1150 lines
35 KiB
Zig
1150 lines
35 KiB
Zig
const std = @import("std");
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const TestContext = @import("../../src/test.zig").TestContext;
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// Self-hosted has differing levels of support for various architectures. For now we pass explicit
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// target parameters to each test case. At some point we will take this to the next level and have
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// a set of targets that all test cases run on unless specifically overridden. For now, each test
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// case applies to only the specified target.
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const linux_x64 = std.zig.CrossTarget{
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.cpu_arch = .x86_64,
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.os_tag = .linux,
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};
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const macosx_x64 = std.zig.CrossTarget{
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.cpu_arch = .x86_64,
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.os_tag = .macos,
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};
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const linux_riscv64 = std.zig.CrossTarget{
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.cpu_arch = .riscv64,
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.os_tag = .linux,
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};
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const wasi = std.zig.CrossTarget{
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.cpu_arch = .wasm32,
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.os_tag = .wasi,
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};
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pub fn addCases(ctx: *TestContext) !void {
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try @import("zir.zig").addCases(ctx);
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try @import("cbe.zig").addCases(ctx);
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try @import("spu-ii.zig").addCases(ctx);
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try @import("arm.zig").addCases(ctx);
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try @import("aarch64.zig").addCases(ctx);
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{
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var case = ctx.exe("hello world with updates", linux_x64);
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case.addError("", &[_][]const u8{"no entry point found"});
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// Incorrect return type
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case.addError(
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\\export fn _start() noreturn {
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\\}
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, &[_][]const u8{":2:1: error: expected noreturn, found void"});
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// Regular old hello world
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (1),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("Hello, World!\n")),
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\\ [arg3] "{rdx}" (14)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ return;
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\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (231),
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\\ [arg1] "{rdi}" (0)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ unreachable;
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\\}
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,
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"Hello, World!\n",
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);
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// Now change the message only
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (1),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n")),
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\\ [arg3] "{rdx}" (104)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ return;
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\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (231),
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\\ [arg1] "{rdi}" (0)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ unreachable;
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\\}
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,
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"What is up? This is a longer message that will force the data to be relocated in virtual address space.\n",
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);
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// Now we print it twice.
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (1),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n")),
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\\ [arg3] "{rdx}" (104)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ return;
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\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (231),
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\\ [arg1] "{rdi}" (0)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ unreachable;
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\\}
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,
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\\What is up? This is a longer message that will force the data to be relocated in virtual address space.
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\\What is up? This is a longer message that will force the data to be relocated in virtual address space.
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\\
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);
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}
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{
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var case = ctx.exe("hello world with updates", macosx_x64);
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case.addError("", &[_][]const u8{"no entry point found"});
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// Incorrect return type
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case.addError(
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\\export fn _start() noreturn {
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\\}
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, &[_][]const u8{":2:1: error: expected noreturn, found void"});
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// Regular old hello world
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (0x2000004),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("Hello, World!\n")),
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\\ [arg3] "{rdx}" (14)
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\\ : "memory"
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\\ );
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\\ return;
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\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (0x2000001),
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\\ [arg1] "{rdi}" (0)
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\\ : "memory"
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\\ );
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\\ unreachable;
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\\}
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,
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"Hello, World!\n",
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);
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// Now change the message only
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (0x2000004),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n")),
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\\ [arg3] "{rdx}" (104)
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\\ : "memory"
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\\ );
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\\ return;
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\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (0x2000001),
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\\ [arg1] "{rdi}" (0)
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\\ : "memory"
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\\ );
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\\ unreachable;
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\\}
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,
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"What is up? This is a longer message that will force the data to be relocated in virtual address space.\n",
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);
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// Now we print it twice.
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (0x2000004),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n")),
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\\ [arg3] "{rdx}" (104)
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\\ : "memory"
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\\ );
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\\ return;
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\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (0x2000001),
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\\ [arg1] "{rdi}" (0)
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\\ : "memory"
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\\ );
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\\ unreachable;
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\\}
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,
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\\What is up? This is a longer message that will force the data to be relocated in virtual address space.
|
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\\What is up? This is a longer message that will force the data to be relocated in virtual address space.
