[llvm-bugs] [Bug 27458] New: Mips make check has a bunch of machine verifier errors

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27458

            Bug ID: 27458
           Summary: Mips make check has a bunch of machine verifier errors
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: MIPS
          Assignee: unassignedbugs at nondot.org
          Reporter: qcolombet at apple.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Switching the machine verifier ON by default (lib/CodeGen/Passes.cpp then
change the default value of the cl::opt related to the machine verifier) leads
to a bunch of machine verifier errors for make check:
    LLVM :: CodeGen/Mips/Fast-ISel/callabi.ll
    LLVM :: CodeGen/Mips/Fast-ISel/fastalloca.ll
    LLVM :: CodeGen/Mips/Fast-ISel/fpcmpa.ll
    LLVM :: CodeGen/Mips/Fast-ISel/memtest1.ll
    LLVM :: CodeGen/Mips/adjust-callstack-sp.ll
    LLVM :: CodeGen/Mips/align16.ll
    LLVM :: CodeGen/Mips/alloca16.ll
    LLVM :: CodeGen/Mips/atomic.ll
    LLVM :: CodeGen/Mips/atomicops.ll
    LLVM :: CodeGen/Mips/brsize3.ll
    LLVM :: CodeGen/Mips/cannot-copy-registers.ll
    LLVM :: CodeGen/Mips/cmplarge.ll
    LLVM :: CodeGen/Mips/dsp-r1.ll
    LLVM :: CodeGen/Mips/ex2.ll
    LLVM :: CodeGen/Mips/extins.ll
    LLVM :: CodeGen/Mips/fpbr.ll
    LLVM :: CodeGen/Mips/hf16call32.ll
    LLVM :: CodeGen/Mips/hf1_body.ll
    LLVM :: CodeGen/Mips/hfptrcall.ll
    LLVM :: CodeGen/Mips/insn-zero-size-bb.ll
    LLVM :: CodeGen/Mips/jtstat.ll
    LLVM :: CodeGen/Mips/largeimmprinting.ll
    LLVM :: CodeGen/Mips/lb1.ll
    LLVM :: CodeGen/Mips/lbu1.ll
    LLVM :: CodeGen/Mips/lcb2.ll
    LLVM :: CodeGen/Mips/lh1.ll
    LLVM :: CodeGen/Mips/lhu1.ll
    LLVM :: CodeGen/Mips/llvm-ir/add.ll
    LLVM :: CodeGen/Mips/llvm-ir/sdiv.ll
    LLVM :: CodeGen/Mips/llvm-ir/select-dbl.ll
    LLVM :: CodeGen/Mips/llvm-ir/select-flt.ll
    LLVM :: CodeGen/Mips/llvm-ir/sqrt.ll
    LLVM :: CodeGen/Mips/llvm-ir/srem.ll
    LLVM :: CodeGen/Mips/llvm-ir/udiv.ll
    LLVM :: CodeGen/Mips/llvm-ir/urem.ll
    LLVM :: CodeGen/Mips/longbranch.ll
    LLVM :: CodeGen/Mips/lw16-base-reg.ll
    LLVM :: CodeGen/Mips/micromips-addiu.ll
    LLVM :: CodeGen/Mips/micromips-addu16.ll
    LLVM :: CodeGen/Mips/micromips-and16.ll
    LLVM :: CodeGen/Mips/micromips-andi.ll
    LLVM :: CodeGen/Mips/micromips-atomic1.ll
    LLVM :: CodeGen/Mips/micromips-compact-branches.ll
    LLVM :: CodeGen/Mips/micromips-delay-slot-jr.ll
    LLVM :: CodeGen/Mips/micromips-delay-slot.ll
    LLVM :: CodeGen/Mips/micromips-gp-rc.ll
    LLVM :: CodeGen/Mips/micromips-jal.ll
    LLVM :: CodeGen/Mips/micromips-load-effective-address.ll
    LLVM :: CodeGen/Mips/micromips-not16.ll
    LLVM :: CodeGen/Mips/micromips-or16.ll
    LLVM :: CodeGen/Mips/micromips-subu16.ll
    LLVM :: CodeGen/Mips/micromips-sw-lw-16.ll
    LLVM :: CodeGen/Mips/micromips-xor16.ll
    LLVM :: CodeGen/Mips/mips16_fpret.ll
    LLVM :: CodeGen/Mips/mips16ex.ll
    LLVM :: CodeGen/Mips/mips16fpe.ll
    LLVM :: CodeGen/Mips/msa/basic_operations.ll
    LLVM :: CodeGen/Mips/msa/basic_operations_float.ll
    LLVM :: CodeGen/Mips/msa/elm_cxcmsa.ll
    LLVM :: CodeGen/Mips/msa/i10.ll
    LLVM :: CodeGen/Mips/msa/vecs10.ll
    LLVM :: CodeGen/Mips/o32_cc.ll
    LLVM :: CodeGen/Mips/optimize-pic-o0.ll
    LLVM :: CodeGen/Mips/return_address.ll
    LLVM :: CodeGen/Mips/select.ll
    LLVM :: CodeGen/Mips/selgt.ll
    LLVM :: CodeGen/Mips/tailcall.ll
    LLVM :: CodeGen/Mips/tnaked.ll

This may be latent bugs.

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