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spirv: self-referential pointers via new fwd_ptr_type

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Its a little ugly but it works.
This commit is contained in:
Robin Voetter
2023-10-21 17:26:59 +02:00
parent 6e955af8c8
commit 6281ad91df
20 changed files with 226 additions and 174 deletions
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5
test/behavior/struct.zig
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@@ -292,7 +292,6 @@ const Val = struct {
test "struct point to self" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
var root: Node = undefined;
root.val.x = 1;
@@ -347,7 +346,6 @@ test "self-referencing struct via array member" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
const T = struct {
children: [1]*@This(),
@@ -370,7 +368,6 @@ const EmptyStruct = struct {
test "align 1 field before self referential align 8 field as slice return type" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
const result = alloc(Expr);
try expect(result.len == 0);
@@ -1422,7 +1419,6 @@ test "fieldParentPtr of a zero-bit field" {
test "struct field has a pointer to an aligned version of itself" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
const E = struct {
next: *align(1) @This(),
@@ -1518,7 +1514,6 @@ test "function pointer in struct returns the struct" {
test "no dependency loop on optional field wrapped in generic function" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
const S = struct {
fn Atomic(comptime T: type) type {