1; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s 2; RUN: llc < %s -march=aarch64 -mattr -neon -aarch64-neon-syntax=apple | FileCheck -check-prefix=CHECK-NONEON %s 3 4define i32 @cnt32_advsimd(i32 %x) nounwind readnone { 5 %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) 6 ret i32 %cnt 7; CHECK: mov w[[IN64:[0-9]+]], w0 8; CHECK: fmov d0, x[[IN64]] 9; CHECK: cnt.8b v0, v0 10; CHECK: uaddlv.8b h0, v0 11; CHECK: fmov w0, s0 12; CHECK: ret 13; CHECK-NONEON-LABEL: cnt32_advsimd 14; CHECK-NONEON-NOT: 8b 15; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x55555555 16; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x33333333 17; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0xf0f0f0f 18; CHECK-NONEON: mul 19} 20 21define i32 @cnt32_advsimd_2(<2 x i32> %x) { 22 %1 = extractelement <2 x i32> %x, i64 0 23 %2 = tail call i32 @llvm.ctpop.i32(i32 %1) 24 ret i32 %2 25; CHECK: fmov w0, s0 26; CHECK: fmov d0, x0 27; CHECK: cnt.8b v0, v0 28; CHECK: uaddlv.8b h0, v0 29; CHECK: fmov w0, s0 30; CHECK: ret 31; CHECK-NONEON-LABEL: cnt32_advsimd_2 32; CHECK-NONEON-NOT: 8b 33; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x55555555 34; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x33333333 35; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0xf0f0f0f 36; CHECK-NONEON: mul 37} 38 39define i64 @cnt64_advsimd(i64 %x) nounwind readnone { 40 %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) 41 ret i64 %cnt 42; CHECK: fmov d0, x0 43; CHECK: cnt.8b v0, v0 44; CHECK: uaddlv.8b h0, v0 45; CHECK: fmov w0, s0 46; CHECK: ret 47; CHECK-NONEON-LABEL: cnt64_advsimd 48; CHECK-NONEON-NOT: 8b 49; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0x5555555555555555 50; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0x3333333333333333 51; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0xf0f0f0f0f0f0f0f 52; CHECK-NONEON: mul 53} 54 55; Do not use AdvSIMD when -mno-implicit-float is specified. 56; rdar://9473858 57 58define i32 @cnt32(i32 %x) nounwind readnone noimplicitfloat { 59 %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) 60 ret i32 %cnt 61; CHECK-LABEL: cnt32: 62; CHECK-NOT: 16b 63; CHECK: ret 64} 65 66define i64 @cnt64(i64 %x) nounwind readnone noimplicitfloat { 67 %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) 68 ret i64 %cnt 69; CHECK-LABEL: cnt64: 70; CHECK-NOT: 16b 71; CHECK: ret 72} 73 74declare i32 @llvm.ctpop.i32(i32) nounwind readnone 75declare i64 @llvm.ctpop.i64(i64) nounwind readnone 76