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ghc_5
2016 Oct 21
3
Segfault in llc 3.8.0 building GHC
Hi all,
I'm hitting a segfault in llc when trying to build GHC:
http://sprunge.us/ZVGB. What is the best way to debug this? I'm able to
bump to 3.8.1 if needed, but GHC tends to break when updating major
versions due to IR incompatibilities.
Thanks,
Shea
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2016 Oct 26
1
Segfault in llc 3.8.0 building GHC
...the crash yourself.
>
> 0. Program arguments:
> /nix/store/izlawmnrzpk5sbr62c757cxay0kdlgam-llvm-3.8.0/bin/llc -O3
> -relocation-model=dynamic-no-pic
> /private/tmp/nix-build-ghc-8.1.201601019.drv-3/ghc37608_0/ghc_5.bc -o
> /private/tmp/nix-build-ghc-8.1.201601019.drv-3/ghc37608_0/ghc_6.lm_s
> --enable-tbaa=true -mattr=+v7,+vfp3
> [...]
> 1. Running pass 'Function Pass Manager' on module
> '/private/tmp/nix-build-ghc-8.1.201601019.drv-3/ghc37608_0/ghc_5.bc'.
> 2. Running pass 'Prologue/Epilogue Insertion & Frame Finalization' on
> func...