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Change GlobalVar to GlobalValue

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This commit is contained in:
Lachlan Sneff
2018-06-14 01:07:27 -04:00
committed by Dan Gohman
parent 49cc693d64
commit 5c320a0d30
44 changed files with 324 additions and 237 deletions
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4
lib/codegen/meta/base/entities.py
View File

@@ -16,8 +16,8 @@ ebb = EntityRefKind(
#: A reference to a stack slot declared in the function preamble.
stack_slot = EntityRefKind('stack_slot', 'A stack slot.')
#: A reference to a global variable.
global_var = EntityRefKind('global_var', 'A global variable.')
#: A reference to a global valueiable.
global_value = EntityRefKind('global_value', 'A global value.')
#: A reference to a function sugnature declared in the function preamble.
#: This is used to provide the call signature in a call_indirect instruction.

4
lib/codegen/meta/base/formats.py
View File

@@ -18,7 +18,7 @@ UnaryImm = InstructionFormat(imm64)
UnaryIeee32 = InstructionFormat(ieee32)
UnaryIeee64 = InstructionFormat(ieee64)
UnaryBool = InstructionFormat(boolean)
UnaryGlobalVar = InstructionFormat(entities.global_var)
UnaryGlobalValue = InstructionFormat(entities.global_value)
Binary = InstructionFormat(VALUE, VALUE)
BinaryImm = InstructionFormat(VALUE, imm64)
@@ -79,5 +79,5 @@ CondTrap = InstructionFormat(VALUE, trapcode)
IntCondTrap = InstructionFormat(intcc, VALUE, trapcode)
FloatCondTrap = InstructionFormat(floatcc, VALUE, trapcode)
# Finally extract the names of global variables in this module.
# Finally extract the names of global valueiables in this module.
InstructionFormat.extract_names(globals())

12
lib/codegen/meta/base/instructions.py
View File

@@ -491,19 +491,19 @@ stack_addr = Instruction(
# Global variables.
#
GV = Operand('GV', entities.global_var)
GV = Operand('GV', entities.global_value)
global_addr = Instruction(
'global_addr', r"""
Compute the address of global variable GV.
global_value = Instruction(
'global_value', r"""
Compute the value of global GV.
""",
ins=GV, outs=addr)
# A specialized form of global_addr instructions that only handles
# A specialized form of global_value instructions that only handles
# symbolic names.
globalsym_addr = Instruction(
'globalsym_addr', r"""
Compute the address of global variable GV, which is a symbolic name.
Compute the address of global GV, which is a symbolic name.
""",
ins=GV, outs=addr)

2
lib/codegen/meta/base/legalize.py
View File

@@ -62,7 +62,7 @@ expand_flags = XFormGroup('expand_flags', """
# Custom expansions for memory objects.
expand.custom_legalize(insts.global_addr, 'expand_global_addr')
expand.custom_legalize(insts.global_value, 'expand_global_value')
expand.custom_legalize(insts.heap_addr, 'expand_heap_addr')
# Custom expansions for calls.

4
lib/codegen/meta/base/predicates.py
View File

@@ -2,7 +2,7 @@
Cretonne predicates that consider `Function` fields.
"""
from cdsl.predicates import FieldPredicate
from .formats import UnaryGlobalVar, InstructionFormat
from .formats import UnaryGlobalValue, InstructionFormat
try:
from typing import TYPE_CHECKING
@@ -32,7 +32,7 @@ class IsColocatedData(FieldPredicate):
def __init__(self):
# type: () -> None
super(IsColocatedData, self).__init__(
UnaryGlobalVar.global_var, 'is_colocated_data', ('func',))
UnaryGlobalValue.global_value, 'is_colocated_data', ('func',))
class LengthEquals(FieldPredicate):

2
lib/codegen/meta/base/settings.py
View File

@@ -53,7 +53,7 @@ call_conv = EnumSetting(
# Note that Cretonne doesn't currently need an is_pie flag, because PIE is just
# PIC where symbols can't be pre-empted, which can be expressed with the
# `colocated` flag on external functions and global variables.
# `colocated` flag on external functions and global valueiables.
is_pic = BoolSetting("Enable Position-Independent Code generation")
colocated_libcalls = BoolSetting(

