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ZJIT: Add RubyVM::ZJIT.enabled? #14159

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Merged
merged 2 commits into from
Aug 11, 2025
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Merged

ZJIT: Add RubyVM::ZJIT.enabled? #14159

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4eadcb6
ZJIT: Add RubyVM::ZJIT.enabled?
k0kubun Aug 8, 2025
2c8e632
Share the if-zjit statement
k0kubun Aug 9, 2025
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34 changes: 26 additions & 8 deletions test/ruby/test_zjit.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,15 @@
return unless JITSupport.zjit_supported?

class TestZJIT < Test::Unit::TestCase
def test_enabled
assert_runs 'false', <<~RUBY, zjit: false
RubyVM::ZJIT.enabled?
RUBY
assert_runs 'true', <<~RUBY, zjit: true
RubyVM::ZJIT.enabled?
RUBY
end

def test_call_itself
assert_compiles '42', <<~RUBY, call_threshold: 2
def test = 42.itself
Expand Down Expand Up @@ -1547,14 +1556,23 @@ def assert_runs(expected, test_script, insns: [], assert_compiles: false, **opts
end

# Run a Ruby process with ZJIT options and a pipe for writing test results
def eval_with_jit(script, call_threshold: 1, num_profiles: 1, stats: false, debug: true, timeout: 1000, pipe_fd:)
args = [
"--disable-gems",
"--zjit-call-threshold=#{call_threshold}",
"--zjit-num-profiles=#{num_profiles}",
]
args << "--zjit-stats" if stats
args << "--zjit-debug" if debug
def eval_with_jit(
script,
call_threshold: 1,
num_profiles: 1,
zjit: true,
stats: false,
debug: true,
timeout: 1000,
pipe_fd:
)
args = ["--disable-gems"]
if zjit
args << "--zjit-call-threshold=#{call_threshold}"
args << "--zjit-num-profiles=#{num_profiles}"
args << "--zjit-stats" if stats
args << "--zjit-debug" if debug
end
args << "-e" << script_shell_encode(script)
pipe_r, pipe_w = IO.pipe
# Separate thread so we don't deadlock when
Expand Down
9 changes: 7 additions & 2 deletions zjit.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,12 @@ module RubyVM::ZJIT
end

class << RubyVM::ZJIT
# Return ZJIT statistics as a Hash
# Check if \ZJIT is enabled
def enabled?
Primitive.cexpr! 'RBOOL(rb_zjit_enabled_p)'
end

# Return \ZJIT statistics as a Hash
def stats
stats = Primitive.rb_zjit_stats

Expand All @@ -26,7 +31,7 @@ def stats
stats
end

# Get the summary of ZJIT statistics as a String
# Get the summary of \ZJIT statistics as a String
def stats_string
buf = +''
stats = self.stats
Expand Down
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