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Author SHA1 Message Date
Jakob Stoklund Olesen
03939e4f9f Move TranslationState into its own module. 
Add some convenience methods for common state access patterns.
 2017-09-01 15:55:02 -07:00
Jakob Stoklund Olesen
6762194801 Move stack and control_stack into TranslationState. 
This reduces the number of function arguments passed around and it keeps
related information together.
 2017-09-01 14:29:35 -07:00
Dan Gohman
0c2ab06e66 Make EntitySet::contains return false for out-of-bounds indices. 
This is consistent with EntityMap.
 2017-09-01 14:04:38 -07:00
Dan Gohman
de92b2b967 Use Vec::resize. 2017-09-01 14:04:38 -07:00
Jakob Stoklund Olesen
52cbbcd069 Add a CtonError::InvalidInput variant. 
This error code will be used to complain when a WebAssembly binary code
can't be parsed.
 2017-09-01 13:08:07 -07:00
Dan Gohman
8237893113 Eliminate a temporary heap allocation when splitting a critical edge. 2017-09-01 12:50:51 -07:00
Dan Gohman
d4c53935b4 Introduce EntitySet, and use it to replace the HashSet in the frontend. 2017-09-01 12:23:53 -07:00
Dan Gohman
fe12fe0e63 Avoid unneeded calls to .as_slice(). 2017-09-01 12:15:14 -07:00
Dan Gohman
9d2fbdae62 Avoid cloning a jump argument vector to the heap. 2017-09-01 12:15:14 -07:00
Dan Gohman
28779dc7e4 Avoid allocating jump arguments on the heap. 
Instead of allocating a vector to store jump arguments for processing
later, just have the later code rescan through the predecessors to
obtain the values, which are memoized.

This also eliminates a linear search through the predecessor list when
splitting a critical edge.
 2017-09-01 12:15:14 -07:00
Jakob Stoklund Olesen
9bc4264a33 Update dependency to wasmparser v0.8.2. 
Soon we'll need the BinaryReader::read_local_decl() method which was
added in that release.
 2017-09-01 09:31:39 -07:00
Dan Gohman
7049cc78ae Refactor out an append helper function for SideEffects. 2017-08-31 17:49:39 -07:00
Dan Gohman
ec3972f515 Avoid allocating a vector for predecessor variables in the single-value case. 2017-08-31 17:42:19 -07:00
Dan Gohman
52335c9e0f Delete an obsolete TODO comment. 2017-08-31 17:06:14 -07:00
Dan Gohman
566c772e20 Eliminate more unnecessary calls to .iter(). 2017-08-31 17:03:12 -07:00
Dan Gohman
de02976162 Minor comment cleanups. 2017-08-31 17:02:26 -07:00
Dan Gohman
1d03244e90 Use debug_assert instead of assert in code where performance is important. 2017-08-31 16:36:18 -07:00
Dan Gohman
583487bfac Refactor the non-local case of use_var into a separate function. 2017-08-31 16:32:48 -07:00
Dan Gohman
e3227e38ce Avoid cloning precessor lists to the heap. 2017-08-31 16:09:26 -07:00
Dan Gohman
539a5b3378 Avoid a heap allocation for a block's undef_variables. 2017-08-31 15:42:37 -07:00
Dan Gohman
79f257060f Inline resolve_undef_vars, and collapse the resulting redundancy. 2017-08-31 14:49:53 -07:00
Dan Gohman
2d9b902d2e Clean up a redundant cast. 2017-08-31 14:35:19 -07:00
Dan Gohman
7be0abb442 Remove an unneeded extern crate. 2017-08-31 14:31:45 -07:00
Dan Gohman
0cacba15b9 Replace as casts with type-conversion functions. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#cast_lossless
 2017-08-31 14:31:23 -07:00
Dan Gohman
af74cdf364 Cretonne's top-level tools don't need to directly depend on wasmparser. 2017-08-31 13:40:35 -07:00
Dan Gohman
dc79d155ff Comment wording cleanups. 2017-08-31 12:47:05 -07:00
Dan Gohman
bc528917fd Avoid redundant '@ _' in match patterns. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#redundant_pattern
 2017-08-31 12:47:05 -07:00
Dan Gohman
ebbb836bb9 Use debug_assert_eq rather than debug_assert with an ==. 2017-08-31 12:47:05 -07:00
Dan Gohman
3c5755cfbd Avoid unneeded return keywords. 2017-08-31 12:47:05 -07:00
Dan Gohman
a7d629c368 Use the Self keyword where applicable. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#use_self
 2017-08-31 12:47:05 -07:00
Dan Gohman
99b361567a Remove unneeded mut keywords. 2017-08-31 12:47:05 -07:00
Dan Gohman
55ae51acfe Add an underscore between a literal value and its suffix. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#unseparated_literal_suffix
 2017-08-31 12:47:05 -07:00
Dan Gohman
da2c2151b1 Fix trivial_numeric_casts errors. 2017-08-31 12:47:05 -07:00
Dan Gohman
9726bb7367 Avoid matching with reference patterns. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#match_ref_pats
 2017-08-31 12:47:05 -07:00
Dan Gohman
5a8d1a9fda Use if let instead of match. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#single_match
 2017-08-31 12:47:05 -07:00
Dan Gohman
574031e4d2 Avoid unneeded passing by value. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#needless_pass_by_value
 2017-08-31 12:47:05 -07:00
Dan Gohman
b6641ff443 Avoid clone() on a Copy type. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#clone_on_copy
 2017-08-31 12:47:05 -07:00
Dan Gohman
105998944e Avoid redundant borrows. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#needless_borrow
 2017-08-31 12:47:05 -07:00
Dan Gohman
9a8f01b832 Avoid unnecessary '&' in matches. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#match_ref_pats
 2017-08-31 12:47:05 -07:00
Dan Gohman
acf4f1009b Eliminate redundant uses of format!. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#useless_format
 2017-08-31 12:47:05 -07:00
Dan Gohman
abbc6ddf24 Use is_empty() instead of comparing len() with 0. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#len_zero
 2017-08-31 12:47:05 -07:00
Dan Gohman
adfdd77311 Avoid creating a reference to a reference. 
https://github.com/rust-lang-nursery/rust-clippy/wiki#needless_borrow
 2017-08-31 12:47:05 -07:00
Dan Gohman
b411d01d6d Use [] instead of .get().unwrap(). 
https://github.com/rust-lang-nursery/rust-clippy/wiki#get_unwrap
 2017-08-31 12:47:05 -07:00
Dan Gohman
2efdc0ed37 Update rustfmt to 0.9.0. 2017-08-31 10:44:59 -07:00
Dan Gohman
46fb64cbb4 Add SideEffects::new(). 2017-08-31 10:28:56 -07:00
Dan Gohman
52186b8390 Refactor code for obtaining the header block. 2017-08-31 10:28:56 -07:00
Dan Gohman
fc374b6c06 Test that stack layout with an unsupported offset is rejected cleanly. 2017-08-31 08:54:50 -07:00
Dan Gohman
bd0590604d Test dfg's next_inst(). 2017-08-31 08:54:50 -07:00
Dan Gohman
4c3ac6053f Test the error case of condcode parsing. 2017-08-31 08:54:50 -07:00
Dan Gohman
6702221e94 Change EbbHeaderBlockData's predecessors list from a HashMap to a Vec. (#148) 
In addition to efficiency, this change also eliminates some nondeterminsm
resulting from HashMap key ordering.
 2017-08-31 08:54:34 -07:00