2
lib/codegen/meta/cdsl/formats.py
View File

@@ -208,7 +208,7 @@ class InstructionFormat(object):
"""
Given a dict mapping name -> object as returned by `globals()`, find
all the InstructionFormat objects and set their name from the dict key.
This is used to name a bunch of global variables in a module.
This is used to name a bunch of global valueiables in a module.
"""
for name, obj in globs.items():
if isinstance(obj, InstructionFormat):

2
lib/codegen/meta/cdsl/registers.py
View File

@@ -365,7 +365,7 @@ class RegClass(object):
"""
Given a dict mapping name -> object as returned by `globals()`, find
all the RegClass objects and set their name from the dict key.
This is used to name a bunch of global variables in a module.
This is used to name a bunch of global valueiables in a module.
"""
for name, obj in globs.items():
if isinstance(obj, RegClass):

18
lib/codegen/meta/isa/x86/recipes.py
View File

@@ -14,7 +14,7 @@ from base.formats import IntCompare, IntCompareImm, FloatCompare
from base.formats import IntCond, FloatCond
from base.formats import IntSelect, IntCondTrap, FloatCondTrap
from base.formats import Jump, Branch, BranchInt, BranchFloat
from base.formats import Ternary, FuncAddr, UnaryGlobalVar
from base.formats import Ternary, FuncAddr, UnaryGlobalValue
from base.formats import RegMove, RegSpill, RegFill, CopySpecial
from base.formats import LoadComplex, StoreComplex
from .registers import GPR, ABCD, FPR, GPR_DEREF_SAFE, GPR_ZERO_DEREF_SAFE
@@ -703,50 +703,50 @@ got_fnaddr8 = TailRecipe(
# XX+rd id with Abs4 globalsym relocation.
gvaddr4 = TailRecipe(
'gvaddr4', UnaryGlobalVar, size=4, ins=(), outs=GPR,
'gvaddr4', UnaryGlobalValue, size=4, ins=(), outs=GPR,
emit='''
PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
sink.reloc_external(Reloc::Abs4,
&func.global_vars[global_var].symbol_name(),
&func.global_values[global_value].symbol_name(),
0);
sink.put4(0);
''')
# XX+rd iq with Abs8 globalsym relocation.
gvaddr8 = TailRecipe(
'gvaddr8', UnaryGlobalVar, size=8, ins=(), outs=GPR,
'gvaddr8', UnaryGlobalValue, size=8, ins=(), outs=GPR,
emit='''
PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
sink.reloc_external(Reloc::Abs8,
&func.global_vars[global_var].symbol_name(),
&func.global_values[global_value].symbol_name(),
0);
sink.put8(0);
''')
# XX+rd iq with PCRel4 globalsym relocation.
pcrel_gvaddr8 = TailRecipe(
'pcrel_gvaddr8', UnaryGlobalVar, size=5, ins=(), outs=GPR,
'pcrel_gvaddr8', UnaryGlobalValue, size=5, ins=(), outs=GPR,
emit='''
PUT_OP(bits, rex2(0, out_reg0), sink);
modrm_rm(5, out_reg0, sink);
// The addend adjusts for the difference between the end of the
// instruction and the beginning of the immediate field.
sink.reloc_external(Reloc::X86PCRel4,
&func.global_vars[global_var].symbol_name(),
&func.global_values[global_value].symbol_name(),
-4);
sink.put4(0);
''')
# XX+rd iq with Abs8 globalsym relocation.
got_gvaddr8 = TailRecipe(
'got_gvaddr8', UnaryGlobalVar, size=5, ins=(), outs=GPR,
'got_gvaddr8', UnaryGlobalValue, size=5, ins=(), outs=GPR,
emit='''
PUT_OP(bits, rex2(0, out_reg0), sink);
modrm_rm(5, out_reg0, sink);
// The addend adjusts for the difference between the end of the
// instruction and the beginning of the immediate field.
sink.reloc_external(Reloc::X86GOTPCRel4,
&func.global_vars[global_var].symbol_name(),
&func.global_values[global_value].symbol_name(),
-4);
sink.put4(0);
''')

