[LLVMbugs] [Bug 14513] New: Fast-math transform pass

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=14513

             Bug #: 14513
           Summary: Fast-math transform pass
           Product: libraries
           Version: 3.1
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: josh.klontz at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


It would be nice to have a the ability to apply fast-math optimizations at the
IR level to optimize out instructions like:
%accumulate = fadd double %6, 0.000000e+00

API support in IRBuilder and/or additions to InstCombine pass seem like good
candidates.

See this email chain for reference:
http://llvm.1065342.n5.nabble.com/Which-transform-passes-to-apply-td52111.html

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