From a75300c8d8cfe21647db1d50f77a9a1ee8d62a0e Mon Sep 17 00:00:00 2001 From: Robin Voetter Date: Tue, 19 Sep 2023 23:32:49 +0200 Subject: spirv: air slice --- src/codegen/spirv.zig | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/codegen/spirv.zig') diff --git a/src/codegen/spirv.zig b/src/codegen/spirv.zig index aa5b56f58a..496bd0150b 100644 --- a/src/codegen/spirv.zig +++ b/src/codegen/spirv.zig @@ -1683,6 +1683,7 @@ pub const DeclGen = struct { .not => try self.airNot(inst), .array_to_slice => try self.airArrayToSlice(inst), + .slice => try self.airSlice(inst), .aggregate_init => try self.airAggregateInit(inst), .slice_ptr => try self.airSliceField(inst, 0), @@ -2462,6 +2463,22 @@ pub const DeclGen = struct { return try self.constructStruct(slice_ty_ref, &.{ elem_ptr_id, len_id }); } + fn airSlice(self: *DeclGen, inst: Air.Inst.Index) !?IdRef { + if (self.liveness.isUnused(inst)) return null; + + const ty_pl = self.air.instructions.items(.data)[inst].ty_pl; + const bin_op = self.air.extraData(Air.Bin, ty_pl.payload).data; + const ptr_id = try self.resolve(bin_op.lhs); + const len_id = try self.resolve(bin_op.rhs); + const slice_ty = self.typeOfIndex(inst); + const slice_ty_ref = try self.resolveType(slice_ty, .direct); + + return try self.constructStruct(slice_ty_ref, &.{ + ptr_id, // Note: Type should not need to be converted to direct. + len_id, // Note: Type should not need to be converted to direct. + }); + } + fn airAggregateInit(self: *DeclGen, inst: Air.Inst.Index) !?IdRef { if (self.liveness.isUnused(inst)) return null; -- cgit v1.2.3