Initial work on refactor to LLVM 9.0

[sdiehl]

[xhliu]

Just tried this on LLVM 9.0 and "stack build" fails with many errors. Any estimate on when support for LLVM 9.0 will be coming?

[sdiehl]

Chapter 6 will work. As for when it will be done, that's just a function of when I find the time. You can reference the llvm-hs-examples and the Kaleidoscope repo there for more up to date code.

[xhliu]

@sdiehl I tried to build llvm-hs-examples on Mac Catalina, it gave the following errors:

 [114 of 114] Compiling LLVM.PassManager ( src/LLVM/PassManager.hs, .stack-work/dist/x86_64-osx/Cabal-2.4.0.1/build/LLVM/PassManager.o )
    
    /private/var/folders/zg/mkwy5rhs06dbyf6rmxgrrb8w0000gn/T/stack6665/llvm-hs-9.0.0/src/LLVM/Internal/FFI/PassManagerC.cpp:159:69: error:
         error: non-constant-expression cannot be narrowed from type 'LLVMBool' (aka 'int') to 'bool' in initializer list [-Wc++11-narrowing]
                unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
                                                                                   ^~~~~~~
        |
    159 |         unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
        |                                                                     ^
    
    /private/var/folders/zg/mkwy5rhs06dbyf6rmxgrrb8w0000gn/T/stack6665/llvm-hs-9.0.0/src/LLVM/Internal/FFI/PassManagerC.cpp:159:69: error:
         note: insert an explicit cast to silence this issue
                unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
                                                                                   ^~~~~~~
                                                                                   static_cast<bool>( )
        |
    159 |         unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
        |                                                                     ^
    
    /private/var/folders/zg/mkwy5rhs06dbyf6rmxgrrb8w0000gn/T/stack6665/llvm-hs-9.0.0/src/LLVM/Internal/FFI/PassManagerC.cpp:159:78: error:
         error: non-constant-expression cannot be narrowed from type 'LLVMBool' (aka 'int') to 'bool' in initializer list [-Wc++11-narrowing]
                unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
                                                                                            ^~~~~~
        |
    159 |         unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
        |                                                                              ^
    
    /private/var/folders/zg/mkwy5rhs06dbyf6rmxgrrb8w0000gn/T/stack6665/llvm-hs-9.0.0/src/LLVM/Internal/FFI/PassManagerC.cpp:159:78: error:
         note: insert an explicit cast to silence this issue
                unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
                                                                                            ^~~~~~
                                                                                            static_cast<bool>( )
        |
    159 |         unwrap(PM)->add(createMemorySanitizerLegacyPassPass({trackOrigins, recover, kernel}));
        |                                                                              ^
    2 errors generated.
    `gcc' failed in phase `C Compiler'. (Exit code: 1)

I installed llvm-9

> brew install llvm-hs/llvm/llvm-9
> llvm-config --version
9.0.0

Seems I'm missing https://github.com/llvm-hs/llvm-hs/pull/279/commits/715a33016d53390323e49eaad9ca8db97242ab72, but I don't know how to get it.