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stage2: correct logic for analyzeIsNull

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This commit is contained in:
Andrew Kelley 2020-08-26 19:53:36 -07:00
parent cc26cb9b23
commit b0995cb9f9
1 changed files with 2 additions and 1 deletions
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src-self-hosted/Module.zig
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@ -2572,7 +2572,8 @@ pub fn analyzeIsNull(
) InnerError!*Inst {
if (operand.value()) |opt_val| {
const is_null = opt_val.isNull();
return self.constBool(scope, src, invert_logic);
const bool_value = if (invert_logic) !is_null else is_null;
return self.constBool(scope, src, bool_value);
}
const b = try self.requireRuntimeBlock(scope, src);
const inst_tag: Inst.Tag = if (invert_logic) .isnonnull else .isnull;