[Bug 69897] New: OpenCL kernel fails to compile with R600 LLVM backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69897

          Priority: medium
            Bug ID: 69897
          Assignee: dri-devel at lists.freedesktop.org
           Summary: OpenCL kernel fails to compile with R600 LLVM backend
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: greg at chown.ath.cx
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 86758
  --> https://bugs.freedesktop.org/attachment.cgi?id=86758&action=edit
Kernel source code with headers

The attached kernel fails to compile with this error message:

PRT: /home/greg/build/llvm/lib/Target/R600/AMDILCFGStructurizer.cpp:1115: int
<anonymous namespace>::AMDGPUCFGStructurizer::mergeLoop(llvm::MachineLoop *):
Assertion `ExitBlkSet.size() == 1' failed.
Stack dump:
0.    Running pass 'Function Pass Manager' on module 'radeon'.
1.    Running pass 'AMD IL Control Flow Graph structurizer Pass' on function
'@shadow_ao'

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