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Sema: fix reify Fn alignment and args

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This commit is contained in:
Veikka Tuominen
2022-08-01 17:45:47 +03:00
parent 4831c1c65f
commit 292906fb23
2 changed files with 56 additions and 19 deletions
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18
src/Sema.zig
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@@ -16429,10 +16429,24 @@ fn zirReify(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Air.I
return sema.fail(block, src, "varargs functions must have C calling convention", .{});
}
const alignment = @intCast(u29, alignment_val.toUnsignedInt(target)); // TODO: Validate this value.
const alignment = alignment: {
if (!try sema.intFitsInType(block, src, alignment_val, Type.u32, null)) {
return sema.fail(block, src, "alignment must fit in 'u32'", .{});
}
const alignment = @intCast(u29, alignment_val.toUnsignedInt(target));
if (alignment == target_util.defaultFunctionAlignment(target)) {
break :alignment 0;
} else {
break :alignment alignment;
}
};
var buf: Value.ToTypeBuffer = undefined;
const args: []Value = if (args_val.castTag(.aggregate)) |some| some.data else &.{};
const args_slice_val = args_val.castTag(.slice).?.data;
const args_decl_index = args_slice_val.ptr.pointerDecl().?;
try sema.ensureDeclAnalyzed(args_decl_index);
const args_decl = mod.declPtr(args_decl_index);
const args: []Value = if (args_decl.val.castTag(.aggregate)) |some| some.data else &.{};
var param_types = try sema.arena.alloc(Type, args.len);
var comptime_params = try sema.arena.alloc(bool, args.len);
var noalias_bits: u32 = 0;