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\\
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);
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}
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|
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{
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var case = ctx.exe("hello world", linux_riscv64);
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// Regular old hello world
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case.addCompareOutput(
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\\export fn _start() noreturn {
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\\ print();
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\\
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\\ exit();
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\\}
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\\
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\\fn print() void {
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\\ asm volatile ("ecall"
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\\ :
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\\ : [number] "{a7}" (64),
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\\ [arg1] "{a0}" (1),
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\\ [arg2] "{a1}" (@ptrToInt("Hello, World!\n")),
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\\ [arg3] "{a2}" ("Hello, World!\n".len)
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\\ : "rcx", "r11", "memory"
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\\ );
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\\ return;
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|
\\}
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\\
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\\fn exit() noreturn {
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\\ asm volatile ("ecall"
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\\ :
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\\ : [number] "{a7}" (94),
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\\ [arg1] "{a0}" (0)
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|
\\ : "rcx", "r11", "memory"
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\\ );
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|
\\ unreachable;
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|
\\}
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,
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|
"Hello, World!\n",
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|
);
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|
}
|
|
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|
{
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|
var case = ctx.exe("adding numbers at comptime", linux_x64);
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|
case.addCompareOutput(
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\\export fn _start() noreturn {
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|
\\ asm volatile ("syscall"
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|
\\ :
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|
\\ : [number] "{rax}" (1),
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\\ [arg1] "{rdi}" (1),
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\\ [arg2] "{rsi}" (@ptrToInt("Hello, World!\n")),
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\\ [arg3] "{rdx}" (10 + 4)
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|
\\ : "rcx", "r11", "memory"
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\\ );
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|
\\ asm volatile ("syscall"
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\\ :
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|
\\ : [number] "{rax}" (@as(usize, 230) + @as(usize, 1)),
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|
\\ [arg1] "{rdi}" (0)
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|
\\ : "rcx", "r11", "memory"
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|
\\ );
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|
\\ unreachable;
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|
\\}
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|
,
|
|
"Hello, World!\n",
|
|
);
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|
}
|
|
|
|
{
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var case = ctx.exe("adding numbers at runtime", linux_x64);
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|
case.addCompareOutput(
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|
\\export fn _start() noreturn {
