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https://github.com/ziglang/zig.git
synced 2025-12-26 16:13:07 +00:00
0bc9635490
Adds 2 new AIR instructions: * dbg_var_ptr * dbg_var_val Sema no longer emits dbg_stmt AIR instructions when strip=true. LLVM backend: fixed lowerPtrToVoid when calling ptrAlignment on the element type is problematic. LLVM backend: fixed alloca instructions improperly getting debug location annotated, causing chaotic debug info behavior. zig_llvm.cpp: fixed incorrect bindings for a function that should use unsigned integers for line and column. A bunch of C test cases regressed because the new dbg_var AIR instructions caused their operands to be alive, exposing latent bugs. Mostly it's just a problem that the C backend lowers mutable and const slices to the same C type, so we need to represent that in the C backend instead of printing two duplicate typedefs.
39 lines
1.2 KiB
Zig
39 lines
1.2 KiB
Zig
const std = @import("std");
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const testing = std.testing;
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const builtin = @import("builtin");
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pub const Mesh = struct {
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id: u32,
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};
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pub const Material = struct {
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transparent: bool = true,
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emits_shadows: bool = true,
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render_color: bool = true,
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};
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pub const Renderable = struct {
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material: Material,
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// The compiler inserts some padding here to ensure Mesh is correctly aligned.
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mesh: Mesh,
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};
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var renderable: Renderable = undefined;
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test "assignment of field with padding" {
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if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
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renderable = Renderable{
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.mesh = Mesh{ .id = 0 },
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.material = Material{
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.transparent = false,
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.emits_shadows = false,
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},
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};
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try testing.expect(false == renderable.material.transparent);
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try testing.expect(false == renderable.material.emits_shadows);
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try testing.expect(true == renderable.material.render_color);
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}
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