[llvm-bugs] [Bug 47974] New: SIShrinkInstructions.cpp causes warning with Visual Studio 2019 on Windows 7

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https://bugs.llvm.org/show_bug.cgi?id=47974

            Bug ID: 47974
           Summary: SIShrinkInstructions.cpp causes warning with Visual
                    Studio 2019 on Windows 7
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: AMDGPU
          Assignee: unassignedbugs at nondot.org
          Reporter: paul at windfall.com
                CC: llvm-bugs at lists.llvm.org

I am building LLVM with Microsoft Visual Studio 2019. The following line in
SIShrinkInstructions.cpp produces a warning, which is treated as an error.

      if (Size > 1 && (I->getNumImplicitOperands() > (I->isCopy() ? 0 : 1)))

produces

...SIShrinkInstructions.cpp(551): warning C4018: '>': signed/unsigned mismatch

The problem is fixed by using 0U and 1U.

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