22
lib/codegen/src/ir/entities.rs
View File

@@ -82,18 +82,18 @@ impl StackSlot {
}
}
/// An opaque reference to a global variable.
/// An opaque reference to a global valueiable.
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub struct GlobalVar(u32);
entity_impl!(GlobalVar, "gv");
pub struct GlobalValue(u32);
entity_impl!(GlobalValue, "gv");
impl GlobalVar {
/// Create a new global variable reference from its number.
impl GlobalValue {
/// Create a new global valueiable reference from its number.
///
/// This method is for use by the parser.
pub fn with_number(n: u32) -> Option<Self> {
if n < u32::MAX {
Some(GlobalVar(n))
Some(GlobalValue(n))
} else {
None
}
@@ -186,7 +186,7 @@ pub enum AnyEntity {
/// A stack slot.
StackSlot(StackSlot),
/// A Global variable.
GlobalVar(GlobalVar),
GlobalValue(GlobalValue),
/// A jump table.
JumpTable(JumpTable),
/// An external function.
@@ -205,7 +205,7 @@ impl fmt::Display for AnyEntity {
AnyEntity::Inst(r) => r.fmt(f),
AnyEntity::Value(r) => r.fmt(f),
AnyEntity::StackSlot(r) => r.fmt(f),
AnyEntity::GlobalVar(r) => r.fmt(f),
AnyEntity::GlobalValue(r) => r.fmt(f),
AnyEntity::JumpTable(r) => r.fmt(f),
AnyEntity::FuncRef(r) => r.fmt(f),
AnyEntity::SigRef(r) => r.fmt(f),
@@ -244,9 +244,9 @@ impl From<StackSlot> for AnyEntity {
}
}
impl From<GlobalVar> for AnyEntity {
fn from(r: GlobalVar) -> Self {
AnyEntity::GlobalVar(r)
impl From<GlobalValue> for AnyEntity {
fn from(r: GlobalValue) -> Self {
AnyEntity::GlobalValue(r)
}
}

2
lib/codegen/src/ir/extfunc.rs
View File

@@ -284,7 +284,7 @@ pub enum ArgumentPurpose {
/// A VM context pointer.
///
/// This is a pointer to a context struct containing details about the current sandbox. It is
/// used as a base pointer for `vmctx` global variables.
/// used as a base pointer for `vmctx` global valueiables.
VMContext,
/// A signature identifier.

18
lib/codegen/src/ir/function.rs
View File

@@ -7,7 +7,7 @@ use binemit::CodeOffset;
use entity::{EntityMap, PrimaryMap};
use ir;
use ir::{DataFlowGraph, ExternalName, Layout, Signature};
use ir::{Ebb, ExtFuncData, FuncRef, GlobalVar, GlobalVarData, Heap, HeapData, JumpTable,
use ir::{Ebb, ExtFuncData, FuncRef, GlobalValue, GlobalValueData, Heap, HeapData, JumpTable,
JumpTableData, SigRef, StackSlot, StackSlotData};
use ir::{EbbOffsets, InstEncodings, JumpTables, SourceLocs, StackSlots, ValueLocations};
use isa::{EncInfo, Encoding, Legalize, TargetIsa};
@@ -32,10 +32,10 @@ pub struct Function {
/// If not `None`, represents the address that the stack pointer should
/// be checked against.
pub stack_limit: Option<ir::GlobalVar>,
pub stack_limit: Option<ir::GlobalValue>,
/// Global variables referenced.
pub global_vars: PrimaryMap<ir::GlobalVar, ir::GlobalVarData>,
pub global_values: PrimaryMap<ir::GlobalValue, ir::GlobalValueData>,
/// Heaps referenced.
pub heaps: PrimaryMap<ir::Heap, ir::HeapData>,
@@ -78,7 +78,7 @@ impl Function {
signature: sig,
stack_slots: StackSlots::new(),
stack_limit: None,
global_vars: PrimaryMap::new(),
global_values: PrimaryMap::new(),
heaps: PrimaryMap::new(),
jump_tables: PrimaryMap::new(),
dfg: DataFlowGraph::new(),
@@ -94,7 +94,7 @@ impl Function {
pub fn clear(&mut self) {
self.signature.clear(CallConv::Fast);
self.stack_slots.clear();
self.global_vars.clear();
self.global_values.clear();
self.heaps.clear();
self.jump_tables.clear();
self.dfg.clear();
@@ -129,7 +129,7 @@ impl Function {
/// Sets the stack limit for the function.
///
/// Returns previous one if any.
pub fn set_stack_limit(&mut self, stack_limit: Option<GlobalVar>) -> Option<GlobalVar> {
pub fn set_stack_limit(&mut self, stack_limit: Option<GlobalValue>) -> Option<GlobalValue> {
let prev = self.stack_limit.take();
self.stack_limit = stack_limit;
prev
@@ -145,9 +145,9 @@ impl Function {
self.dfg.ext_funcs.push(data)
}
/// Declares a global variable accessible to the function.
pub fn create_global_var(&mut self, data: GlobalVarData) -> GlobalVar {
self.global_vars.push(data)
/// Declares a global valueiable accessible to the function.
pub fn create_global_value(&mut self, data: GlobalValueData) -> GlobalValue {
self.global_values.push(data)
}
/// Declares a heap accessible to the function.

