[llvm-bugs] [Bug 28785] New: 'LLVM ERROR: branch size exceeds simm16' when using libclc/Clover under Blender

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Jul 30 16:16:47 PDT 2016


https://llvm.org/bugs/show_bug.cgi?id=28785

            Bug ID: 28785
           Summary: 'LLVM ERROR: branch size exceeds simm16' when using
                    libclc/Clover under Blender
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: AMDGPU
          Assignee: unassignedbugs at nondot.org
          Reporter: rafael.ristovski at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

When using latest libclc with added vstore_half4 support
(https://github.com/jvesely/libclc/) Blender crashes while compiling the OpenCL
kernels with "LLVM ERROR: branch size exceeds simm16".

Sysinfo:
- Gentoo Linux
- llvm 4.0.0svn (rev. from Jul 22nd)
- libclc master with jvesely's patch to add vstore_half4

I don't really know where to look for more info, comments appreciated.

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