Functions — github.com/anthropics/claudes-c-compiler

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Functions6,057 in github.com/anthropics/claudes-c-compiler

⨍ Functions 6,057◇ Types & classes 346

Invalidate all slot mappings backed by a specific register.

src/backend/riscv/codegen/peephole.rs:736

↓ 4 callersFunctionhas_implicit_reg_usage

Check if an instruction has implicit register usage that makes register substitution unsafe (div/idiv/mul use rax/rdx, shifts use cl, etc.).

src/backend/x86/codegen/peephole/passes/helpers.rs:95

↓ 4 callersMethodintern_char16_string_literal

Intern a char16_t string literal (u"...") and return its label. Each character is stored as a u16 (char16_t), plus a null terminator.

src/ir/lowering/lower.rs:1078

↓ 4 callersMethodintern_wide_string_literal

Intern a wide string literal (L"...") and return its label. Each character is stored as a u32 (wchar_t), plus a null terminator.

src/ir/lowering/lower.rs:1067

↓ 4 callersMethodis_arithmetic

Whether this is an arithmetic type (integer, floating-point, or complex).

src/common/types.rs:1421

↓ 4 callersMethodis_atomic_wide

Check if a type requires 64-bit atomic handling on i686 (needs cmpxchg8b).

src/backend/i686/codegen/emit.rs:621

↓ 4 callersFunctionis_callee_saved_reg

Check if a register family ID is callee-saved (rbx=3, r12=12, r13=13, r14=14, r15=15).

src/backend/x86/codegen/peephole/passes/helpers.rs:17

↓ 4 callersMethodis_comparison

Returns true for comparison operators (==, !=, <, <=, >, >=, &&, ||).

src/frontend/parser/ast.rs:779

↓ 4 callersFunctionis_control_reg

Is this a control register?

src/backend/i686/assembler/encoder/registers.rs:37

↓ 4 callersMethodis_dynamic

(&self)

src/backend/arm/linker/types.rs:43

↓ 4 callersMethodis_error_attr

(&self)

src/frontend/parser/ast.rs:394

↓ 4 callersFunctionis_generic_gp_constraint

Returns true if the constraint string (after stripping `=`, `+`, `&`) contains a generic GP register class character that could cause the scratch allo

src/backend/stack_layout/inline_asm.rs:126

↓ 4 callersMethodis_i128_value

(&self, v: u32)

src/backend/state.rs:340

↓ 4 callersFunctionis_ident_char

(b: u8)

src/backend/peephole_common.rs:18

↓ 4 callersMethodis_inf

(&self)

src/common/long_double.rs:564

↓ 4 callersMethodis_naked

(&self)

src/frontend/parser/ast.rs:89

↓ 4 callersFunctionis_near_epilogue

Check if a LoadRbp at position `pos` is part of the function epilogue. The epilogue pattern is: callee-save restores, then `movq %rbp, %rsp; popq %rbp

src/backend/x86/codegen/peephole/passes/helpers.rs:222

↓ 4 callersFunctionis_reg16

Is this a 16-bit GP register?

src/backend/x86/assembler/encoder/registers.rs:110

↓ 4 callersFunctionis_reg32

Is this a 32-bit GP register?

src/backend/x86/assembler/encoder/registers.rs:104

↓ 4 callersMethodis_riscv

Returns true if the target is RISC-V 64. RISC-V stores full IEEE binary128 long doubles in memory.

src/ir/lowering/lower.rs:243

↓ 4 callersMethodis_thread_local

(&self)

src/frontend/parser/ast.rs:244

↓ 4 callersMethodis_transparent_union

Check if a TypeSpecifier is a transparent union (passed as first member for ABI).

src/ir/lowering/types.rs:59

↓ 4 callersMethodis_type_struct_or_union

Check if a TypeSpecifier resolves to a struct or union type (through typedefs).

src/ir/lowering/types.rs:53

↓ 4 callersMethodis_wide_value

Check if a value is a "wide" type on 32-bit targets (F64, I64, U64). These need multi-word copy handling instead of the 32-bit accumulator path.

src/backend/state.rs:355

↓ 4 callersFunctionlink_builtin

Link AArch64 object files into an ELF executable (pre-resolved CRT/library variant). Supports both static and dynamic linking. When `is_static` is fa

src/backend/arm/linker/link.rs:27

↓ 4 callersFunctionlink_shared

Create a shared library (.so) from object files.

src/backend/arm/linker/link.rs:257

↓ 4 callersMethodload_instr_for_type_impl

(&self, ty: IrType)

src/backend/arm/codegen/prologue.rs:328

↓ 4 callersMethodlong_double_bytes

Get the raw f128 bytes from a LongDouble constant.

