label' is semantically equivalent with
the 'failcontinuation', in LLVM this block must have a 'landingpad'
instruction. The problem arises by the fact that an RTL 'continuation'
block can also be accessible by other paths in the RTL CFG, and so
cannot be marked as a landing pad. To overcome this issue we create a
new block (the 'normalcontinuation') which is used as the 'unwind label'
of LLVM's invoke instruction and which will eventually transfer control
to the 'continuation' block.
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This is used by the LLVM backend in order to generate unique names for
temporary SSA values and functions.
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A call in llvm_fix_pinned_regs/0 is inserted in the beginning of LLVM unwind
blocks (i.e. code executed when an LLVM 'invoke' call triggers an exception)
in order to get the BP and SP registers right. This is needed because LLVM
exception handling doesn't provide the return value (that also contains the
values for these registers, as defined in the HiPE Calling Convention for
LLVM) on the 'landingpad's.
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All backends (e.g. arm, ppc, sparc, x86) share the same code for the following
functions:
* find_const/2,
* mk_data_relocs/2, and
* slim_sorted_exportmap/3
This commit moves those definitions (along with some helper functions) in
misc/hipe_pack_constants.erl and adds the appropriate specs. This is a
structural change; no change in semantics intented.
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* egil/maps/doc-module-api:
erl_docgen: Generate map() instead of #{} for maps type
stdlib: Document Maps module
stdlib: Fix maps:from_list/1 spec.
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* nox/maps-cerl_clauses:
Support maps in cerl_clauses:match/2
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* nox/maps-improve-erl_lint:
Improve linting of map expressions
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* nox/maps-beam_jump:
Properly check label use in get_map_elements in beam_jump
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* nox/maps-v3_codegen-sort-nil-keys:
Properly sort map pairs in v3_codegen
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* nox/maps-complex-mixed-values:
Properly order Kernel code for maps with mixed pairs
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* nox/compiler/v3_core-comprehension-no-export:
Do not export variables from comprehension cases in v3_core
OTP-11770
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* nox/compiler/beam_bool-not_boolean_expr:
Compile BIF calls and operator expressions to Core the same way
Do not try to optimize non-boolean guards
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* nox/compiler/core_lint-call-guard:
Properly lint calls in Core Erlang guards
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* kostis/hipe_bifs-types:
Add types for new HiPE BIFs
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* hb/stdlib/fix_dets/OTP-11709:
stdlib: Fix a Dets bug where files were deleted
stdlib: Fix a Dets bug with leaking file descriptors
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* hb/stdlib/spec_fixes/OTP-11399:
stdlib: Improve the doc of the supervisor's via reference
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Instead of deleting the small file when opening it with
dets:open_file/2 an error message is returned, mimicking the behaviour
when the file is bigger.
open_file/1 has been modified to return the same error message when
the file is small as when the file is bigger.
Thanks to Hakan Mattson for reporting this bug.
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Thanks to Hakan Mattson for reporting this bug.
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* nox/compiler/beam_bool-bad-protected:
Properly detect nonboolean protected expressions in beam_bool
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* nox/compiler/live_opt-wait_timeout-nil:
Handle nil as a wait_timeout argument in beam_utils:live_opt/4
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* nox/compiler/sys_core_fold-erlang-is_function-2:
Do not mark all calls to erlang:is_function/2 as safe
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* nox/compiler/lint-shortcircuit-ops:
Properly lint shortcircuiting operators
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Code like the following snippet could make the compiler crash:
f() -> [X = a || false] ++ [X = a || false].
Reported-by: Ulf Norell
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* hb/dialyzer/deprecate_types/OTP-10342:
Introduce compiler option 'nowarn_deprecated_type'
Improve message about deprecated built-in types
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Previously, erlang:'or'(X, Y) and X or Y were not compiled to the same
Core code.
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Expressions such as erlang:'or'(bar, true) can make beam_bool crash if it tries
to optimize them, as this code is not quite really written by users, no attempt
to rewrite them more efficiently should be done, for simplicity's sake.
Reported-by: Ulf Norell
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Most of the updates have already been made in
'Fix alternative registry type annotations in supervisor',
a5412706f4185fddbac29216a49affd1e9f11da0.
Thanks to MaximMinin.
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Commit 81c7db0e247a6ee1b7a5c2764aa9575d7f6fb88a broke apart
hipe_bif:make_fe/3 into two BIFs but forgot to properly update the
type information about HiPE BIFs in erl_bif_types.erl. This commit
fixes this by taking out the types of hipe_bifs:make_fe/3 and adding
types for the new BIFs hipe_bifs:get_fe/2 and
hipe_bifs:hipe_bifs_set_native_address_in_fe/2.
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Reported-by: Ulf Norell
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Without this, sys_core_fold could crash on non-matching clauses using maps
patterns.
Reported-by: Ulf Norell
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The Kernel instructions were not properly ordered when compiling maps with
complex values mixed in assoc and exact pairs.
Reported-by: Ulf Norell
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Literal nil values aren't tagged tuple but the bare atom nil.
The function lists:sort/2 expects the passed function to return true if the first
element is less than or equal to the second, not strictly less than. The original
base clause is changed accordingly.
Reported-by: Ulf Norell
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Not all calls to the erlang module are legal guards in Core Erlang.
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* nox/maps-support-cover/OTP-11764:
Support maps in cover
Conflicts:
lib/tools/src/cover.erl
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* ia/ssl/option-check:
ssl: Add exception for inet and inet6 to proplist check
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* nox/maps-fix-beam_bool-put_map:
Properly collect labels in put_map instructions in beam_bool
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* nox/maps-expand-update:
Fix expansion of map update arguments
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* nox/compiler/v3_core-mismatched-apply:
Do not emit blatantly illformed Core Erlang apply expressions
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* nox/compiler/sys_core_fold-erlang-is_record-3:
Do not mark all calls to erlang:is_record/3 as safe
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* bjorn/hipe/fix-race-condition:
Delay patching of closures to eliminate a race condition
hipe: Break apart hipe_bif:make_fe/3 into two BIFs
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* hb/stdlib/qlc_fix/OTP-11758:
Fix a qlc bug where filters were erroneously optimized away
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The deprecation of the built-in types dict/0 and so on had as
side-effect that it was impossible to switch to dict:dict/2 and so on
without getting warnings either in the the previous release (R16B) or
the current one (17.0).
By including the attribute
-compile(nowarn_deprecated_type).
in an Erlang source file warnings about deprecated types can be
avoided in 17.0.
The option can also be given as a compiler flag:
erlc +nowarn_deprecated_type file.erl
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