[AArch64] Use isAllOnes rather than popcount() == Size (NFC)

[AZero13]

No description provided.

[llvmbot]

@llvm/pr-subscribers-backend-aarch64

Author: AZero13 (AZero13)

Changes

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Full diff: https://github.com/llvm/llvm-project/pull/167884.diff

1 Files Affected:

• (modified) llvm/lib/Target/AArch64/AArch64ISelLowering.cpp (+1-1)

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index 7b51f453b4974..5b24ee302de5c 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -2556,7 +2556,7 @@ bool AArch64TargetLowering::targetShrinkDemandedConstant( return false; // Exit early if we demand all bits. - if (DemandedBits.popcount() == Size) + if (DemandedBits.isAllOnes()) return false; unsigned NewOpc;