src/ir/constants.rs:208

↓ 4 callersMethodlower_global_init

Lower a global initializer to a GlobalInit value. This is the main dispatch: expressions go to `lower_global_init_expr`, initializer lists go to `low

src/ir/lowering/global_init.rs:44

↓ 4 callersMethodlower_local_decl

(&mut self, decl: &Declaration)

src/ir/lowering/stmt.rs:80

↓ 4 callersMethodmov_store_for_type

Return the store mnemonic for a given type.

src/backend/i686/codegen/emit.rs:417

↓ 4 callersMethodneeds_got_for_addr

Returns true if taking the address of a symbol requires GOT indirection. Unlike needs_got(), this returns true for external symbols even in non-PIC mo

src/backend/state.rs:399

↓ 4 callersMethodnewline

(&mut self)

src/backend/common.rs:1055

↓ 4 callersMethodnext_anon_struct_id

Get the next anonymous struct/union ID for CType key generation. Safe to call from &self contexts (uses Cell for interior mutability).

src/frontend/sema/type_context.rs:343

↓ 4 callersFunctionnext_reads_carry_flag

Check if the next instruction reads the carry flag (CF). Instructions like `adcl`, `sbbl`, `rcl`, `rcr` depend on CF. `incl`/`decl` do NOT set CF (unl

src/backend/i686/codegen/peephole.rs:603

↓ 4 callersFunctionparse_archive

Parse a .a static archive and return all ELF .o members.

src/backend/riscv/linker/elf_read.rs:39

↓ 4 callersMethodparse_asm_and_attributes

Parse __asm__("..."), __attribute__(...), and __extension__ after declarators. Returns (is_constructor, is_destructor, mode_kind, is_common, aligned_v

src/frontend/parser/parse.rs:906

↓ 4 callersFunctionparse_data_values

Parse data values (integers or symbol references).

src/backend/x86/assembler/parser.rs:1443

↓ 4 callersFunctionparse_data_values

Parse a comma-separated list of data values for .byte/.short/.long/.quad. Each value can be an integer, a symbol reference, or a symbol difference.

src/backend/riscv/assembler/parser.rs:596

↓ 4 callersMethodparse_declarator_with_attrs

Parse a declarator, also returning attribute info: (name, derived, mode_kind, has_common, aligned_value, is_packed)

src/frontend/parser/declarators.rs:43

↓ 4 callersMethodparse_initializer

Parse an initializer: either a braced initializer list or a single expression.

src/frontend/parser/declarations.rs:800

↓ 4 callersFunctionparse_numeric_label_ref

Check if a symbol reference is a GNU numeric label reference (e.g., "1b", "1f", "42b"). Returns Some((label_name, is_backward)) if it is, None otherwi

src/backend/riscv/assembler/elf_writer.rs:91

↓ 4 callersMethodparse_unary

(&mut self)

src/frontend/preprocessor/conditionals.rs:730

↓ 4 callersFunctionpatch_i_type

Patch an I-type instruction with a 12-bit immediate.

src/backend/riscv/linker/relocations.rs:76

↓ 4 callersFunctionpatch_s_type

Patch an S-type instruction with a 12-bit immediate.

src/backend/riscv/linker/relocations.rs:87

↓ 4 callersMethodpop_scope

Pop the top scope frame from both TypeContext and FunctionBuildState, undoing all scoped changes made in that scope. Emits cleanup function calls for

src/ir/lowering/lower.rs:364

↓ 4 callersMethodprocess_directive

Process a preprocessor directive line. Returns Some(content) if an #include was processed and should be inserted. `line_num` is the 1-based source lin

src/frontend/preprocessor/pipeline.rs:782

↓ 4 callersMethodprocess_force_includes

Process force-included files (-include flag) through the preprocessor before the main source. Matches GCC's behavior: `-include file` acts as if `#inc

src/driver/pipeline.rs:872

↓ 4 callersFunctionpromote_sub_int

(val: IrConst, is_unsigned: bool)

src/common/const_eval.rs:273

↓ 4 callersMethodpush_le_bytes

Convert to bytes in little-endian format, pushing onto a byte buffer. Writes `size` bytes for integer types, or full float representation for floats.

src/ir/constants.rs:377

↓ 4 callersMethodpush_scope

Push a new scope frame onto both TypeContext and FunctionBuildState scope stacks. Call this at the start of a compound statement or function body.

