1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch64 --mattr=+lsx < %s | FileCheck %s
;; fsqrt
define void @sqrt_v4f32(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: sqrt_v4f32:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vld $vr0, $a1, 0
; CHECK-NEXT: vfsqrt.s $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <4 x float>, ptr %a0, align 16
%sqrt = call <4 x float> @llvm.sqrt.v4f32 (<4 x float> %v0)
store <4 x float> %sqrt, ptr %res, align 16
ret void
}
define void @sqrt_v2f64(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: sqrt_v2f64:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vld $vr0, $a1, 0
; CHECK-NEXT: vfsqrt.d $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <2 x double>, ptr %a0, align 16
%sqrt = call <2 x double> @llvm.sqrt.v2f64 (<2 x double> %v0)
store <2 x double> %sqrt, ptr %res, align 16
ret void
}
;; 1.0 / (fsqrt vec)
define void @one_div_sqrt_v4f32(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: one_div_sqrt_v4f32:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vld $vr0, $a1, 0
; CHECK-NEXT: vfrsqrt.s $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <4 x float>, ptr %a0, align 16
%sqrt = call <4 x float> @llvm.sqrt.v4f32 (<4 x float> %v0)
%div = fdiv <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt
store <4 x float> %div, ptr %res, align 16
ret void
}
define void @one_div_sqrt_v2f64(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: one_div_sqrt_v2f64:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: vld $vr0, $a1, 0
; CHECK-NEXT: vfrsqrt.d $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <2 x double>, ptr %a0, align 16
%sqrt = call <2 x double> @llvm.sqrt.v2f64 (<2 x double> %v0)
%div = fdiv <2 x double> <double 1.0, double 1.0>, %sqrt
store <2 x double> %div, ptr %res, align 16
ret void
}
declare <4 x float> @llvm.sqrt.v4f32(<4 x float>)
declare <2 x double> @llvm.sqrt.v2f64(<2 x double>)
|
