[llvm-bugs] [Bug 32868] New: Mips accesses MachineFrameInfo::getMaxCallFrameSize() before it is computed

via llvm-bugs llvm-bugs at lists.llvm.org
Mon May 1 13:00:09 PDT 2017


            Bug ID: 32868
           Summary: Mips accesses MachineFrameInfo::getMaxCallFrameSize()
                    before it is computed
           Product: libraries
           Version: 4.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: MIPS
          Assignee: unassignedbugs at nondot.org
          Reporter: matze at braunis.de
                CC: llvm-bugs at lists.llvm.org

https://reviews.llvm.org/D32570 is adding infrastructure to detect
whetherMachineFrameInfo::MaxCallFrameSize is queried before it is computed.
This fails the following tests blocking the `assert` in the patch to be

    LLVM :: CodeGen/Mips/dynamic-stack-realignment.ll
    LLVM :: CodeGen/Mips/emergency-spill-slot-near-fp.ll
    LLVM :: CodeGen/Mips/msa/3r_splat.ll
    LLVM :: CodeGen/Mips/msa/frameindex.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-s1704963983.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-s1935737938.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-s3861334421.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-s3997499501.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-s525530439.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-s997348632.ll
    LLVM :: CodeGen/Mips/msa/llvm-stress-sz1-s742806235.ll
    LLVM :: CodeGen/Mips/return-vector.ll
    LLVM :: CodeGen/Mips/selectiondag-optlevel.ll

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