aarongreig opened a new issue #5734:
URL: https://github.com/apache/incubator-tvm/issues/5734
Hello
I tried to build TVM linking against LLVM 10.0 and I got the following error:
```
FAILED: CMakeFiles/tvm.dir/src/codegen/llvm/codegen_x86_64.cc.o
/usr/bin/c++ -DDMLC_USE_FOPEN64=0 -DNDEBUG -DTVM_LLVM_VERSION=100
-DTVM_THREADPOOL_USE_OPENMP=0 -Dtvm_EXPORTS -DDMLC_ENABLE_RTTI=0 -I../include
-I../3rdparty/dlpack/include -I../3rdparty/dmlc-core/include
-I../3rdparty/rang/include -I../3rdparty/compiler-rt -I../3rdparty/picojson
-I../vta/include -I/home/aaron/build/llvm/include -I../topi/include -std=c++14
-faligned-new -O2 -Wall -fPIC -O3 -DNDEBUG -fPIC -pthread -fno-rtti -MD -MT
CMakeFiles/tvm.dir/src/codegen/llvm/codegen_x86_64.cc.o -MF
CMakeFiles/tvm.dir/src/codegen/llvm/codegen_x86_64.cc.o.d -o
CMakeFiles/tvm.dir/src/codegen/llvm/codegen_x86_64.cc.o -c
../src/codegen/llvm/codegen_x86_64.cc
../src/codegen/llvm/codegen_x86_64.cc: In member function 'virtual
llvm::Value* tvm::codegen::CodeGenX86_64::VisitExpr_(const tvm::ir::Cast*)':
../src/codegen/llvm/codegen_x86_64.cc:88:30: error:
'x86_avx512_mask_vcvtph2ps_512' is not a member of 'llvm::Intrinsic'
::llvm::Intrinsic::x86_avx512_mask_vcvtph2ps_512, 16,
LLVMType(Float(32, from.lanes())),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/codegen/llvm/codegen_x86_64.cc:100:30: error: 'x86_vcvtph2ps_256' is
not a member of 'llvm::Intrinsic'
::llvm::Intrinsic::x86_vcvtph2ps_256, 8, LLVMType(Float(32,
from.lanes())),
^~~~~~~~~~~~~~~~~
```
My CMake invocation was just `cmake -DCMAKE_BUILD_TYPE=Release -GNinja`. I
used a custom `cmake.config` with `USE_LLVM` pointing to the llvm-config.
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