70
lib/codegen/src/ir/globalvalue.rs Normal file
View File

@@ -0,0 +1,70 @@
//! Global variables.
use ir::immediates::Offset32;
use ir::{ExternalName, GlobalValue};
use std::fmt;
/// Information about a global valueiable declaration.
#[derive(Clone)]
pub enum GlobalValueData {
/// Variable is part of the VM context struct, it's address is a constant offset from the VM
/// context pointer.
VMContext {
/// Offset from the `vmctx` pointer to this global.
offset: Offset32,
},
/// Variable is part of a struct pointed to by another global valueiable.
///
/// The `base` global valueiable is assumed to contain a pointer to a struct. This global
/// variable lives at an offset into the struct. The memory must be accessible, and
/// naturally aligned to hold a pointer value.
Deref {
/// The base pointer global valueiable.
base: GlobalValue,
/// Byte offset to be added to the pointer loaded from `base`.
offset: Offset32,
},
/// Variable is at an address identified by a symbolic name. Cretonne itself
/// does not interpret this name; it's used by embedders to link with other
/// data structures.
Sym {
/// The symbolic name.
name: ExternalName,
/// Will this variable be defined nearby, such that it will always be a certain distance
/// away, after linking? If so, references to it can avoid going through a GOT. Note that
/// symbols meant to be preemptible cannot be colocated.
colocated: bool,
},
}
impl GlobalValueData {
/// Assume that `self` is an `GlobalValueData::Sym` and return its name.
pub fn symbol_name(&self) -> &ExternalName {
match *self {
GlobalValueData::Sym { ref name, .. } => name,
_ => panic!("only symbols have names"),
}
}
}
impl fmt::Display for GlobalValueData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
GlobalValueData::VMContext { offset } => write!(f, "vmctx{}", offset),
GlobalValueData::Deref { base, offset } => write!(f, "deref({}){}", base, offset),
GlobalValueData::Sym {
ref name,
colocated,
} => {
if colocated {
write!(f, "colocated ")?;
}
write!(f, "globalsym {}", name)
}
}
}
}

