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cleanup fuzz slice

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Brendan Hansknecht 2024-07-25 23:58:56 -07:00
parent 7254122d30
commit f4cbf9278b
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1 changed files with 7 additions and 23 deletions
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30
crates/compiler/builtins/bitcode/src/fuzz_sort.zig
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@ -1,24 +1,19 @@
const std = @import("std");
const sort = @import("sort.zig");
var gpa: std.heap.GeneralPurposeAllocator(.{}) = undefined;
var allocator: std.mem.Allocator = undefined;
extern fn malloc(size: usize) callconv(.C) ?*anyopaque;
extern fn free(c_ptr: *anyopaque) callconv(.C) void;
pub fn main() !void {
gpa = .{};
allocator = gpa.allocator();
const size = 1000000;
var arr_ptr: [*]i64 = @alignCast(@ptrCast(testing_roc_alloc(size * @sizeOf(i64), @alignOf(i64))));
defer testing_roc_dealloc(arr_ptr, @alignOf(i64));
for (0..size) |i| {
arr_ptr[i] = @intCast(i + 1);
}
const seed = 42;
var rng = std.rand.DefaultPrng.init(seed);
rng.random().shuffle(i64, arr_ptr[0..size]);
for (0..size) |i| {
arr_ptr[i] = rng.random().int(i64);
}
var timer = try std.time.Timer.start();
sort.quadsort(@ptrCast(arr_ptr), size, &test_i64_compare, null, false, &test_i64_inc_n, @sizeOf(i64), @alignOf(i64), &test_i64_copy);
@ -55,22 +50,11 @@ comptime {
}
fn testing_roc_alloc(size: usize, _: u32) callconv(.C) ?*anyopaque {
// We store an extra usize which is the size of the full allocation.
const full_size = size + @sizeOf(usize);
var raw_ptr = (allocator.alloc(u8, full_size) catch unreachable).ptr;
@as([*]usize, @alignCast(@ptrCast(raw_ptr)))[0] = full_size;
raw_ptr += @sizeOf(usize);
const ptr = @as(?*anyopaque, @ptrCast(raw_ptr));
return ptr;
return malloc(size);
}
fn testing_roc_dealloc(c_ptr: *anyopaque, _: u32) callconv(.C) void {
const raw_ptr = @as([*]u8, @ptrCast(c_ptr)) - @sizeOf(usize);
const full_size = @as([*]usize, @alignCast(@ptrCast(raw_ptr)))[0];
const slice = raw_ptr[0..full_size];
allocator.free(slice);
free(c_ptr);
}
fn testing_roc_panic(c_ptr: *anyopaque, tag_id: u32) callconv(.C) void {