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cbe: remove unused arena

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This commit is contained in:
Jacob Young 2023-04-24 22:59:23 -04:00
parent f780a6b024
commit e485d00621
2 changed files with 4 additions and 8 deletions
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11
src/codegen/c.zig
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@ -279,8 +279,6 @@ pub const Function = struct {
/// by type alignment.
/// The value is whether the alloc needs to be emitted in the header.
allocs: std.AutoArrayHashMapUnmanaged(LocalIndex, bool) = .{},
/// Needed for memory used by the keys of free_locals_map entries.
arena: std.heap.ArenaAllocator,
fn resolveInst(f: *Function, ref: Air.Inst.Ref) !CValue {
if (Air.refToIndex(ref)) |inst| {
@ -481,7 +479,6 @@ pub const Function = struct {
f.object.code.deinit();
f.object.dg.ctypes.deinit(gpa);
f.object.dg.fwd_decl.deinit();
f.arena.deinit();
}
};
@ -3396,7 +3393,7 @@ fn airRet(f: *Function, inst: Air.Inst.Index, is_ptr: bool) !CValue {
var deref = is_ptr;
const is_array = lowersToArray(ret_ty, target);
const ret_val = if (is_array) ret_val: {
const array_local = try f.allocLocal(inst, try lowered_ret_ty.copy(f.arena.allocator()));
const array_local = try f.allocLocal(inst, lowered_ret_ty);
try writer.writeAll("memcpy(");
try f.writeCValueMember(writer, array_local, .{ .identifier = "array" });
try writer.writeAll(", ");
@ -4113,7 +4110,7 @@ fn airCall(
var lowered_arg_buf: LowerFnRetTyBuffer = undefined;
const lowered_arg_ty = lowerFnRetTy(arg_ty, &lowered_arg_buf, target);
const array_local = try f.allocLocal(inst, try lowered_arg_ty.copy(f.arena.allocator()));
const array_local = try f.allocLocal(inst, lowered_arg_ty);
try writer.writeAll("memcpy(");
try f.writeCValueMember(writer, array_local, .{ .identifier = "array" });
try writer.writeAll(", ");
@ -4156,7 +4153,7 @@ fn airCall(
try writer.writeByte(')');
break :result .none;
} else {
const local = try f.allocLocal(inst, try lowered_ret_ty.copy(f.arena.allocator()));
const local = try f.allocLocal(inst, lowered_ret_ty);
try f.writeCValue(writer, local, .Other);
try writer.writeAll(" = ");
break :result local;
@ -5363,7 +5360,7 @@ fn airStructFieldVal(f: *Function, inst: Air.Inst.Index) !CValue {
};
const field_int_ty = Type.initPayload(&field_int_pl.base);
const temp_local = try f.allocLocal(inst, try field_int_ty.copy(f.arena.allocator()));
const temp_local = try f.allocLocal(inst, field_int_ty);
try f.writeCValue(writer, temp_local, .Other);
try writer.writeAll(" = zig_wrap_");
try f.object.dg.renderTypeForBuiltinFnName(writer, field_int_ty);

1
src/link/C.zig
View File

@ -126,7 +126,6 @@ pub fn updateFunc(self: *C, module: *Module, func: *Module.Fn, air: Air, livenes
.indent_writer = undefined, // set later so we can get a pointer to object.code
},
.lazy_fns = lazy_fns.*,
.arena = std.heap.ArenaAllocator.init(gpa),
};
function.object.indent_writer = .{ .underlying_writer = function.object.code.writer() };