[llvm-bugs] [Bug 43444] New: When double hyperbolic and trigonometric functions are combined in a single kernel the compiler hangs

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43444

            Bug ID: 43444
           Summary: When double hyperbolic and trigonometric functions are
                    combined in a single kernel the compiler hangs
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: OpenCL
          Assignee: unassignedclangbugs at nondot.org
          Reporter: kolan_n at mail.ru
                CC: anastasia.stulova at arm.com, llvm-bugs at lists.llvm.org

Created attachment 22570
  --> https://bugs.llvm.org/attachment.cgi?id=22570&action=edit
test.cl

When compiling a kernel dealing to complex math I had encountered a problem
that the compiler hangs. It hangs when llvm-based runtimes are used, no matter
cpu or gpu based. The problem is reproduced (on my machine) in both llvm-8 and
llvm-10 based runtimes, more precisely cpu and gpu llvm-8 Mesa Clover runtimes
installed from Ubuntu disco packages and llvm-10-based (llvm-10 and clang-10
are installed from apt.llvm.org) self-compiled pocl (with the patches making it
compatible to llvm 10).

On Windows the kernels have been built successfully using AMD APP SDK (I
haven't tried pocl).

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