[Bug 66730] New: [LLVM radeonsi] Infinite loop in LLVM backend possible when using "double" arguments

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66730

          Priority: medium
            Bug ID: 66730
          Assignee: dri-devel at lists.freedesktop.org
           Summary: [LLVM radeonsi] Infinite loop in LLVM backend possible
                    when using "double" arguments
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: niels_ole at salscheider-online.de
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 82223
  --> https://bugs.freedesktop.org/attachment.cgi?id=82223&action=edit
testcase

Some expressions containing multiple double precision kernel arguments cause
llvm to run until all memory is used. It works fine as long as I pass pointers
to double values.

I have attached an LLVM IR testcase that triggers the described behaviour.

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