update ZIR compare output test to test incremental updates

1 files changed, 143 insertions, 69 deletions

diff --git a/test/stage2/zir.zig b/test/stage2/zir.zig
index 868ded42ed..afee3e7895 100644
--- a/test/stage2/zir.zig
+++ b/test/stage2/zir.zig
@@ -65,74 +65,148 @@ pub fn addCases(ctx: *TestContext) void {
         return;
     }
 
-    ctx.addZIRCompareOutput("hello world ZIR",
-        \\@noreturn = primitive(noreturn)
-        \\@void = primitive(void)
-        \\@usize = primitive(usize)
-        \\@0 = int(0)
-        \\@1 = int(1)
-        \\@2 = int(2)
-        \\@3 = int(3)
-        \\
-        \\@syscall_array = str("syscall")
-        \\@sysoutreg_array = str("={rax}")
-        \\@rax_array = str("{rax}")
-        \\@rdi_array = str("{rdi}")
-        \\@rcx_array = str("rcx")
-        \\@r11_array = str("r11")
-        \\@rdx_array = str("{rdx}")
-        \\@rsi_array = str("{rsi}")
-        \\@memory_array = str("memory")
-        \\@len_array = str("len")
-        \\
-        \\@msg = str("Hello, world!\n")
-        \\
-        \\@start_fnty = fntype([], @noreturn, cc=Naked)
-        \\@start = fn(@start_fnty, {
-        \\  %SYS_exit_group = int(231)
-        \\  %exit_code = as(@usize, @0)
-        \\
-        \\  %syscall = ref(@syscall_array)
-        \\  %sysoutreg = ref(@sysoutreg_array)
-        \\  %rax = ref(@rax_array)
-        \\  %rdi = ref(@rdi_array)
-        \\  %rcx = ref(@rcx_array)
-        \\  %rdx = ref(@rdx_array)
-        \\  %rsi = ref(@rsi_array)
-        \\  %r11 = ref(@r11_array)
-        \\  %memory = ref(@memory_array)
-        \\
-        \\  %SYS_write = as(@usize, @1)
-        \\  %STDOUT_FILENO = as(@usize, @1)
-        \\
-        \\  %msg_ptr = ref(@msg)
-        \\  %msg_addr = ptrtoint(%msg_ptr)
-        \\
-        \\  %len_name = ref(@len_array)
-        \\  %msg_len_ptr = fieldptr(%msg_ptr, %len_name)
-        \\  %msg_len = deref(%msg_len_ptr)
-        \\  %rc_write = asm(%syscall, @usize,
-        \\    volatile=1,
-        \\    output=%sysoutreg,
-        \\    inputs=[%rax, %rdi, %rsi, %rdx],
-        \\    clobbers=[%rcx, %r11, %memory],
-        \\    args=[%SYS_write, %STDOUT_FILENO, %msg_addr, %msg_len])
-        \\
-        \\  %rc_exit = asm(%syscall, @usize,
-        \\    volatile=1,
-        \\    output=%sysoutreg,
-        \\    inputs=[%rax, %rdi],
-        \\    clobbers=[%rcx, %r11, %memory],
-        \\    args=[%SYS_exit_group, %exit_code])
-        \\
-        \\  %99 = unreachable()
-        \\});
-        \\
-        \\@9 = str("_start")
-        \\@10 = ref(@9)
-        \\@11 = export(@10, @start)
-    ,
-        \\Hello, world!
-        \\
+    ctx.addZIRCompareOutput(
+        "hello world ZIR, update msg",
+        &[_][]const u8{
+            \\@noreturn = primitive(noreturn)
+            \\@void = primitive(void)
+            \\@usize = primitive(usize)
+            \\@0 = int(0)
+            \\@1 = int(1)
+            \\@2 = int(2)
+            \\@3 = int(3)
+            \\
+            \\@syscall_array = str("syscall")
+            \\@sysoutreg_array = str("={rax}")
+            \\@rax_array = str("{rax}")
+            \\@rdi_array = str("{rdi}")
+            \\@rcx_array = str("rcx")
+            \\@r11_array = str("r11")
+            \\@rdx_array = str("{rdx}")
+            \\@rsi_array = str("{rsi}")
+            \\@memory_array = str("memory")
+            \\@len_array = str("len")
+            \\
+            \\@msg = str("Hello, world!\n")
+            \\
+            \\@start_fnty = fntype([], @noreturn, cc=Naked)
+            \\@start = fn(@start_fnty, {
+            \\  %SYS_exit_group = int(231)
+            \\  %exit_code = as(@usize, @0)
+            \\
+            \\  %syscall = ref(@syscall_array)
+            \\  %sysoutreg = ref(@sysoutreg_array)
+            \\  %rax = ref(@rax_array)
+            \\  %rdi = ref(@rdi_array)
+            \\  %rcx = ref(@rcx_array)
+            \\  %rdx = ref(@rdx_array)
