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carbon-lang/toolchain/lower
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Dana Jansens b92e23962a Use a FixedSizeValueStore<CheckIRId> in Lower::Context (#6021) 
Now that the total number of IRs is available from SemIR::File, we can
use FixedSizeValueStore to store/look up values mapped from a CheckIRId
instead of a Map, which is demonstrably faster (unsurprisingly, since
it's just a vector index). See #6019.

This replaces a Map with FixedSizeValueStore in Lower::Context for use
in `GetFileContext()`. This function is used in some places that can
become hot, such as `HandleInst()` and `GetType()`. In our current
lowering tests, there's no measurable performance change from this PR,
but based on #6019 we can expect to see one as the amount of
instructions being lowered increases. Using a FixedSizeValueStore when
possible is a better approach than a map, generally.
2025-09-08 17:33:54 +00:00
..
testdata
C++ interop: Add support for importing globals (#6005)
2025-09-08 08:34:55 +00:00
BUILD
Import C++ constructors of class Type fn Type(...) -> Type (#5879)
2025-08-06 12:02:38 +00:00
clang_global_decl.cpp
Import C++ constructors of class Type fn Type(...) -> Type (#5879)
2025-08-06 12:02:38 +00:00
clang_global_decl.h
Import C++ constructors of class Type fn Type(...) -> Type (#5879)
2025-08-06 12:02:38 +00:00
constant.cpp
Add basic support for strings to core, check, and lower. (#5963)
2025-08-20 00:18:50 +00:00
constant.h
Replacing lowering vectors with FixedSizeValueStore (#5636)
2025-06-10 20:15:19 +00:00
context.cpp
Use a FixedSizeValueStore<CheckIRId> in Lower::Context (#6021)
2025-09-08 17:33:54 +00:00
context.h
Use a FixedSizeValueStore<CheckIRId> in Lower::Context (#6021)
2025-09-08 17:33:54 +00:00
file_context.cpp
Support lowering of functions with variable binding parameters. (#6012)
2025-09-04 15:02:37 +00:00
file_context.h
Convert LegacyFloatType into FloatLiteralType. (#5939)
2025-08-12 18:55:38 +00:00
function_context.cpp
Widen integer loads and stores to a multiple of 8 bits. (#5986)
2025-08-26 21:49:24 +00:00
function_context.h
Widen integer loads and stores to a multiple of 8 bits. (#5986)
2025-08-26 21:49:24 +00:00
handle_aggregates.cpp
Widen integer loads and stores to a multiple of 8 bits. (#5986)
2025-08-26 21:49:24 +00:00
handle_call.cpp
Add MaybeUnformed(T) type. (#5989)
2025-09-02 20:50:49 +00:00
handle_expr_category.cpp
Widen integer loads and stores to a multiple of 8 bits. (#5986)
2025-08-26 21:49:24 +00:00
handle.cpp
Mark VtablePtr always constant (#5843)
2025-07-24 17:17:21 +00:00
lower.cpp
Stop using Map for the cache in InstFingerprinter (#6019)
2025-09-08 16:15:10 +00:00
lower.h
Stop using Map for the cache in InstFingerprinter (#6019)
2025-09-08 16:15:10 +00:00
mangler.cpp
C++ interop: Add support for importing globals (#6005)
2025-09-08 08:34:55 +00:00
mangler.h
Stop using Map for the cache in InstFingerprinter (#6019)
2025-09-08 16:15:10 +00:00
specific_coalescer.cpp
Refactor coalescing logic out of the file context. (#5723)
2025-06-25 21:22:58 +00:00
specific_coalescer.h
Refactor coalescing logic out of the file context. (#5723)
2025-06-25 21:22:58 +00:00