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stage2: implement comptime variables

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This commit is contained in:
Veikka Tuominen
2021-06-06 21:08:31 +03:00
parent ca6951ff79
commit 7efd7bc3b8
5 changed files with 181 additions and 6 deletions
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10
src/Module.zig
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@@ -1139,6 +1139,13 @@ pub const Scope = struct {
instructions: ArrayListUnmanaged(*ir.Inst),
label: ?*Label = null,
inlining: ?*Inlining,
/// If runtime_index is not 0 then one of these is guaranteed to be non null.
runtime_cond: ?LazySrcLoc = null,
runtime_loop: ?LazySrcLoc = null,
/// Non zero if a non-inline loop or a runtime conditional have been encountered.
/// Stores to to comptime variables are only allowed when var.runtime_index <= runtime_index.
runtime_index: u32 = 0,
is_comptime: bool,
/// This `Block` maps a block ZIR instruction to the corresponding
@@ -1182,6 +1189,9 @@ pub const Scope = struct {
.label = null,
.inlining = parent.inlining,
.is_comptime = parent.is_comptime,
.runtime_cond = parent.runtime_cond,
.runtime_loop = parent.runtime_loop,
.runtime_index = parent.runtime_index,
};
}