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stage2: Fix AIR printing

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Packed structs never have comptime fields, and a slice might actually be
backed by a variable, which we need to catch before iterating its
elements.
This commit is contained in:
Cody Tapscott
2022-07-30 06:34:49 -07:00
committed by Andrew Kelley
parent 8632e4fc7b
commit c0a1b4fa46
2 changed files with 30 additions and 4 deletions
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src/value.zig
+20
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@@ -2664,6 +2664,26 @@ pub const Value = extern union {
}
}
/// Returns true if a Value is backed by a variable
pub fn isVariable(
val: Value,
mod: *Module,
) bool {
return switch (val.tag()) {
.slice => val.castTag(.slice).?.data.ptr.isVariable(mod),
.comptime_field_ptr => val.castTag(.comptime_field_ptr).?.data.field_val.isVariable(mod),
.elem_ptr => val.castTag(.elem_ptr).?.data.array_ptr.isVariable(mod),
.field_ptr => val.castTag(.field_ptr).?.data.container_ptr.isVariable(mod),
.eu_payload_ptr => val.castTag(.eu_payload_ptr).?.data.container_ptr.isVariable(mod),
.opt_payload_ptr => val.castTag(.opt_payload_ptr).?.data.container_ptr.isVariable(mod),
.decl_ref => mod.declPtr(val.castTag(.decl_ref).?.data).val.isVariable(mod),
.decl_ref_mut => mod.declPtr(val.castTag(.decl_ref_mut).?.data.decl_index).val.isVariable(mod),
.variable => true,
else => false,
};
}
// Asserts that the provided start/end are in-bounds.
pub fn sliceArray(
val: Value,