Closed
Description
When trying to change the cpu target used when generating "apps" in PackageCompiler (JuliaLang/PackageCompilerX.jl#43) with the "app" at (https://github.com/KristofferC/PackageCompilerX.jl/blob/master/examples/MyApp/src/MyApp.jl) I hit the following CI error
Linux (https://travis-ci.com/KristofferC/PackageCompilerX.jl/jobs/265321335#L264-L267):
<unknown>: error: Cannot represent a difference across sections
Aliasee should be either GlobalValue or ConstantExpr
i32 ()* @julia_main
LLVM ERROR: Broken module found, compilation aborted!
Mac (https://travis-ci.com/KristofferC/PackageCompilerX.jl/jobs/265321336#L197-L212);
signal (11): Segmentation fault: 11
in expression starting at none:0
_ZN12_GLOBAL__N_119X86MachObjectWriter16recordRelocationEPN4llvm16MachObjectWriterERNS1_11MCAssemblerERKNS1_11MCAsmLayoutEPKNS1_10MCFragmentERKNS1_7MCFixupENS1_7MCValueERy at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm16MachObjectWriter16recordRelocationERNS_11MCAssemblerERKNS_11MCAsmLayoutEPKNS_10MCFragmentERKNS_7MCFixupENS_7MCValueERy at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm11MCAssembler6layoutERNS_11MCAsmLayoutE at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm11MCAssembler6FinishEv at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN12_GLOBAL__N_115MCMachOStreamer10FinishImplEv at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm10MCStreamer6FinishEv at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm10AsmPrinter14doFinalizationERNS_6ModuleE at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm13FPPassManager14doFinalizationERNS_6ModuleE at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE at /Users/travis/julia/lib/julia/libLLVM.dylib (unknown line)
operator() at /Users/sabae/buildbot/worker/package_macos64/build/src/jitlayers.cpp:1086 [inlined]
jl_dump_native at /Users/sabae/buildbot/worker/package_macos64/build/src/jitlayers.cpp:1095
jl_write_compiler_output at /Users/sabae/buildbot/worker/package_macos64/build/src/precompile.c:93
jl_atexit_hook at /Users/sabae/buildbot/worker/package_macos64/build/src/init.c:230
main at /Users/travis/julia/bin/julia (unknown line)
It can be reprod on the linked branch above with pwd in the root git repo and running:
using PackageCompilerX
create_sysimage(:MyApp, sysimage_path="MyApp.so", cpu_target="generic;sandybridge,-xsaveopt,clone_all;haswell,-rdrnd,base(1)", project="examples/MyApp", incremental=false)
Note that incremental=false seems to be needed (which means that a new sysimage is bootstrapped from scratch (corecompiler.ji -> sys.ji -> sys.o).
I can reduce it to just a set of raw commands if that would be helpful.
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