blob: 24b605e9c8c89d0a8dc14a0a3406d47293d9c899 (
plain)
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
; RUN: opt < %s -instcombine -S | FileCheck %s
; This test makes sure that the undef is propagated for the cos instrinsic
declare double @llvm.cos.f64(double %Val)
declare float @llvm.cos.f32(float %Val)
declare <2 x float> @llvm.cos.v2f32(<2 x float> %Val)
declare float @llvm.fabs.f32(float %Val)
declare <2 x float> @llvm.fabs.v2f32(<2 x float> %Val)
; Function Attrs: nounwind readnone
define double @test1() {
; CHECK-LABEL: define double @test1(
; CHECK-NEXT: ret double 0.000000e+00
%1 = call double @llvm.cos.f64(double undef)
ret double %1
}
; Function Attrs: nounwind readnone
define float @test2(float %d) {
; CHECK-LABEL: define float @test2(
; CHECK-NEXT: %cosval = call float @llvm.cos.f32(float %d)
%cosval = call float @llvm.cos.f32(float %d)
%cosval2 = call float @llvm.cos.f32(float undef)
%fsum = fadd float %cosval2, %cosval
ret float %fsum
; CHECK-NEXT: %fsum
; CHECK: ret float %fsum
}
; CHECK-LABEL: @cos_fneg_f32(
; CHECK: %cos = call float @llvm.cos.f32(float %x)
; CHECK-NEXT: ret float %cos
define float @cos_fneg_f32(float %x) {
%x.fneg = fsub float -0.0, %x
%cos = call float @llvm.cos.f32(float %x.fneg)
ret float %cos
}
; FIXME: m_FNeg() doesn't handle vectors
; CHECK-LABEL: @cos_fneg_v2f32(
; CHECK: %x.fneg = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %x
; CHECK-NEXT: %cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fneg)
; CHECK-NEXT: ret <2 x float> %cos
define <2 x float> @cos_fneg_v2f32(<2 x float> %x) {
%x.fneg = fsub <2 x float> <float -0.0, float -0.0>, %x
%cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fneg)
ret <2 x float> %cos
}
; CHECK-LABEL: @cos_fabs_f32(
; CHECK-NEXT: %cos = call float @llvm.cos.f32(float %x)
; CHECK-NEXT: ret float %cos
define float @cos_fabs_f32(float %x) {
%x.fabs = call float @llvm.fabs.f32(float %x)
%cos = call float @llvm.cos.f32(float %x.fabs)
ret float %cos
}
; CHECK-LABEL: @cos_fabs_fneg_f32(
; CHECK: %cos = call float @llvm.cos.f32(float %x)
; CHECK-NEXT: ret float %cos
define float @cos_fabs_fneg_f32(float %x) {
%x.fabs = call float @llvm.fabs.f32(float %x)
%x.fabs.fneg = fsub float -0.0, %x.fabs
%cos = call float @llvm.cos.f32(float %x.fabs.fneg)
ret float %cos
}
; CHECK-LABEL: @cos_fabs_fneg_v2f32(
; CHECK: %x.fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %x)
; CHECK-NEXT: %x.fabs.fneg = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %x.fabs
; CHECK-NEXT: %cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fabs.fneg)
; CHECK-NEXT: ret <2 x float> %cos
define <2 x float> @cos_fabs_fneg_v2f32(<2 x float> %x) {
%x.fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %x)
%x.fabs.fneg = fsub <2 x float> <float -0.0, float -0.0>, %x.fabs
%cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fabs.fneg)
ret <2 x float> %cos
}
|