src/ir/lowering/lower.rs:355

↓ 4 callersFunctionread_c_source_file

Read a C source file, tolerating non-UTF-8 content. Valid UTF-8 files are returned as-is. Non-UTF-8 bytes are encoded as PUA code points which the lex

src/frontend/preprocessor/includes.rs:214

↓ 4 callersFunctionread_i64

(data: &[u8], offset: usize)

src/backend/elf/io.rs:39

↓ 4 callersFunctionread_uleb128

(data: &[u8], mut off: usize)

src/backend/linker_common/eh_frame.rs:366

↓ 4 callersFunctionregister_family

Get the register family (0-15) for an x86 register name.

src/backend/x86/codegen/peephole/types.rs:1029

↓ 4 callersFunctionreplace_reg_family

Replace all register-family occurrences of `old_family` with `new_family` in `line`. Handles all register sizes: 64-bit (%rax), 32-bit (%eax), 16-bit

src/backend/x86/codegen/peephole/passes/helpers.rs:34

↓ 4 callersFunctionresolve_anonymous_member

Resolve an anonymous member during struct initialization. When a designator like `.x` targets a field inside an anonymous struct/union member, this f

src/ir/lowering/global_init_helpers.rs:242

↓ 4 callersMethodresolve_defined_in_expr

Replace `defined(X)`, `defined X`, `__has_builtin(X)`, `__has_attribute(X)`, `__has_feature(X)`, `__has_extension(X)`, `__has_include(X)`, and `__has_

src/frontend/preprocessor/expr_eval.rs:101

↓ 4 callersMethodresolve_member_access

Resolve member access: returns (byte_offset, ir_type_of_field). Works for both direct (s.field) and pointer (p->field) access.

src/ir/lowering/structs.rs:618

↓ 4 callersFunctionresolve_numeric_data_values

Resolve numeric label references in data values (.long, .quad, .byte directives).

src/backend/elf/numeric_labels.rs:172

↓ 4 callersMethodresolve_pointer_member_access

Resolve pointer member access (p->field): returns (byte_offset, ir_type_of_field).

src/ir/lowering/structs.rs:623

↓ 4 callersFunctionresolve_set_expr

Resolve symbols in a .set expression string. Uses whole-word matching to avoid replacing substrings inside identifiers, register names, or instruction

src/backend/x86/assembler/parser.rs:2063

↓ 4 callersMethodresolve_type_spec_to_ctype

Convert a TypeSpecifier to a CType. This default implementation handles all shared cases (22 primitive types, Pointer, Array, FunctionPointer, Typeof

src/common/type_builder.rs:60

↓ 4 callersMethodresolve_typedef_ctype

Resolve a TypeSpecifier to its underlying CType for typedef/typeof, returning None for non-typedef/typeof specifiers. This is a lightweight lookup (no

src/ir/lowering/types.rs:37

↓ 4 callersFunctionresolve_value_to_const_in_block

Look through Copy, Phi, Cmp, and Select instructions in a block to resolve a Value to a constant. This allows constant branch/switch folding to see th

src/passes/cfg_simplify.rs:1027

↓ 4 callersFunctionrewrite_data_values

Rewrite a list of DataValues, collecting any dot labels needed.

src/backend/riscv/assembler/elf_writer.rs:378

↓ 4 callersFunctionrun_regalloc_and_merge_clobbers

Run register allocation and merge ASM-clobbered callee-saved registers. This shared helper eliminates duplicated regalloc setup boilerplate across al

src/backend/stack_layout/regalloc_helpers.rs:23

↓ 4 callersMethodscale_index

Multiply an index value by a scale factor (for pointer arithmetic).

src/ir/lowering/expr_ops.rs:184

↓ 4 callersMethodset_elf_class

Set the ELF class (ELFCLASS32 or ELFCLASS64).

src/backend/riscv/assembler/elf_writer.rs:446

↓ 4 callersMethodset_filename

Set the filename for __FILE__ and __BASE_FILE__ macros and set as the base include directory.

src/frontend/preprocessor/pipeline.rs:614

↓ 4 callersMethodset_symbol_size

Record .size for a symbol. If `current_minus_label` is Some, computes `current_offset - label_offset` in the same section. Otherwise uses the absolute

src/backend/elf/writer_base.rs:395

↓ 4 callersMethodset_target

Set the target architecture, updating predefined macros and include paths.

src/frontend/preprocessor/predefined_macros.rs:425

↓ 4 callersMethodset_transparent_union

(&mut self, v: bool)

src/frontend/parser/ast.rs:257

↓ 4 callersMethodset_visibility

Record symbol visibility (.hidden, .protected, .internal).

src/backend/elf/writer_base.rs:384

↓ 4 callersFunctionsign_extend_li

Sign-extend a value from `bits` width to i64.

