[llvm] [AArch64] Runtime-unroll small load/store loops for Apple Silicon CPUs. (PR #118317)
Jon Roelofs via llvm-commits
llvm-commits at lists.llvm.org
Mon Dec 2 09:10:56 PST 2024
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@@ -4010,6 +4094,12 @@ void AArch64TTIImpl::getUnrollingPreferences(Loop *L, ScalarEvolution &SE,
EnableFalkorHWPFUnrollFix)
getFalkorUnrollingPreferences(L, SE, UP);
+ if (ST->getProcFamily() == AArch64Subtarget::AppleA14 ||
+ ST->getProcFamily() == AArch64Subtarget::AppleA15 ||
+ ST->getProcFamily() == AArch64Subtarget::AppleA16 ||
+ ST->getProcFamily() == AArch64Subtarget::AppleM4)
+ getAppleRuntimeUnrollPreferences(L, SE, UP, *this);
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jroelofs wrote:
Mind doing a switch instead? Each time we add one, it'll be a one-line addition, instead of a `-+`, and it's a bit more friendly to having non-upstream ones.
https://github.com/llvm/llvm-project/pull/118317
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