28
lib/codegen/src/ir/globalvar.rs
View File

@@ -1,12 +1,12 @@
//! Global variables.
use ir::immediates::Offset32;
use ir::{ExternalName, GlobalVar};
use ir::{ExternalName, GlobalValue};
use std::fmt;
/// Information about a global variable declaration.
/// Information about a global valueiable declaration.
#[derive(Clone)]
pub enum GlobalVarData {
pub enum GlobalValueData {
/// Variable is part of the VM context struct, it's address is a constant offset from the VM
/// context pointer.
VMContext {
@@ -14,14 +14,14 @@ pub enum GlobalVarData {
offset: Offset32,
},
/// Variable is part of a struct pointed to by another global variable.
/// Variable is part of a struct pointed to by another global valueiable.
///
/// The `base` global variable is assumed to contain a pointer to a struct. This global
/// The `base` global valueiable is assumed to contain a pointer to a struct. This global
/// variable lives at an offset into the struct. The memory must be accessible, and
/// naturally aligned to hold a pointer value.
Deref {
/// The base pointer global variable.
base: GlobalVar,
/// The base pointer global valueiable.
base: GlobalValue,
/// Byte offset to be added to the pointer loaded from `base`.
offset: Offset32,
@@ -41,22 +41,22 @@ pub enum GlobalVarData {
},
}
impl GlobalVarData {
/// Assume that `self` is an `GlobalVarData::Sym` and return its name.
impl GlobalValueData {
/// Assume that `self` is an `GlobalValueData::Sym` and return its name.
pub fn symbol_name(&self) -> &ExternalName {
match *self {
GlobalVarData::Sym { ref name, .. } => name,
GlobalValueData::Sym { ref name, .. } => name,
_ => panic!("only symbols have names"),
}
}
}
impl fmt::Display for GlobalVarData {
impl fmt::Display for GlobalValueData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
GlobalVarData::VMContext { offset } => write!(f, "vmctx{}", offset),
GlobalVarData::Deref { base, offset } => write!(f, "deref({}){}", base, offset),
GlobalVarData::Sym {
GlobalValueData::VMContext { offset } => write!(f, "vmctx{}", offset),
GlobalValueData::Deref { base, offset } => write!(f, "deref({}){}", base, offset),
GlobalValueData::Sym {
ref name,
colocated,
} => {

10
lib/codegen/src/ir/heap.rs
View File

@@ -1,7 +1,7 @@
//! Heaps.
use ir::immediates::Imm64;
use ir::GlobalVar;
use ir::GlobalValue;
use std::fmt;
/// Information about a heap declaration.
@@ -29,9 +29,9 @@ pub enum HeapBase {
/// This feature is not yet implemented.
ReservedReg,
/// The heap base is in a global variable. The variable must be accessible and naturally
/// The heap base is in a global valueiable. The variable must be accessible and naturally
/// aligned for a pointer.
GlobalVar(GlobalVar),
GlobalValue(GlobalValue),
}
/// Style of heap including style-specific information.
@@ -41,7 +41,7 @@ pub enum HeapStyle {
Dynamic {
/// Global variable holding the current bound of the heap in bytes. It is
/// required to be accessible and naturally aligned for a pointer-sized integer.
bound_gv: GlobalVar,
bound_gv: GlobalValue,
},
/// A static heap has a fixed base address and a number of not-yet-allocated pages before the
@@ -61,7 +61,7 @@ impl fmt::Display for HeapData {
match self.base {
HeapBase::ReservedReg => write!(f, " reserved_reg")?,
HeapBase::GlobalVar(gv) => write!(f, " {}", gv)?,
HeapBase::GlobalValue(gv) => write!(f, " {}", gv)?,
}
write!(f, ", min {}", self.min_size)?;

6
lib/codegen/src/ir/mod.rs
View File

@@ -7,7 +7,7 @@ pub mod entities;
mod extfunc;
mod extname;
pub mod function;
mod globalvar;
mod globalvalue;
mod heap;
pub mod immediates;
pub mod instructions;
@@ -24,11 +24,11 @@ mod valueloc;
pub use ir::builder::{InsertBuilder, InstBuilder, InstBuilderBase, InstInserterBase};
pub use ir::dfg::{DataFlowGraph, ValueDef};
pub use ir::entities::{Ebb, FuncRef, GlobalVar, Heap, Inst, JumpTable, SigRef, StackSlot, Value};
pub use ir::entities::{Ebb, FuncRef, GlobalValue, Heap, Inst, JumpTable, SigRef, StackSlot, Value};
pub use ir::extfunc::{AbiParam, ArgumentExtension, ArgumentPurpose, ExtFuncData, Signature};
pub use ir::extname::ExternalName;
pub use ir::function::Function;
pub use ir::globalvar::GlobalVarData;
pub use ir::globalvalue::GlobalValueData;
pub use ir::heap::{HeapBase, HeapData, HeapStyle};
pub use ir::instructions::{InstructionData, Opcode, ValueList, ValueListPool, VariableArgs};
pub use ir::jumptable::JumpTableData;

