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8b6f2eee07
updating script so that they are more thorough and consistent. Specific fixes here include: - Actually test VEX-encoded AVX mnemonics. - Actually use an SSE 4.1 run to test SSE 4.1 features! - Correctly check instructions sequences from the start of the function. - Elide the shuffle operands and comment designator in a consistent way. - Test all of the architectures instead of just the ones I was motivated to manually author. I've gone back through and fixed up any egregious issues I spotted. Let me know if I missed something you really dislike. One downside to this is that we're now not as diligently using FileCheck variables for registers. I would be much more concerned with this if we had larger register usage, but there just aren't that interesting of register choices here and most of the registers are constrained by the ABI. Ultimately, I don't think this is likely to be the maintenance burden for these tests and updating them again should be staright forward. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218707 91177308-0d34-0410-b5e6-96231b3b80d8
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