| ; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s |
| |
| define i32 @cnt32_advsimd(i32 %x) nounwind readnone { |
| %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) |
| ret i32 %cnt |
| ; CHECK: fmov s0, w0 |
| ; CHECK: cnt.8b v0, v0 |
| ; CHECK: uaddlv.8b h0, v0 |
| ; CHECK: fmov w0, s0 |
| ; CHECK: ret |
| } |
| |
| define i64 @cnt64_advsimd(i64 %x) nounwind readnone { |
| %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) |
| ret i64 %cnt |
| ; CHECK: fmov d0, x0 |
| ; CHECK: cnt.8b v0, v0 |
| ; CHECK: uaddlv.8b h0, v0 |
| ; CHECK: fmov w0, s0 |
| ; CHECK: ret |
| } |
| |
| ; Do not use AdvSIMD when -mno-implicit-float is specified. |
| ; rdar://9473858 |
| |
| define i32 @cnt32(i32 %x) nounwind readnone noimplicitfloat { |
| %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) |
| ret i32 %cnt |
| ; CHECK-LABEL: cnt32: |
| ; CHECK-NOT 16b |
| ; CHECK: ret |
| } |
| |
| define i64 @cnt64(i64 %x) nounwind readnone noimplicitfloat { |
| %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) |
| ret i64 %cnt |
| ; CHECK-LABEL: cnt64: |
| ; CHECK-NOT 16b |
| ; CHECK: ret |
| } |
| |
| declare i32 @llvm.ctpop.i32(i32) nounwind readnone |
| declare i64 @llvm.ctpop.i64(i64) nounwind readnone |
