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spirv: use CacheString for source_file_names instead of []const u8

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Robin Voetter
2023-10-07 15:23:39 +02:00
parent a3d77bdba9
commit 31ad2d72a7
2 changed files with 8 additions and 11 deletions
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11
src/codegen/spirv/Module.zig
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@@ -11,9 +11,6 @@ const std = @import("std");
const Allocator = std.mem.Allocator;
const assert = std.debug.assert;
const ZigModule = @import("../../Module.zig");
const ZigDecl = ZigModule.Decl;
const spec = @import("spec.zig");
const Word = spec.Word;
const IdRef = spec.IdRef;
@@ -147,7 +144,7 @@ next_result_id: Word,
/// Cache for results of OpString instructions for module file names fed to OpSource.
/// Since OpString is pretty much only used for those, we don't need to keep track of all strings,
/// just the ones for OpLine. Note that OpLine needs the result of OpString, and not that of OpSource.
source_file_names: std.StringHashMapUnmanaged(IdRef) = .{},
source_file_names: std.AutoArrayHashMapUnmanaged(CacheString, IdRef) = .{},
/// SPIR-V type- and constant cache. This structure is used to store information about these in a more
/// efficient manner.
@@ -460,9 +457,9 @@ pub fn addFunction(self: *Module, decl_index: Decl.Index, func: Fn) !void {
/// Fetch the result-id of an OpString instruction that encodes the path of the source
/// file of the decl. This function may also emit an OpSource with source-level information regarding
/// the decl.
pub fn resolveSourceFileName(self: *Module, zig_module: *ZigModule, zig_decl: *ZigDecl) !IdRef {
const path = zig_decl.getFileScope(zig_module).sub_file_path;
const result = try self.source_file_names.getOrPut(self.gpa, path);
pub fn resolveSourceFileName(self: *Module, path: []const u8) !IdRef {
const path_ref = try self.resolveString(path);
const result = try self.source_file_names.getOrPut(self.gpa, path_ref);
if (!result.found_existing) {
const file_result_id = self.allocId();
result.value_ptr.* = file_result_id;