[Libclc-dev] LIBCLC and AMD RADEON HD R9 290 (Hawaii)
Tom Stellard via Libclc-dev
libclc-dev at lists.llvm.org
Mon Nov 23 14:19:25 PST 2015
On Mon, Oct 26, 2015 at 06:22:44PM +0000, Ricardo Nobre via Libclc-dev wrote:
> Hi,
>
> I'm using Clang/LLVM 3.7 and libclc from the repository to compile and
> OpenCL kernel.
>
> typedef float DATA_TYPE;
>
> __kernel void gemm(__global DATA_TYPE *a, __global DATA_TYPE *b, __global
> DATA_TYPE *c, DATA_TYPE alpha, DATA_TYPE beta, int ni, int nj, int nk)
> {
> int j = get_global_id(0);
> int i = get_global_id(1);
>
> if ((i < ni) && (j < nj))
> {
> c[i * nj + j] *= beta;
> int k;
> for(k=0; k < nk; k++)
> {
> c[i * nj + j] += alpha * a[i * nk + k] * b[k * nj
> +j];
> }
> }
> }
>
> I'm doing it as follows:
> clang -Dcl_clang_storage_class_specifiers -isystem libclc/generic/include
> -include clc/clc.h -target amdgcn -S -emit-llvm -xcl -o gemm.ll gemm.cl
> llvm-link /usr/local/lib/clc/hawaii-amdgcn--.bc gemm.ll -o gemm.linked.bc
> clang -target amdgcn gemm.linked.bc -S -o gemm.hawaii.s
>
> When I execute the third command, I get the following error:
>
Hi,
Did you build clang/llvm with cmake or autoconf? What configure arguments did you use?
-Tom
> warning: overriding the module target triple with amdgcn [-Woverride-module]
> Pass 'Structurize control flow' is not initialized.
> Verify if there is a pass dependency cycle.
> Required Passes:
> Lower SwitchInst's to branches
> Dominator Tree Construction
> #0 0x13e06b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x13e06b8)
> #1 0x13e1a1b SignalHandler(int)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x13e1a1b)
> #2 0x7fcb0f850340 __restore_rt
> (/lib/x86_64-linux-gnu/libpthread.so.0+0x10340)
> #3 0x1122128 llvm::PMTopLevelManager::schedulePass(llvm::Pass*)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x1122128)
> #4 0xf7015e llvm::TargetPassConfig::addPass(llvm::Pass*, bool, bool)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0xf7015e)
> #5 0x7ffd69 (anonymous namespace)::GCNPassConfig::addPreISel()
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x7ffd69)
> #6 0xf709f5 llvm::TargetPassConfig::addISelPrepare()
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0xf709f5)
> #7 0xef6807 addPassesToGenerateCode(llvm::LLVMTargetMachine*,
> llvm::legacy::PassManagerBase&, bool, void const*, void const*, void
> const*, llvm::MachineFunctionInitializer*)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0xef6807)
> #8 0xef60cd
> llvm::LLVMTargetMachine::addPassesToEmitFile(llvm::legacy::PassManagerBase&,
> llvm::raw_pwrite_stream&, llvm::TargetMachine::CodeGenFileType, bool, void
> const*, void const*, void const*, llvm::MachineFunctionInitializer*)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0xef60cd)
> #9 0x14b5c79 clang::EmitBackendOutput(clang::DiagnosticsEngine&,
> clang::CodeGenOptions const&, clang::TargetOptions const&,
> clang::LangOptions const&, llvm::StringRef, llvm::Module*,
> clang::BackendAction, llvm::raw_pwrite_stream*)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x14b5c79)
> #10 0x197634d clang::CodeGenAction::ExecuteAction()
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x197634d)
> #11 0x173c9e9 clang::FrontendAction::Execute()
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x173c9e9)
> #12 0x170d4d3
> clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x170d4d3)
> #13 0x17a9de3 clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x17a9de3)
> #14 0x6f6634 cc1_main(llvm::ArrayRef<char const*>, char const*, void*)
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x6f6634)
> #15 0x6f586f main
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x6f586f)
> #16 0x7fcb0ec7cec5 __libc_start_main
> (/lib/x86_64-linux-gnu/libc.so.6+0x21ec5)
> #17 0x6f2893 _start
> (/opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7+0x6f2893)
> Stack dump:
> 0. Program arguments:
> /opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang-3.7 -cc1
> -triple amdgcn -S -disable-free -disable-llvm-verifier -main-file-name
> gemm.linked.bc -mrelocation-model static -mthread-model posix
> -mdisable-fp-elim -fmath-errno -no-integrated-as -mconstructor-aliases
> -dwarf-column-info -coverage-file
> /home/rjfn/Desktop/polybench-gpu-1.0/OpenCL/GEMM/gemm.hawaii.s
> -resource-dir
> /opt/clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/../lib/clang/3.7.0
> -fno-dwarf-directory-asm -fdebug-compilation-dir
> /home/rjfn/Desktop/polybench-gpu-1.0/OpenCL/GEMM -ferror-limit 19
> -fmessage-length 0 -mstackrealign -fobjc-runtime=gcc
> -fdiagnostics-show-option -o gemm.hawaii.s -x ir gemm.linked.bc
> clang-3.7: error: unable to execute command: Segmentation fault (core
> dumped)
> clang-3.7: error: clang frontend command failed due to signal (use -v to
> see invocation)
> clang version 3.7.0 (tags/RELEASE_370/final)
> Target: amdgcn
> Thread model: posix
> clang-3.7: note: diagnostic msg: PLEASE submit a bug report to
> http://llvm.org/bugs/ and include the crash backtrace, preprocessed source,
> and associated run script.
> clang-3.7: note: diagnostic msg: Error generating preprocessed source(s) -
> no preprocessable inputs.
>
> What I'm I doing wrong?
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