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|
\\ add(3, 4);
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|
\\
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|
\\ exit();
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|
\\}
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|
\\
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|
\\fn add(a: u32, b: u32) void {
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|
\\ if (a + b != 7) unreachable;
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|
\\}
|
|
\\
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|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
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|
\\ : [number] "{rax}" (231),
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|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
}
|
|
|
|
{
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|
var case = ctx.exe("subtracting numbers at runtime", linux_x64);
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|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
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|
\\ sub(7, 4);
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|
\\
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|
\\ exit();
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|
\\}
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|
\\
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\\fn sub(a: u32, b: u32) void {
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\\ if (a - b != 3) unreachable;
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|
\\}
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|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
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|
\\ : [number] "{rax}" (231),
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|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
}
|
|
|
|
{
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var case = ctx.exe("assert function", linux_x64);
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ add(3, 4);
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|
\\
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|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) void {
|
|
\\ assert(a + b == 7);
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|
\\}
|
|
\\
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|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
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|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Tests copying a register. For the `c = a + b`, it has to
|
|
// preserve both a and b, because they are both used later.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ add(3, 4);
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|
\\
|
|
\\ exit();
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|
\\}
|
|
\\
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\\fn add(a: u32, b: u32) void {
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\\ const c = a + b; // 7
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\\ const d = a + c; // 10
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\\ const e = d + b; // 14
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\\ assert(e == 14);
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\\}
|
|
\\
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|
\\pub fn assert(ok: bool) void {
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|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// More stress on the liveness detection.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ add(3, 4);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) void {
|
|
\\ const c = a + b; // 7
|
|
\\ const d = a + c; // 10
|
|
\\ const e = d + b; // 14
|
|
\\ const f = d + e; // 24
|
|
\\ const g = e + f; // 38
|
|
\\ const h = f + g; // 62
|
|
\\ const i = g + h; // 100
|
|
\\ assert(i == 100);
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Requires a second move. The register allocator should figure out to re-use rax.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ add(3, 4);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) void {
|
|
\\ const c = a + b; // 7
|
|
\\ const d = a + c; // 10
|
|
\\ const e = d + b; // 14
|
|
\\ const f = d + e; // 24
|
|
\\ const g = e + f; // 38
|
|
\\ const h = f + g; // 62
|
|
\\ const i = g + h; // 100
|
|
\\ const j = i + d; // 110
|
|
\\ assert(j == 110);
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Now we test integer return values.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert(add(3, 4) == 7);
|
|
\\ assert(add(20, 10) == 30);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) u32 {
