1 ; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s 2 3 define 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 13 define 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 26 define 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 34 define 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 42 declare i32 @llvm.ctpop.i32(i32) nounwind readnone 43 declare i64 @llvm.ctpop.i64(i64) nounwind readnone 44