45
lib/codegen/src/legalizer/globalvar.rs → lib/codegen/src/legalizer/globalvalue.rs
View File

@@ -1,15 +1,15 @@
//! Legalization of global variables.
//! Legalization of global valueiables.
//!
//! This module exports the `expand_global_addr` function which transforms a `global_addr`
//! instruction into code that depends on the kind of global variable referenced.
//! This module exports the `expand_global_value` function which transforms a `global_value`
//! instruction into code that depends on the kind of global valueiable referenced.
use cursor::{Cursor, FuncCursor};
use flowgraph::ControlFlowGraph;
use ir::{self, InstBuilder};
use isa::TargetIsa;
/// Expand a `global_addr` instruction according to the definition of the global variable.
pub fn expand_global_addr(
/// Expand a `global_value` instruction according to the definition of the global valueiable.
pub fn expand_global_value(
inst: ir::Inst,
func: &mut ir::Function,
_cfg: &mut ControlFlowGraph,
@@ -17,40 +17,43 @@ pub fn expand_global_addr(
) {
// Unpack the instruction.
let gv = match func.dfg[inst] {
ir::InstructionData::UnaryGlobalVar { opcode, global_var } => {
debug_assert_eq!(opcode, ir::Opcode::GlobalAddr);
global_var
ir::InstructionData::UnaryGlobalValue {
opcode,
global_value,
} => {
debug_assert_eq!(opcode, ir::Opcode::GlobalValue);
global_value
}
_ => panic!("Wanted global_addr: {}", func.dfg.display_inst(inst, None)),
_ => panic!("Wanted global_value: {}", func.dfg.display_inst(inst, None)),
};
match func.global_vars[gv] {
ir::GlobalVarData::VMContext { offset } => vmctx_addr(inst, func, offset.into()),
ir::GlobalVarData::Deref { base, offset } => deref_addr(inst, func, base, offset.into()),
ir::GlobalVarData::Sym { .. } => globalsym(inst, func, gv),
match func.global_values[gv] {
ir::GlobalValueData::VMContext { offset } => vmctx_addr(inst, func, offset.into()),
ir::GlobalValueData::Deref { base, offset } => deref_addr(inst, func, base, offset.into()),
ir::GlobalValueData::Sym { .. } => globalsym(inst, func, gv),
}
}
/// Expand a `global_addr` instruction for a vmctx global.
/// Expand a `global_value` instruction for a vmctx global.
fn vmctx_addr(inst: ir::Inst, func: &mut ir::Function, offset: i64) {
// Get the value representing the `vmctx` argument.
let vmctx = func.special_param(ir::ArgumentPurpose::VMContext)
.expect("Missing vmctx parameter");
// Simply replace the `global_addr` instruction with an `iadd_imm`, reusing the result value.
// Simply replace the `global_value` instruction with an `iadd_imm`, reusing the result value.
func.dfg.replace(inst).iadd_imm(vmctx, offset);
}
/// Expand a `global_addr` instruction for a deref global.
fn deref_addr(inst: ir::Inst, func: &mut ir::Function, base: ir::GlobalVar, offset: i64) {
// We need to load a pointer from the `base` global variable, so insert a new `global_addr`
/// Expand a `global_value` instruction for a deref global.
fn deref_addr(inst: ir::Inst, func: &mut ir::Function, base: ir::GlobalValue, offset: i64) {
// We need to load a pointer from the `base` global valueiable, so insert a new `global_value`
// instruction. This depends on the iterative legalization loop. Note that the IR verifier
// detects any cycles in the `deref` globals.
let ptr_ty = func.dfg.value_type(func.dfg.first_result(inst));
let mut pos = FuncCursor::new(func).at_inst(inst);
pos.use_srcloc(inst);
let base_addr = pos.ins().global_addr(ptr_ty, base);
let base_addr = pos.ins().global_value(ptr_ty, base);
let mut mflags = ir::MemFlags::new();
// Deref globals are required to be accessible and aligned.
mflags.set_notrap();
@@ -59,8 +62,8 @@ fn deref_addr(inst: ir::Inst, func: &mut ir::Function, base: ir::GlobalVar, offs
pos.func.dfg.replace(inst).iadd_imm(base_ptr, offset);
}
/// Expand a `global_addr` instruction for a symbolic name global.
fn globalsym(inst: ir::Inst, func: &mut ir::Function, gv: ir::GlobalVar) {
/// Expand a `global_value` instruction for a symbolic name global.
fn globalsym(inst: ir::Inst, func: &mut ir::Function, gv: ir::GlobalValue) {
let ptr_ty = func.dfg.value_type(func.dfg.first_result(inst));
func.dfg.replace(inst).globalsym_addr(ptr_ty, gv);
}

