[llvm-bugs] [Bug 33048] New: Hexagon check has a bunch of machine verifier errors

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Mon May 15 11:40:12 PDT 2017


            Bug ID: 33048
           Summary: Hexagon check has a bunch of machine verifier errors
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: Hexagon
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: llvm-bugs at lists.llvm.org
            Blocks: 32146

Enabling machine code verification with EXPENSIVE_CHECKS
(https://reviews.llvm.org/D30625) causes a number of machine verifier errors
with `ninja check-codegen-hexagon`:

Failing Tests (4):
    LLVM :: CodeGen/Hexagon/eliminate-pred-spill.ll
    LLVM :: CodeGen/Hexagon/reg-scavengebug-3.ll
    LLVM :: CodeGen/Hexagon/reg-scavenger-valid-slot.ll
    LLVM :: CodeGen/Hexagon/vec-pred-spill1.ll

Referenced Bugs:

[Bug 32146] Enable -verify-machineinstrs with EXPENSIVE_CHECKS
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