1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=-neon < %s | FileCheck %s 3; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=-neon -mattr=+cssc < %s | FileCheck %s -check-prefix=CHECK-CSSC 4 5declare i128 @llvm.ctpop.i128(i128) 6 7define i128 @ctpop_i128(i128 %i) { 8; CHECK-LABEL: ctpop_i128: 9; CHECK: // %bb.0: 10; CHECK-NEXT: lsr x9, x0, #1 11; CHECK-NEXT: lsr x10, x1, #1 12; CHECK-NEXT: mov x8, #72340172838076673 // =0x101010101010101 13; CHECK-NEXT: and x9, x9, #0x5555555555555555 14; CHECK-NEXT: and x10, x10, #0x5555555555555555 15; CHECK-NEXT: sub x9, x0, x9 16; CHECK-NEXT: sub x10, x1, x10 17; CHECK-NEXT: mov x1, xzr 18; CHECK-NEXT: lsr x11, x9, #2 19; CHECK-NEXT: lsr x12, x10, #2 20; CHECK-NEXT: and x9, x9, #0x3333333333333333 21; CHECK-NEXT: and x10, x10, #0x3333333333333333 22; CHECK-NEXT: and x11, x11, #0x3333333333333333 23; CHECK-NEXT: add x9, x9, x11 24; CHECK-NEXT: and x11, x12, #0x3333333333333333 25; CHECK-NEXT: add x9, x9, x9, lsr #4 26; CHECK-NEXT: add x10, x10, x11 27; CHECK-NEXT: add x10, x10, x10, lsr #4 28; CHECK-NEXT: and x9, x9, #0xf0f0f0f0f0f0f0f 29; CHECK-NEXT: mul x9, x9, x8 30; CHECK-NEXT: and x10, x10, #0xf0f0f0f0f0f0f0f 31; CHECK-NEXT: mul x8, x10, x8 32; CHECK-NEXT: lsr x9, x9, #56 33; CHECK-NEXT: add x0, x9, x8, lsr #56 34; CHECK-NEXT: ret 35; 36; CHECK-CSSC-LABEL: ctpop_i128: 37; CHECK-CSSC: // %bb.0: 38; CHECK-CSSC-NEXT: cnt x8, x1 39; CHECK-CSSC-NEXT: cnt x9, x0 40; CHECK-CSSC-NEXT: mov x1, xzr 41; CHECK-CSSC-NEXT: add x0, x9, x8 42; CHECK-CSSC-NEXT: ret 43 %c = call i128 @llvm.ctpop.i128(i128 %i) 44 ret i128 %c 45} 46