Commit e788dfa142
Changed files (1)
src
codegen
src/codegen/spirv.zig
@@ -461,8 +461,9 @@ pub const DeclGen = struct {
.repeated => {
const elem_val = val.castTag(.repeated).?.data;
const elem_ty = ty.elemType();
- const len = @intCast(u32, ty.arrayLenIncludingSentinel()); // TODO: limit spir-v to 32 bit arrays in a more elegant way.
- const constituents = try self.spv.gpa.alloc(IdRef, len);
+ const len = @intCast(u32, ty.arrayLen());
+ const total_len = @intCast(u32, ty.arrayLenIncludingSentinel()); // TODO: limit spir-v to 32 bit arrays in a more elegant way.
+ const constituents = try self.spv.gpa.alloc(IdRef, total_len);
defer self.spv.gpa.free(constituents);
const elem_val_id = self.spv.allocId();
@@ -480,6 +481,31 @@ pub const DeclGen = struct {
.constituents = constituents,
});
},
+ .str_lit => {
+ // TODO: This is very efficient code generation, should probably implement constant caching for this.
+ const str_lit = val.castTag(.str_lit).?.data;
+ const bytes = self.module.string_literal_bytes.items[str_lit.index..][0..str_lit.len];
+ const elem_ty = ty.elemType();
+ const elem_ty_id = try self.resolveTypeId(elem_ty);
+ const len = @intCast(u32, ty.arrayLen());
+ const total_len = @intCast(u32, ty.arrayLenIncludingSentinel());
+ const constituents = try self.spv.gpa.alloc(IdRef, total_len);
+ defer self.spv.gpa.free(constituents);
+ for (bytes) |byte, i| {
+ constituents[i] = self.spv.allocId();
+ try self.spv.emitConstant(elem_ty_id, constituents[i], .{ .uint32 = byte });
+ }
+ if (ty.sentinel()) |sentinel| {
+ constituents[len] = self.spv.allocId();
+ const byte = @intCast(u8, sentinel.toUnsignedInt(target));
+ try self.spv.emitConstant(elem_ty_id, constituents[len], .{ .uint32 = byte });
+ }
+ try section.emit(self.spv.gpa, .OpConstantComposite, .{
+ .id_result_type = result_ty_id,
+ .id_result = result_id,
+ .constituents = constituents,
+ });
+ },
else => return self.todo("array constant with tag {s}", .{@tagName(val.tag())}),
},
.Vector => switch (val.tag()) {