1; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s 2 3define i32 @cnt32_advsimd(i32 %x) nounwind readnone { 4 %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) 5 ret i32 %cnt 6; CHECK: fmov s0, w0 7; CHECK: cnt.8b v0, v0 8; CHECK: uaddlv.8b h0, v0 9; CHECK: fmov w0, s0 10; CHECK: ret 11} 12 13define i64 @cnt64_advsimd(i64 %x) nounwind readnone { 14 %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) 15 ret i64 %cnt 16; CHECK: fmov d0, x0 17; CHECK: cnt.8b v0, v0 18; CHECK: uaddlv.8b h0, v0 19; CHECK: fmov w0, s0 20; CHECK: ret 21} 22 23; Do not use AdvSIMD when -mno-implicit-float is specified. 24; rdar://9473858 25 26define i32 @cnt32(i32 %x) nounwind readnone noimplicitfloat { 27 %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) 28 ret i32 %cnt 29; CHECK-LABEL: cnt32: 30; CHECK-NOT 16b 31; CHECK: ret 32} 33 34define i64 @cnt64(i64 %x) nounwind readnone noimplicitfloat { 35 %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) 36 ret i64 %cnt 37; CHECK-LABEL: cnt64: 38; CHECK-NOT 16b 39; CHECK: ret 40} 41 42declare i32 @llvm.ctpop.i32(i32) nounwind readnone 43declare i64 @llvm.ctpop.i64(i64) nounwind readnone 44