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# This file is a part of Julia. License is MIT: https://julialang.org/license
using Test, Core.IR
function f22938(a, b, x...)
nothing
nothing
nothing
nothing
nothing
nothing
nothing
d = 1
a = d
for i in 1:b
d += i
end
return i * a
end
msig = Tuple{typeof(f22938),Int,Int,Int,Int}
world = typemax(UInt)
_, msp, m = Base._methods_by_ftype(msig, -1, world)[]
mi = Core.Compiler.code_for_method(m, msig, msp, world, false)
c0 = Core.Compiler.retrieve_code_info(mi)
@test isempty(Core.Compiler.validate_code(mi))
@test isempty(Core.Compiler.validate_code(c0))
@testset "INVALID_EXPR_HEAD" begin
c = Core.Compiler.copy_code_info(c0)
c.code[1] = Expr(:invalid, 1)
errors = Core.Compiler.validate_code(c)
@test length(errors) == 1
@test errors[1].kind === Core.Compiler.INVALID_EXPR_HEAD
end
@testset "INVALID_LVALUE" begin
c = Core.Compiler.copy_code_info(c0)
c.code[1] = Expr(:(=), GotoNode(1), 1)
c.code[2] = Expr(:(=), :x, 1)
c.code[3] = Expr(:(=), 3, 1)
errors = Core.Compiler.validate_code(c)
@test length(errors) == 3
@test all(e.kind === Core.Compiler.INVALID_LVALUE for e in errors)
end
@testset "INVALID_RVALUE" begin
c = Core.Compiler.copy_code_info(c0)
c.code[1] = Expr(:(=), SlotNumber(2), GotoNode(1))
c.code[2] = Expr(:(=), SlotNumber(2), LineNumberNode(2))
i = 2
for h in (:gotoifnot, :line, :const, :meta)
c.code[i+=1] = Expr(:(=), SlotNumber(2), Expr(h))
end
errors = Core.Compiler.validate_code(c)
@test length(errors) == 6
@test count(e.kind === Core.Compiler.INVALID_RVALUE for e in errors) == 6
end
@testset "INVALID_CALL_ARG" begin
c = Core.Compiler.copy_code_info(c0)
c.code[1] = Expr(:(=), SlotNumber(2), Expr(:call, GlobalRef(Base,:+), SlotNumber(2), GotoNode(1)))
c.code[2] = Expr(:call, GlobalRef(Base,:-), Expr(:call, GlobalRef(Base,:sin), GotoNode(2)), 3)
c.code[3] = Expr(:call, LineNumberNode(2))
i = 3
for h in (:gotoifnot, :line, :const, :meta)
c.code[i+=1] = Expr(:call, GlobalRef(@__MODULE__,:f), Expr(h))
end
errors = Core.Compiler.validate_code(c)
@test length(errors) == 7
@test count(e.kind === Core.Compiler.INVALID_CALL_ARG for e in errors) == 7
end
@testset "EMPTY_SLOTNAMES" begin
c = Core.Compiler.copy_code_info(c0)
empty!(c.slotnames)
errors = Core.Compiler.validate_code(c)
@test length(errors) == 2
@test any(e.kind === Core.Compiler.EMPTY_SLOTNAMES for e in errors)
@test any(e.kind === Core.Compiler.SLOTFLAGS_MISMATCH for e in errors)
end
@testset "SLOTFLAGS_MISMATCH" begin
c = Core.Compiler.copy_code_info(c0)
push!(c.slotnames, :dummy)
errors = Core.Compiler.validate_code(c)
@test length(errors) == 1
@test errors[1].kind === Core.Compiler.SLOTFLAGS_MISMATCH
end
@testset "SSAVALUETYPES_MISMATCH" begin
c = code_typed(f22938, (Int,Int,Int,Int))[1][1]
empty!(c.ssavaluetypes)
errors = Core.Compiler.validate_code(c)
@test length(errors) == 1
@test errors[1].kind === Core.Compiler.SSAVALUETYPES_MISMATCH
end
@testset "SSAVALUETYPES_MISMATCH_UNINFERRED" begin
c = Core.Compiler.copy_code_info(c0)
c.ssavaluetypes -= 1
errors = Core.Compiler.validate_code(c)
@test length(errors) == 1
@test errors[1].kind === Core.Compiler.SSAVALUETYPES_MISMATCH_UNINFERRED
end
@testset "SIGNATURE_NARGS_MISMATCH" begin
old_sig = mi.def.sig
mi.def.sig = Tuple{1,2}
errors = Core.Compiler.validate_code(mi)
mi.def.sig = old_sig
@test length(errors) == 1
@test errors[1].kind === Core.Compiler.SIGNATURE_NARGS_MISMATCH
end
@testset "NON_TOP_LEVEL_METHOD" begin
c = Core.Compiler.copy_code_info(c0)
c.code[1] = Expr(:method, :dummy)
errors = Core.Compiler.validate_code(c)
@test length(errors) == 1
@test errors[1].kind === Core.Compiler.NON_TOP_LEVEL_METHOD
end
@testset "SLOTNAMES_NARGS_MISMATCH" begin
mi.def.nargs += 20
errors = Core.Compiler.validate_code(mi)
mi.def.nargs -= 20
@test length(errors) == 2
@test count(e.kind === Core.Compiler.SLOTNAMES_NARGS_MISMATCH for e in errors) == 1
@test count(e.kind === Core.Compiler.SIGNATURE_NARGS_MISMATCH for e in errors) == 1
end
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