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Fix opt_eq for overridden equality

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John Hawthorn 2021-09-11 23:29:24 -07:00 • committed by Alan Wu
parent 554d76afb4
commit 5092d6129a
2 changed files with 28 additions and 6 deletions
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26
bootstraptest/test_yjit.rb
View file

@ -1965,7 +1965,7 @@ assert_equal '[true, false, false, false]', %q{
]
}
# Redefined eq
# Redefined String eq
assert_equal 'true', %q{
class String
def ==(other)
@ -1973,6 +1973,26 @@ assert_equal 'true', %q{
end
end
"foo" == "bar"
"foo" == "bar"
def eq(a, b)
a == b
end
eq("foo", "bar")
eq("foo", "bar")
}
# Redefined Integer eq
assert_equal 'true', %q{
class Integer
def ==(other)
true
end
end
def eq(a, b)
a == b
end
eq(1, 2)
eq(1, 2)
}

8
yjit_codegen.c
View file

@ -2048,7 +2048,8 @@ gen_equality_specialized(jitstate_t* jit, ctx_t* ctx, uint8_t *side_exit)
if (FIXNUM_P(comptime_a) && FIXNUM_P(comptime_b)) {
if (!assume_bop_not_redefined(jit->block, INTEGER_REDEFINED_OP_FLAG, BOP_EQ)) {
return YJIT_CANT_COMPILE;
// if overridden, emit the generic version
return false;
}
guard_two_fixnums(ctx, side_exit);
@ -2067,9 +2068,10 @@ gen_equality_specialized(jitstate_t* jit, ctx_t* ctx, uint8_t *side_exit)
return true;
} else if (CLASS_OF(comptime_a) == rb_cString &&
CLASS_OF(comptime_b) == rb_cString) {
CLASS_OF(comptime_b) == rb_cString) {
if (!assume_bop_not_redefined(jit->block, STRING_REDEFINED_OP_FLAG, BOP_EQ)) {
return YJIT_CANT_COMPILE;
// if overridden, emit the generic version
return false;
}
// Load a and b in preparation for call later