8
lib/codegen/src/legalizer/heap.rs
View File

@@ -46,7 +46,7 @@ fn dynamic_addr(
heap: ir::Heap,
offset: ir::Value,
size: u32,
bound_gv: ir::GlobalVar,
bound_gv: ir::GlobalValue,
func: &mut ir::Function,
) {
let size = i64::from(size);
@@ -57,7 +57,7 @@ fn dynamic_addr(
pos.use_srcloc(inst);
// Start with the bounds check. Trap if `offset + size > bound`.
let bound_addr = pos.ins().global_addr(addr_ty, bound_gv);
let bound_addr = pos.ins().global_value(addr_ty, bound_gv);
let mut mflags = MemFlags::new();
// The bound variable is requied to be accessible and aligned.
mflags.set_notrap();
@@ -162,8 +162,8 @@ fn offset_addr(
// Add the heap base address base
match pos.func.heaps[heap].base {
ir::HeapBase::ReservedReg => unimplemented!(),
ir::HeapBase::GlobalVar(base_gv) => {
let base_addr = pos.ins().global_addr(addr_ty, base_gv);
ir::HeapBase::GlobalValue(base_gv) => {
let base_addr = pos.ins().global_value(addr_ty, base_gv);
let mut mflags = MemFlags::new();
// The base address variable is requied to be accessible and aligned.
mflags.set_notrap();

4
lib/codegen/src/legalizer/mod.rs
View File

@@ -22,13 +22,13 @@ use timing;
mod boundary;
mod call;
mod globalvar;
mod globalvalue;
mod heap;
mod libcall;
mod split;
use self::call::expand_call;
use self::globalvar::expand_global_addr;
use self::globalvalue::expand_global_value;
use self::heap::expand_heap_addr;
use self::libcall::expand_as_libcall;

6
lib/codegen/src/predicates.rs
View File

@@ -53,9 +53,9 @@ pub fn is_colocated_func(func_ref: ir::FuncRef, func: &ir::Function) -> bool {
}
#[allow(dead_code)]
pub fn is_colocated_data(global_var: ir::GlobalVar, func: &ir::Function) -> bool {
match func.global_vars[global_var] {
ir::GlobalVarData::Sym { colocated, .. } => colocated,
pub fn is_colocated_data(global_value: ir::GlobalValue, func: &ir::Function) -> bool {
match func.global_values[global_value] {
ir::GlobalValueData::Sym { colocated, .. } => colocated,
_ => panic!("is_colocated_data only makes sense for data with symbolic addresses"),
}
}

4
lib/codegen/src/regalloc/solver.rs
View File

@@ -777,7 +777,7 @@ impl Solver {
if is_global {
let mut new_var = Variable::new_live(value, rc, reg, true);
new_var.is_global = true;
dbg!("add_tied_input: new tied-global var: {}", new_var);
dbg!("add_tied_input: new tied-global value: {}", new_var);
self.vars.push(new_var);
self.regs_in.free(rc, reg);
} else {
@@ -920,7 +920,7 @@ impl Solver {
Some(reg) => reg,
None => {
// If `v` must avoid global interference, there is not point in requesting
// live registers be diverted. We need to make it a non-global variable.
// live registers be diverted. We need to make it a non-global valueiable.
if v.is_global && gregs.iter(rc).next().is_none() {
return Err(SolverError::Global(v.value));
} else {

