authorgravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-10-03 14:05:55+03:00
committergravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-10-05 17:26:29+03:00
log40578656e85a4bd930b03c143f179d43a925d151
tree521053cc75e0b05a1baee26f640e1fc6e87c8aa7
parentc0350cf87eaae64ca81e17aef8872e8e55767437

Zir: handle ranges in `getMultiProng`

Closes #12890

3 files changed, 25 insertions(+), 1 deletions(-)

src/Zir.zig+6-1
......@@ -3051,11 +3051,16 @@ pub const Inst = struct {
30513051 var multi_i: u32 = 0;
30523052 while (true) : (multi_i += 1) {
30533053 const items_len = zir.extra[extra_index];
3054 extra_index += 2;
3054 extra_index += 1;
3055 const ranges_len = zir.extra[extra_index];
3056 extra_index += 1;
30553057 const body_len = @truncate(u31, zir.extra[extra_index]);
30563058 extra_index += 1;
30573059 const items = zir.refSlice(extra_index, items_len);
30583060 extra_index += items_len;
3061 // Each range has a start and an end.
3062 extra_index += 2 * ranges_len;
3063
30593064 const body = zir.extra[extra_index..][0..body_len];
30603065 extra_index += body_len;
30613066
test/behavior.zig+1
......@@ -95,6 +95,7 @@ test {
9595 _ = @import("behavior/bugs/12801-1.zig");
9696 _ = @import("behavior/bugs/12801-2.zig");
9797 _ = @import("behavior/bugs/12885.zig");
98 _ = @import("behavior/bugs/12890.zig");
9899 _ = @import("behavior/bugs/12911.zig");
99100 _ = @import("behavior/bugs/12928.zig");
100101 _ = @import("behavior/bugs/12945.zig");
test/behavior/bugs/12890.zig created+18
......@@ -0,0 +1,18 @@
1const expect = @import("std").testing.expect;
2const builtin = @import("builtin");
3
4fn a(b: []u3, c: u3) void {
5 switch (c) {
6 0...1 => b[c] = c,
7 2...3 => b[c] = c,
8 4...7 => |d| b[d] = c,
9 }
10}
11test {
12 if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
13 if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
14
15 var arr: [8]u3 = undefined;
16 a(&arr, 5);
17 try expect(arr[5] == 5);
18}