+            \\  %rsi = ref(@rsi_array)
+            \\  %r11 = ref(@r11_array)
+            \\  %memory = ref(@memory_array)
+            \\
+            \\  %SYS_write = as(@usize, @1)
+            \\  %STDOUT_FILENO = as(@usize, @1)
+            \\
+            \\  %msg_ptr = ref(@msg)
+            \\  %msg_addr = ptrtoint(%msg_ptr)
+            \\
+            \\  %len_name = ref(@len_array)
+            \\  %msg_len_ptr = fieldptr(%msg_ptr, %len_name)
+            \\  %msg_len = deref(%msg_len_ptr)
+            \\  %rc_write = asm(%syscall, @usize,
+            \\    volatile=1,
+            \\    output=%sysoutreg,
+            \\    inputs=[%rax, %rdi, %rsi, %rdx],
+            \\    clobbers=[%rcx, %r11, %memory],
+            \\    args=[%SYS_write, %STDOUT_FILENO, %msg_addr, %msg_len])
+            \\
+            \\  %rc_exit = asm(%syscall, @usize,
+            \\    volatile=1,
+            \\    output=%sysoutreg,
+            \\    inputs=[%rax, %rdi],
+            \\    clobbers=[%rcx, %r11, %memory],
+            \\    args=[%SYS_exit_group, %exit_code])
+            \\
+            \\  %99 = unreachable()
+            \\});
+            \\
+            \\@9 = str("_start")
+            \\@10 = ref(@9)
+            \\@11 = export(@10, @start)
+        ,
+            \\@noreturn = primitive(noreturn)
+            \\@void = primitive(void)
+            \\@usize = primitive(usize)
+            \\@0 = int(0)
+            \\@1 = int(1)
+            \\@2 = int(2)
+            \\@3 = int(3)
+            \\
+            \\@syscall_array = str("syscall")
+            \\@sysoutreg_array = str("={rax}")
+            \\@rax_array = str("{rax}")
+            \\@rdi_array = str("{rdi}")
+            \\@rcx_array = str("rcx")
+            \\@r11_array = str("r11")
+            \\@rdx_array = str("{rdx}")
+            \\@rsi_array = str("{rsi}")
+            \\@memory_array = str("memory")
+            \\@len_array = str("len")
+            \\
+            \\@msg = str("Hello, world!\n")
+            \\@msg2 = str("HELL WORLD\n")
+            \\
+            \\@start_fnty = fntype([], @noreturn, cc=Naked)
+            \\@start = fn(@start_fnty, {
+            \\  %SYS_exit_group = int(231)
+            \\  %exit_code = as(@usize, @0)
+            \\
+            \\  %syscall = ref(@syscall_array)
+            \\  %sysoutreg = ref(@sysoutreg_array)
+            \\  %rax = ref(@rax_array)
+            \\  %rdi = ref(@rdi_array)
+            \\  %rcx = ref(@rcx_array)
+            \\  %rdx = ref(@rdx_array)
+            \\  %rsi = ref(@rsi_array)
+            \\  %r11 = ref(@r11_array)
+            \\  %memory = ref(@memory_array)
+            \\
+            \\  %SYS_write = as(@usize, @1)
+            \\  %STDOUT_FILENO = as(@usize, @1)
+            \\
+            \\  %msg_ptr = ref(@msg2)
+            \\  %msg_addr = ptrtoint(%msg_ptr)
+            \\
+            \\  %len_name = ref(@len_array)
+            \\  %msg_len_ptr = fieldptr(%msg_ptr, %len_name)
+            \\  %msg_len = deref(%msg_len_ptr)
+            \\  %rc_write = asm(%syscall, @usize,
+            \\    volatile=1,
+            \\    output=%sysoutreg,
+            \\    inputs=[%rax, %rdi, %rsi, %rdx],
+            \\    clobbers=[%rcx, %r11, %memory],
+            \\    args=[%SYS_write, %STDOUT_FILENO, %msg_addr, %msg_len])
+            \\
+            \\  %rc_exit = asm(%syscall, @usize,
+            \\    volatile=1,
+            \\    output=%sysoutreg,
+            \\    inputs=[%rax, %rdi],
+            \\    clobbers=[%rcx, %r11, %memory],
+            \\    args=[%SYS_exit_group, %exit_code])
+            \\
+            \\  %99 = unreachable()
+            \\});
+            \\
+            \\@9 = str("_start")
+            \\@10 = ref(@9)
+            \\@11 = export(@10, @start)
+        },
+        &[_][]const u8{
+            \\Hello, world!
+            \\
+        ,
+            \\HELL WORLD
+            \\
+        },
     );
 }