|
|
\\ return a + b;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Local mutable variables.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert(add(3, 4) == 7);
|
|
\\ assert(add(20, 10) == 30);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) u32 {
|
|
\\ var x: u32 = undefined;
|
|
\\ x = 0;
|
|
\\ x += a;
|
|
\\ x += b;
|
|
\\ return x;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Optionals
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ const a: u32 = 2;
|
|
\\ const b: ?u32 = a;
|
|
\\ const c = b.?;
|
|
\\ if (c != 2) unreachable;
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// While loops
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ var i: u32 = 0;
|
|
\\ while (i < 4) : (i += 1) print();
|
|
\\ assert(i == 4);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn print() void {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (1),
|
|
\\ [arg1] "{rdi}" (1),
|
|
\\ [arg2] "{rsi}" (@ptrToInt("hello\n")),
|
|
\\ [arg3] "{rdx}" (6)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ return;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"hello\nhello\nhello\nhello\n",
|
|
);
|
|
|
|
// Labeled blocks (no conditional branch)
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert(add(3, 4) == 20);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) u32 {
|
|
\\ const x: u32 = blk: {
|
|
\\ const c = a + b; // 7
|
|
\\ const d = a + c; // 10
|
|
\\ const e = d + b; // 14
|
|
\\ break :blk e;
|
|
\\ };
|
|
\\ const y = x + a; // 17
|
|
\\ const z = y + a; // 20
|
|
\\ return z;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// This catches a possible bug in the logic for re-using dying operands.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert(add(3, 4) == 116);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) u32 {
|
|
\\ const x: u32 = blk: {
|
|
\\ const c = a + b; // 7
|
|
\\ const d = a + c; // 10
|
|
\\ const e = d + b; // 14
|
|
\\ const f = d + e; // 24
|
|
\\ const g = e + f; // 38
|
|
\\ const h = f + g; // 62
|
|
\\ const i = g + h; // 100
|
|
\\ const j = i + d; // 110
|
|
\\ break :blk j;
|
|
\\ };
|
|
\\ const y = x + a; // 113
|
|
\\ const z = y + a; // 116
|
|
\\ return z;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Spilling registers to the stack.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert(add(3, 4) == 791);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) u32 {
|
|
\\ const x: u32 = blk: {
|
|
\\ const c = a + b; // 7
|
|
\\ const d = a + c; // 10
|
|
\\ const e = d + b; // 14
|
|
\\ const f = d + e; // 24
|
|
\\ const g = e + f; // 38
|
|
\\ const h = f + g; // 62
|
|
\\ const i = g + h; // 100
|
|
\\ const j = i + d; // 110
|
|
\\ const k = i + j; // 210
|
|
\\ const l = k + c; // 217
|
|
\\ const m = l + d; // 227
|
|
\\ const n = m + e; // 241
|
|
\\ const o = n + f; // 265
|
|
\\ const p = o + g; // 303
|
|
\\ const q = p + h; // 365
|
|
\\ const r = q + i; // 465
|
|
\\ const s = r + j; // 575
|
|
\\ const t = s + k; // 785
|
|
\\ break :blk t;
|
|
\\ };
|
|
\\ const y = x + a; // 788
|
|
\\ const z = y + a; // 791
|
|
\\ return z;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Reusing the registers of dead operands playing nicely with conditional branching.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert(add(3, 4) == 791);
|
|
\\ assert(add(4, 3) == 79);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) u32 {
|
|
\\ const x: u32 = if (a < b) blk: {
|
|
\\ const c = a + b; // 7
|
|
\\ const d = a + c; // 10
|
|
\\ const e = d + b; // 14
|
|
\\ const f = d + e; // 24
|
|
\\ const g = e + f; // 38
|
|
\\ const h = f + g; // 62
|
|
\\ const i = g + h; // 100
|
|
\\ const j = i + d; // 110
|
|
\\ const k = i + j; // 210
|
|
\\ const l = k + c; // 217
|
|
\\ const m = l + d; // 227
|
|
\\ const n = m + e; // 241
|
|
\\ const o = n + f; // 265
|
|
\\ const p = o + g; // 303
|
|
\\ const q = p + h; // 365
|
|
\\ const r = q + i; // 465
|
|
\\ const s = r + j; // 575
|
|
\\ const t = s + k; // 785
|
|
\\ break :blk t;
|
|
\\ } else blk: {
|
|
\\ const t = b + b + a; // 10
|
|
\\ const c = a + t; // 14
|
|
\\ const d = c + t; // 24
|
|
\\ const e = d + t; // 34
|
|
\\ const f = e + t; // 44
|
|
\\ const g = f + t; // 54
|
|
\\ const h = c + g; // 68
|
|
\\ break :blk h + b; // 71
|
|
\\ };
|
|
\\ const y = x + a; // 788, 75
|
|
\\ const z = y + a; // 791, 79
|
|
\\ return z;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Character literals and multiline strings.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ const ignore =
|
|
\\ \\ cool thx
|
|
\\ \\
|
|
\\ ;
|
|
\\ add('ぁ', '\x03');
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn add(a: u32, b: u32) void {
