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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=-neon < %s | FileCheck %s
; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=-neon -mattr=+cssc < %s | FileCheck %s -check-prefix=CHECK-CSSC
declare i128 @llvm.ctpop.i128(i128)
define i128 @ctpop_i128(i128 %i) {
; CHECK-LABEL: ctpop_i128:
; CHECK: // %bb.0:
; CHECK-NEXT: lsr x9, x0, #1
; CHECK-NEXT: lsr x10, x1, #1
; CHECK-NEXT: mov x8, #72340172838076673 // =0x101010101010101
; CHECK-NEXT: and x9, x9, #0x5555555555555555
; CHECK-NEXT: and x10, x10, #0x5555555555555555
; CHECK-NEXT: sub x9, x0, x9
; CHECK-NEXT: sub x10, x1, x10
; CHECK-NEXT: mov x1, xzr
; CHECK-NEXT: lsr x11, x9, #2
; CHECK-NEXT: lsr x12, x10, #2
; CHECK-NEXT: and x9, x9, #0x3333333333333333
; CHECK-NEXT: and x10, x10, #0x3333333333333333
; CHECK-NEXT: and x11, x11, #0x3333333333333333
; CHECK-NEXT: add x9, x9, x11
; CHECK-NEXT: and x11, x12, #0x3333333333333333
; CHECK-NEXT: add x9, x9, x9, lsr #4
; CHECK-NEXT: add x10, x10, x11
; CHECK-NEXT: add x10, x10, x10, lsr #4
; CHECK-NEXT: and x9, x9, #0xf0f0f0f0f0f0f0f
; CHECK-NEXT: mul x9, x9, x8
; CHECK-NEXT: and x10, x10, #0xf0f0f0f0f0f0f0f
; CHECK-NEXT: mul x8, x10, x8
; CHECK-NEXT: lsr x9, x9, #56
; CHECK-NEXT: add x0, x9, x8, lsr #56
; CHECK-NEXT: ret
;
; CHECK-CSSC-LABEL: ctpop_i128:
; CHECK-CSSC: // %bb.0:
; CHECK-CSSC-NEXT: cnt x8, x1
; CHECK-CSSC-NEXT: cnt x9, x0
; CHECK-CSSC-NEXT: mov x1, xzr
; CHECK-CSSC-NEXT: add x0, x9, x8
; CHECK-CSSC-NEXT: ret
%c = call i128 @llvm.ctpop.i128(i128 %i)
ret i128 %c
}
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