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Convert pointer address spaces when calling rtlib functions. #704

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Merged
maleadt merged 1 commit into from
Jun 23, 2025
Merged

Convert pointer address spaces when calling rtlib functions. #704

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12 changes: 9 additions & 3 deletions src/rtlib.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -49,10 +49,16 @@ function LLVM.call!(builder, rt::Runtime.RuntimeMethodInstance, args=LLVM.Value[
end
for (i,arg) in enumerate(args)
if value_type(arg) != parameters(ft)[i]
if (value_type(arg) isa LLVM.PointerType) &&
args[i] = if (value_type(arg) isa LLVM.PointerType) &&
(parameters(ft)[i] isa LLVM.IntegerType)
# Julia pointers are passed as integers
args[i] = ptrtoint!(builder, args[i], parameters(ft)[i])
# pointers are passed as integers on Julia 1.11 and earlier
ptrtoint!(builder, args[i], parameters(ft)[i])
elseif value_type(arg) isa LLVM.PointerType &&
parameters(ft)[i] isa LLVM.PointerType &&
addrspace(value_type(arg)) != addrspace(parameters(ft)[i])
# runtime functions are always in the default address space,
# while arguments may come from globals in other address spaces.
addrspacecast!(builder, args[i], parameters(ft)[i])
else
error("Don't know how to convert ", arg, " argument to ", parameters(ft)[i])
end
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