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; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
; RUN: llc < %s -march=aarch64 -mattr -neon -aarch64-neon-syntax=apple | FileCheck -check-prefix=CHECK-NONEON %s
define i32 @cnt32_advsimd(i32 %x) nounwind readnone {
%cnt = tail call i32 @llvm.ctpop.i32(i32 %x)
ret i32 %cnt
; CHECK: ubfx x{{[0-9]+}}
; CHECK: fmov d0, x{{[0-9]+}}
; CHECK: cnt.8b v0, v0
; CHECK: uaddlv.8b h0, v0
; CHECK: fmov w0, s0
; CHECK: ret
; CHECK-NONEON-LABEL: cnt32_advsimd
; CHECK-NONEON-NOT: 8b
; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x55555555
; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x33333333
; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0xf0f0f0f
; CHECK-NONEON: mul
}
define i32 @cnt32_advsimd_2(<2 x i32> %x) {
%1 = extractelement <2 x i32> %x, i64 0
%2 = tail call i32 @llvm.ctpop.i32(i32 %1)
ret i32 %2
; CHECK: fmov w0, s0
; CHECK: fmov d0, x0
; CHECK: cnt.8b v0, v0
; CHECK: uaddlv.8b h0, v0
; CHECK: fmov w0, s0
; CHECK: ret
; CHECK-NONEON-LABEL: cnt32_advsimd_2
; CHECK-NONEON-NOT: 8b
; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x55555555
; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0x33333333
; CHECK-NONEON: and w{{[0-9]+}}, w{{[0-9]+}}, #0xf0f0f0f
; CHECK-NONEON: mul
}
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
; CHECK-NONEON-LABEL: cnt64_advsimd
; CHECK-NONEON-NOT: 8b
; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0x5555555555555555
; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0x3333333333333333
; CHECK-NONEON: and x{{[0-9]+}}, x{{[0-9]+}}, #0xf0f0f0f0f0f0f0f
; CHECK-NONEON: mul
}
; 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
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