|
|
\\ assert(a + b == 12356);
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Global const.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ add(aa, bb);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\const aa = 'ぁ';
|
|
\\const bb = '\x03';
|
|
\\
|
|
\\fn add(a: u32, b: u32) void {
|
|
\\ assert(a + b == 12356);
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Array access.
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ assert("hello"[0] == 'h');
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// 64bit set stack
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ var i: u64 = 0xFFEEDDCCBBAA9988;
|
|
\\ assert(i == 0xFFEEDDCCBBAA9988);
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
|
|
// Basic for loop
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ for ("hello") |_| print();
|
|
\\
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn print() void {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (1),
|
|
\\ [arg1] "{rdi}" (1),
|
|
\\ [arg2] "{rsi}" (@ptrToInt("hello\n")),
|
|
\\ [arg3] "{rdx}" (6)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ return;
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"hello\nhello\nhello\nhello\nhello\n",
|
|
);
|
|
|
|
// comptime switch
|
|
|
|
// Basic for loop
|
|
case.addCompareOutput(
|
|
\\pub export fn _start() noreturn {
|
|
\\ assert(foo() == 1);
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn foo() u32 {
|
|
\\ const a: comptime_int = 1;
|
|
\\ var b: u32 = 0;
|
|
\\ switch (a) {
|
|
\\ 1 => b = 1,
|
|
\\ 2 => b = 2,
|
|
\\ else => unreachable,
|
|
\\ }
|
|
\\ return b;
|
|
\\}
|
|
\\
|
|
\\pub fn assert(ok: bool) void {
|
|
\\ if (!ok) unreachable; // assertion failure
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (0)
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"",
|
|
);
|
|
}
|
|
|
|
{
|
|
var case = ctx.exe("basic import", linux_x64);
|
|
case.addCompareOutput(
|
|
\\export fn _start() noreturn {
|
|
\\ @import("print.zig").print();
|
|
\\ exit();
|
|
\\}
|
|
\\
|
|
\\fn exit() noreturn {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (231),
|
|
\\ [arg1] "{rdi}" (@as(usize, 0))
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ unreachable;
|
|
\\}
|
|
,
|
|
"Hello, World!\n",
|
|
);
|
|
try case.files.append(.{
|
|
.src =
|
|
\\pub fn print() void {
|
|
\\ asm volatile ("syscall"
|
|
\\ :
|
|
\\ : [number] "{rax}" (@as(usize, 1)),
|
|
\\ [arg1] "{rdi}" (@as(usize, 1)),
|
|
\\ [arg2] "{rsi}" (@ptrToInt("Hello, World!\n")),
|
|
\\ [arg3] "{rdx}" (@as(usize, 14))
|
|
\\ : "rcx", "r11", "memory"
|
|
\\ );
|
|
\\ return;
|
|
\\}
|
|
,
|
|
.path = "print.zig",
|
|
});
|
|
}
|
|
|
|
{
|
|
var case = ctx.exe("wasm function calls", wasi);
|
|
|
|
case.addCompareOutput(
|
|
\\export fn _start() u32 {
|
|
\\ foo();
|
|
\\ bar();
|
|
\\ return 42;
|
|
\\}
|
|
\\fn foo() void {
|
|
\\ bar();
|
|
\\ bar();
|
|
\\}
|
|
\\fn bar() void {}
|
|
,
|
|
"42\n",
|
|
);
|
|
|
|
case.addCompareOutput(
|
|
\\export fn _start() i64 {
|
|
\\ bar();
|
|
\\ foo();
|
|
\\ foo();
|
|
\\ bar();
|
|
\\ foo();
|
|
\\ bar();
|
|
\\ return 42;
|
|
\\}
|
|
\\fn foo() void {
|
|
\\ bar();
|
|
\\}
|
|
\\fn bar() void {}
|
|
,
|
|
"42\n",
|
|
);
|
|
|
|
case.addCompareOutput(
|
|
\\export fn _start() f32 {
|
|
\\ bar();
|
|
\\ foo();
|
|
\\ return 42.0;
|
|
\\}
|
|
\\fn foo() void {
|
|
\\ bar();
|
|
\\ bar();
|
|
\\ bar();
|
|
\\}
|
|
\\fn bar() void {}
|
|
,
|
|
// This is what you get when you take the bits of the IEE-754
|
|
// representation of 42.0 and reinterpret them as an unsigned
|
|
// integer. Guess that's a bug in wasmtime.
|
|
"1109917696\n",
|
|
);
|
|
}
|
|
|
|
ctx.compileError("function redefinition", linux_x64,
|
|
\\fn entry() void {}
|
|
\\fn entry() void {}
|
|
, &[_][]const u8{":2:4: error: redefinition of 'entry'"});
|
|
|
|
{
|
|
var case = ctx.obj("variable shadowing", linux_x64);
|
|
case.addError(
|
|
\\export fn _start() noreturn {
|
|
\\ var i: u32 = 10;
|
|
\\ var i: u32 = 10;
|
|
\\ unreachable;
|
|
\\}
|
|
, &[_][]const u8{":3:9: error: redefinition of 'i'"});
|
|
case.addError(
|
|
\\var testing: i64 = 10;
|
|
\\export fn _start() noreturn {
|
|
\\ var testing: i64 = 20;
|
|
\\ unreachable;
|
|
\\}
|
|
, &[_][]const u8{":3:9: error: redefinition of 'testing'"});
|
|
}
|
|
|
|
{
|
|
var case = ctx.obj("extern variable has no type", linux_x64);
|
|
case.addError(
|
|
\\comptime {
|
|
\\ _ = foo;
|
|
\\}
|
|
\\extern var foo: i32;
|
|
, &[_][]const u8{":2:9: error: unable to resolve comptime value"});
|
|
case.addError(
|
|
\\export fn entry() void {
|
|
\\ _ = foo;
|
|
\\}
|
|
\\extern var foo;
|
|
, &[_][]const u8{":4:1: error: unable to infer variable type"});
|
|
}
|
|
}
|