[llvm] [GlobalIsel][AArch64] more legal icmps (PR #78239)

[David Green via llvm-commits]

Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/78239 at github.com>


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@@ -863,6 +867,7 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
           },
           0, s8)
       .minScalarOrElt(0, s8) // Worst case, we need at least s8.
+      .moreElementsToNextPow2(1)
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davemgreen wrote:

I see, because they extract a single lane for the tests. It sounds harmless enough to keep then.

https://github.com/llvm/llvm-project/pull/78239