37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=-neon < %s | FileCheck %s
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declare i128 @llvm.ctpop.i128(i128)
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define i128 @ctpop_i128(i128 %i) {
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; CHECK-LABEL: ctpop_i128:
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; CHECK: // %bb.0:
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; CHECK-NEXT: lsr x8, x1, #1
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; CHECK-NEXT: and x8, x8, #0x5555555555555555
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; CHECK-NEXT: sub x8, x1, x8
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; CHECK-NEXT: lsr x10, x0, #1
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; CHECK-NEXT: and x10, x10, #0x5555555555555555
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; CHECK-NEXT: and x11, x8, #0x3333333333333333
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; CHECK-NEXT: lsr x8, x8, #2
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; CHECK-NEXT: sub x10, x0, x10
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; CHECK-NEXT: and x8, x8, #0x3333333333333333
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; CHECK-NEXT: add x8, x11, x8
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; CHECK-NEXT: and x11, x10, #0x3333333333333333
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; CHECK-NEXT: lsr x10, x10, #2
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; CHECK-NEXT: and x10, x10, #0x3333333333333333
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; CHECK-NEXT: add x10, x11, x10
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; CHECK-NEXT: add x8, x8, x8, lsr #4
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; CHECK-NEXT: add x10, x10, x10, lsr #4
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; CHECK-NEXT: mov x9, #72340172838076673
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; CHECK-NEXT: and x8, x8, #0xf0f0f0f0f0f0f0f
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; CHECK-NEXT: and x10, x10, #0xf0f0f0f0f0f0f0f
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; CHECK-NEXT: mul x8, x8, x9
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; CHECK-NEXT: mul x9, x10, x9
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; CHECK-NEXT: lsr x9, x9, #56
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; CHECK-NEXT: add x0, x9, x8, lsr #56
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; CHECK-NEXT: mov x1, xzr
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; CHECK-NEXT: ret
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%c = call i128 @llvm.ctpop.i128(i128 %i)
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ret i128 %c
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}
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