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MJIT: Fix JIT code for multiple values in a single case

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[Bug #19263]
This commit is contained in:
Takashi Kokubun 2022-12-25 22:48:35 -08:00
parent 39a96b4344
commit fc03ba50f1
2 changed files with 11 additions and 1 deletions
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2
lib/ruby_vm/mjit/compiler.rb
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@ -536,7 +536,7 @@ class RubyVM::MJIT::Compiler # :nodoc: all
when /\A\s+JUMP\((?<dest>[^)]+)\);\s+\z/
dest = Regexp.last_match[:dest]
if insn.name == :opt_case_dispatch # special case... TODO: use another macro to avoid checking name
hash_offsets = C.rb_hash_values(operands[0])
hash_offsets = C.rb_hash_values(operands[0]).uniq
else_offset = cast_offset(operands[1])
base_pos = pos + insn_len

10
test/ruby/test_mjit.rb
View file

@ -518,6 +518,16 @@ class TestMJIT < Test::Unit::TestCase
end;
end
def test_compile_multiple_values_case
assert_compile_twice("#{<<~"begin;"}\n#{<<~"end;"}", result_inspect: '"world"', insns: %i[opt_case_dispatch])
begin;
case 'hello'
when 'hello', 'world'
'world'
end
end;
end
def test_compile_insn_opt_calc
assert_compile_twice('4 + 2 - ((2 * 3 / 2) % 2)', result_inspect: '5', insns: %i[opt_plus opt_minus opt_mult opt_div opt_mod])
assert_compile_twice('4.0 + 2.0 - ((2.0 * 3.0 / 2.0) % 2.0)', result_inspect: '5.0', insns: %i[opt_plus opt_minus opt_mult opt_div opt_mod])