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spirv: start lowering non-function decls

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Start to lower decls which are not functions. These generate
an OpVariable instruction by which they can be used later on.
This commit is contained in:
Robin Voetter
2022-12-01 23:26:02 +01:00
parent f1229e0f00
commit 34b98ee372
2 changed files with 57 additions and 46 deletions
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8
src/codegen/spirv/Module.zig
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@@ -353,7 +353,8 @@ pub fn emitType(self: *Module, ty: Type) error{OutOfMemory}!IdResultType {
const size_type = Type.initTag(.u32);
const size_type_id = try self.resolveTypeId(size_type);
const length_id = try self.emitConstant(size_type_id, .{ .uint32 = info.length });
const length_id = self.allocId();
try self.emitConstant(size_type_id, length_id, .{ .uint32 = info.length });
try types.emit(self.gpa, .OpTypeArray, .{
.id_result = result_id,
@@ -558,15 +559,14 @@ fn decorateStruct(self: *Module, target: IdRef, info: *const Type.Payload.Struct
pub fn emitConstant(
self: *Module,
ty_id: spec.IdRef,
result_id: IdRef,
value: spec.LiteralContextDependentNumber,
) !IdRef {
const result_id = self.allocId();
) !void {
try self.sections.types_globals_constants.emit(self.gpa, .OpConstant, .{
.id_result_type = ty_id,
.id_result = result_id,
.value = value,
});
return result_id;
}
/// Decorate a result-id.