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InternPool: add a slice encoding

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This uses the data field to reference its pointer field type, which
allows for efficient and infallible access of a slice type's pointer
type.
This commit is contained in:
Andrew Kelley
2023-05-05 19:13:43 -07:00
parent 08e9763951
commit 31aee50c1a
15 changed files with 119 additions and 64 deletions
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6
src/codegen.zig
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@@ -361,7 +361,7 @@ pub fn generateSymbol(
// generate ptr
var buf: Type.SlicePtrFieldTypeBuffer = undefined;
const slice_ptr_field_type = typed_value.ty.slicePtrFieldType(&buf);
const slice_ptr_field_type = typed_value.ty.slicePtrFieldType(&buf, mod);
switch (try generateSymbol(bin_file, src_loc, .{
.ty = slice_ptr_field_type,
.val = slice.ptr,
@@ -851,7 +851,7 @@ fn lowerParentPtr(
var buf: Type.SlicePtrFieldTypeBuffer = undefined;
break :offset switch (field_ptr.field_index) {
0 => 0,
1 => field_ptr.container_ty.slicePtrFieldType(&buf).abiSize(mod),
1 => field_ptr.container_ty.slicePtrFieldType(&buf, mod).abiSize(mod),
else => unreachable,
};
},
@@ -951,7 +951,7 @@ fn lowerDeclRef(
if (typed_value.ty.isSlice(mod)) {
// generate ptr
var buf: Type.SlicePtrFieldTypeBuffer = undefined;
const slice_ptr_field_type = typed_value.ty.slicePtrFieldType(&buf);
const slice_ptr_field_type = typed_value.ty.slicePtrFieldType(&buf, mod);
switch (try generateSymbol(bin_file, src_loc, .{
.ty = slice_ptr_field_type,
.val = typed_value.val,