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Tweak and explain the BuilderMethods/CodegenMethods connection.

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This commit is contained in:
Nicholas Nethercote
2024-09-17 08:27:26 +10:00
parent 108f8c8164
commit 85a4d2af90
1 changed files with 6 additions and 3 deletions
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9
compiler/rustc_codegen_ssa/src/traits/builder.rs
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@@ -17,7 +17,7 @@ use super::debuginfo::DebugInfoBuilderMethods;
use super::intrinsic::IntrinsicCallBuilderMethods; use super::intrinsic::IntrinsicCallBuilderMethods;
use super::misc::MiscMethods; use super::misc::MiscMethods;
use super::type_::{ArgAbiBuilderMethods, BaseTypeMethods, LayoutTypeMethods}; use super::type_::{ArgAbiBuilderMethods, BaseTypeMethods, LayoutTypeMethods};
use super::{BackendTypes, CodegenMethods, StaticBuilderMethods}; use super::{CodegenMethods, StaticBuilderMethods};
use crate::common::{ use crate::common::{
AtomicOrdering, AtomicRmwBinOp, IntPredicate, RealPredicate, SynchronizationScope, TypeKind, AtomicOrdering, AtomicRmwBinOp, IntPredicate, RealPredicate, SynchronizationScope, TypeKind,
}; };
@@ -45,8 +45,11 @@ pub trait BuilderMethods<'a, 'tcx>:
+ AsmBuilderMethods<'tcx> + AsmBuilderMethods<'tcx>
+ StaticBuilderMethods + StaticBuilderMethods
{ {
type CodegenCx: CodegenMethods<'tcx> // `BackendTypes` is a supertrait of both `CodegenMethods` and
+ BackendTypes< // `BuilderMethods`. This bound ensures all impls agree on the associated
// types within.
type CodegenCx: CodegenMethods<
'tcx,
Value = Self::Value, Value = Self::Value,
Function = Self::Function, Function = Self::Function,
BasicBlock = Self::BasicBlock, BasicBlock = Self::BasicBlock,