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CBE: cleanup field access

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* Implement @fieldParentPtr on a union
 * Refactor field access to ensure that it is handled consistently
 * Remove `renderTypecast` as it is now behaves the same as `renderType`
This commit is contained in:
Jacob Young
2023-02-22 23:31:41 -05:00
parent c9e02d3e69
commit bdb1e014a0
3 changed files with 315 additions and 300 deletions
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611
src/codegen/c.zig
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File diff suppressed because it is too large Load Diff

3
test/behavior/field_parent_ptr.zig
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@@ -48,7 +48,6 @@ fn testParentFieldPtrFirst(a: *const bool) !void {
test "@fieldParentPtr untagged union" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
try testFieldParentPtrUnion(&bar.c);
@@ -75,7 +74,6 @@ fn testFieldParentPtrUnion(c: *const i32) !void {
test "@fieldParentPtr tagged union" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
try testFieldParentPtrTaggedUnion(&bar_tagged.c);
@@ -102,7 +100,6 @@ fn testFieldParentPtrTaggedUnion(c: *const i32) !void {
test "@fieldParentPtr extern union" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
try testFieldParentPtrExternUnion(&bar_extern.c);

1
test/behavior/packed-struct.zig
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@@ -603,7 +603,6 @@ test "packed struct initialized in bitcast" {
test "pointer to container level packed struct field" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;