https://llvm.org/bugs/show_bug.cgi?id=26898
Bug ID: 26898
Summary: [amdgcn--amdhsa] AMDGPUAsmPrinter::EmitGlobalVariable
unknown linkage type
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: zhenlinospi...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 16017
--> https://llvm.org/bugs/attachment.cgi?id=16017&action=edit
reduced case for the bug
Dear developer,
I compiled the OpenCL kernel with the libclc(Commit d2b49f)+llvm trunk. There
is something like a lookup table in addrspace(2) used by exp.
The llc will crash when handling this case. The command I issue is
llc -mtriple=amdgcn--amdhsa -filetype=asm test.ll -o test.s.
The message I got is
unknown linkage type
UNREACHABLE executed at
/home/phi/compiler/llvm-trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp:142!
#0 0x0000000000fa9535 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/usr/local/bin/llc+0xfa9535)
#1 0x0000000000fa72e6 llvm::sys::RunSignalHandlers()
(/usr/local/bin/llc+0xfa72e6)
#2 0x0000000000fa7511 SignalHandler(int) (/usr/local/bin/llc+0xfa7511)
#3 0x00007f076de90340 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x10340)
#4 0x00007f076d2becc9 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x36cc9)
#5 0x00007f076d2c20d8 abort (/lib/x86_64-linux-gnu/libc.so.6+0x3a0d8)
#6 0x0000000000f64a6c (/usr/local/bin/llc+0xf64a6c)
#7 0x000000000074e313
llvm::AMDGPUAsmPrinter::EmitGlobalVariable(llvm::GlobalVariable const*)
(/usr/local/bin/llc+0x74e313)
#8 0x000000000091558f llvm::AsmPrinter::doFinalization(llvm::Module&)
(/usr/local/bin/llc+0x91558f)
#9 0x0000000000c6d60b llvm::FPPassManager::doFinalization(llvm::Module&)
(/usr/local/bin/llc+0xc6d60b)
#10 0x0000000000c77927 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/usr/local/bin/llc+0xc77927)
#11 0x00000000005b212b compileModule(char**, llvm::LLVMContext&)
(/usr/local/bin/llc+0x5b212b)
#12 0x0000000000593358 main (/usr/local/bin/llc+0x593358)
#13 0x00007f076d2a9ec5 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21ec5)
#14 0x00000000005aa1ba _start (/usr/local/bin/llc+0x5aa1ba)
Stack dump:
0. Program arguments: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri
-filetype=asm bugpoint-reduced-simplified.bc -o x.s
The bugpoint-reduced case is attached.
Thanks.
Best regards,
Li, Hong-Yu
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