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b8b4d3e0eb
When initializing an iterator, we may have to step forward to find the first operand that passes the current filter set. When doing that stepping, we should always step one operand at a time, even if this is by-instr or by-bundle iterator, as we're stepping between invalid values, so the stride doesn't make sense there. Fixes a miscompilation of YASM on Win32 reported by Hans Wennborg. I have not yet figured out how to reduce it to something testcase-able, because it's sensitive to the details of how the registers get spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203852 91177308-0d34-0410-b5e6-96231b3b80d8
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