[llvm-bugs] [Bug 29113] New: LLVM doesn't fold fadd on ppc_fp128 correctly

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=29113

            Bug ID: 29113
           Summary: LLVM doesn't fold fadd on ppc_fp128 correctly
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs at nondot.org
          Reporter: timshen91 at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17033
  --> https://llvm.org/bugs/attachment.cgi?id=17033&action=edit
Reduced test case

Constant folding on ppc_fp128 seems wrong, since the hardware makes the
attached program return 0 (not reproducible with the .ll file, but with the .cc
file), while the backend folds it to 0.

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