22
lib/codegen/src/verifier/mod.rs
View File

@@ -63,7 +63,7 @@ use flowgraph::ControlFlowGraph;
use ir;
use ir::entities::AnyEntity;
use ir::instructions::{BranchInfo, CallInfo, InstructionFormat, ResolvedConstraint};
use ir::{types, ArgumentLoc, Ebb, FuncRef, Function, GlobalVar, Inst, JumpTable, Opcode, SigRef,
use ir::{types, ArgumentLoc, Ebb, FuncRef, Function, GlobalValue, Inst, JumpTable, Opcode, SigRef,
StackSlot, StackSlotKind, Type, Value, ValueDef, ValueList, ValueLoc};
use isa::TargetIsa;
use iterators::IteratorExtras;
@@ -168,16 +168,16 @@ impl<'a> Verifier<'a> {
}
}
// Check for cycles in the global variable declarations.
fn verify_global_vars(&self) -> VerifierResult<()> {
// Check for cycles in the global valueiable declarations.
fn verify_global_values(&self) -> VerifierResult<()> {
let mut seen = SparseSet::new();
for gv in self.func.global_vars.keys() {
for gv in self.func.global_values.keys() {
seen.clear();
seen.insert(gv);
let mut cur = gv;
while let ir::GlobalVarData::Deref { base, .. } = self.func.global_vars[cur] {
while let ir::GlobalValueData::Deref { base, .. } = self.func.global_values[cur] {
if seen.insert(base).is_some() {
return err!(gv, "deref cycle: {}", DisplayList(seen.as_slice()));
}
@@ -327,8 +327,8 @@ impl<'a> Verifier<'a> {
StackLoad { stack_slot, .. } | StackStore { stack_slot, .. } => {
self.verify_stack_slot(inst, stack_slot)?;
}
UnaryGlobalVar { global_var, .. } => {
self.verify_global_var(inst, global_var)?;
UnaryGlobalValue { global_value, .. } => {
self.verify_global_value(inst, global_value)?;
}
HeapAddr { heap, .. } => {
self.verify_heap(inst, heap)?;
@@ -413,9 +413,9 @@ impl<'a> Verifier<'a> {
}
}
fn verify_global_var(&self, inst: Inst, gv: GlobalVar) -> VerifierResult<()> {
if !self.func.global_vars.is_valid(gv) {
err!(inst, "invalid global variable {}", gv)
fn verify_global_value(&self, inst: Inst, gv: GlobalValue) -> VerifierResult<()> {
if !self.func.global_values.is_valid(gv) {
err!(inst, "invalid global valueiable {}", gv)
} else {
Ok(())
}
@@ -1124,7 +1124,7 @@ impl<'a> Verifier<'a> {
}
pub fn run(&self) -> VerifierResult<()> {
self.verify_global_vars()?;
self.verify_global_values()?;
self.typecheck_entry_block_params()?;
for ebb in self.func.layout.ebbs() {
for inst in self.func.layout.ebb_insts(ebb) {

4
lib/codegen/src/write.rs
View File

@@ -49,7 +49,7 @@ fn write_preamble(
writeln!(w, " {} = {}", ss, slot)?;
}
for (gv, gv_data) in &func.global_vars {
for (gv, gv_data) in &func.global_values {
any = true;
writeln!(w, " {} = {}", gv, gv_data)?;
}
@@ -285,7 +285,7 @@ pub fn write_operands(
UnaryIeee32 { imm, .. } => write!(w, " {}", imm),
UnaryIeee64 { imm, .. } => write!(w, " {}", imm),
UnaryBool { imm, .. } => write!(w, " {}", imm),
UnaryGlobalVar { global_var, .. } => write!(w, " {}", global_var),
UnaryGlobalValue { global_value, .. } => write!(w, " {}", global_value),
Binary { args, .. } => write!(w, " {}, {}", args[0], args[1]),
BinaryImm { arg, imm, .. } => write!(w, " {}, {}", arg, imm),
Ternary { args, .. } => write!(w, " {}, {}, {}", args[0], args[1], args[2]),