[llvm-bugs] [Bug 31240] New: An LLVM commit broke our Cuda reduction code (wrong answer)

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=31240

            Bug ID: 31240
           Summary: An LLVM commit broke our Cuda reduction code (wrong
                    answer)
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: CUDA
          Assignee: unassignedclangbugs at nondot.org
          Reporter: crtrott at sandia.gov
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

In our Kokkos unit tests (github.com/kokkos/kokkos) we had at some point
everything working for compilation of the Cuda backend with clang. 
With the current head our reduction tests fail again. 
I tracked it down to this commit:

Codegen: Tail-duplicate during placement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283934
91177308-0d34-0410-b5e6-96231b3b80d8

I.e. this works:
Clang: 204eb555222d86837d865007c1526018e391bf67
LLVM: 6f185f662a9dc692c12417784c9756bc3212cde8

And this Fails:
Clang: 204eb555222d86837d865007c1526018e391bf67
LLVM: 2a18018c101b6b4f40049a2ab951cda505074970

(I am using github.com/llvm-mirror)

I don't have a trivial reproducer right now.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20161202/630a9fe4/attachment.html>