src/backend/riscv/assembler/encoder/pseudo.rs:18

↓ 4 callersMethodsizeof_operand_is_pointer_like

Check if an expression is pointer-like for sizeof computation. Arrays decay to pointers in expression context, so both pointers and arrays produce poi

src/ir/lowering/expr_sizeof.rs:212

↓ 4 callersFunctionskip_literal_bytes

Skip past a string or character literal in a byte slice, starting at position `i`. Returns the position after the closing quote. Handles backslash esc

src/frontend/preprocessor/utils.rs:46

↓ 4 callersMethodstack_bytes

Returns the stack space consumed by this argument (0 if register).

src/backend/call_abi.rs:70

↓ 4 callersMethodstore_lvalue_typed

Store a value to an lvalue with a specific type.

src/ir/lowering/lvalue.rs:186

↓ 4 callersMethodstore_x0_x1_to

Store x0 (low) : x1 (high) to a 128-bit value's stack slot.

src/backend/arm/codegen/emit.rs:1132

↓ 4 callersFunctionstrip_outer_parens

Strip balanced outer parentheses from an expression. E.g. "((1b) - .)" -> "(1b) - ." -> calls recursively until no outer parens.

src/backend/riscv/assembler/parser.rs:615

↓ 4 callersFunctionstrip_sym_parens

Strip outer parentheses from a symbol name. E.g. "(1b)" -> "1b".

src/backend/x86/assembler/parser.rs:1419

↓ 4 callersMethodstruct_init_has_addr_fields

Check if a struct initializer contains fields needing address relocations.

src/ir/lowering/global_init.rs:1270

↓ 4 callersMethodswitch_to_standard_section

Switch to a named standard section (.text, .data, .bss, .rodata).

src/backend/elf/writer_base.rs:217

↓ 4 callersMethodsym_type

(&self)

src/backend/linker_common/types.rs:42

↓ 4 callersFunctionsysreg_encoding

Compute sysreg encoding from (op0, op1, CRn, CRm, op2) fields.

src/backend/arm/assembler/encoder/system.rs:184

↓ 4 callersFunctiontrace_operand_to_const

Recursively trace an operand to find a compile-time constant integer value. Handles Load/Store/Copy/Cast chains as well as BinOp and Cmp with constant

src/passes/inline.rs:769

↓ 4 callersFunctiontry_fold

(inst: &Instruction)

src/passes/constant_fold.rs:151

↓ 4 callersFunctiontry_narrow_operand

Try to narrow an operand from I64 to a target type. Returns the narrowed operand if possible, None otherwise. Checks (in order): (a) If load_type_map

src/passes/narrow.rs:475

↓ 4 callersMethodtype_suffix

Return the type suffix for an operation.

src/backend/i686/codegen/emit.rs:439

↓ 4 callersMethodtypedef_alignment_for_type_spec

Return the typedef alignment override for a type specifier, if any. For `TypeSpecifier::TypedefName("foo")`, looks up `foo` in `typedef_alignments`.

src/ir/lowering/types.rs:496

↓ 4 callersMethodwrite_complex_field_to_bytes

Write a complex field ({real, imag} pair) to a byte buffer. Evaluates the initializer as a complex constant expression and writes both components at t

src/ir/lowering/global_init_bytes.rs:1297

↓ 4 callersFunctionwrite_i32_le

(data: &mut [u8], off: usize, val: i32)

src/backend/linker_common/eh_frame.rs:361

↓ 4 callersFunctionwrite_u64_fast

(buf: &mut String, val: u64)

src/backend/common.rs:782

↓ 4 callersFunctionx87_cmp

Compare two x87 80-bit extended precision values. Returns: -1 if a < b, 0 if a == b, 1 if a > b, i32::MIN if unordered (NaN).

src/common/long_double.rs:1863

↓ 4 callersFunctionx87_div

Divide two x87 80-bit extended precision values with full precision.

src/common/long_double.rs:1184

↓ 4 callersFunctionx87_sub

Subtract two x87 80-bit extended precision values with full precision.

src/common/long_double.rs:1174

↓ 4 callersFunctionxreg_name

Return the x-register name for a given ID.

src/backend/arm/codegen/peephole.rs:113

↓ 3 callersMethodadd_include_path

Add a -I include path from command line.

src/driver/cli.rs:715

↓ 3 callersMethodalignof_expr

Compute alignof for an expression by inferring its type and returning the type's alignment. This implements GCC's __alignof__(expr) semantics. Per C1

src/ir/lowering/expr_sizeof.rs:417

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