You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.2 KiB
76 lines
2.2 KiB
4 months ago
|
; 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: mov w[[IN64:[0-9]+]], w0
|
||
|
; CHECK: fmov d0, x[[IN64]]
|
||
|
; 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
|