fcmp-xo.ll
3.39 KB
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=thumbv7m-arm-none-eabi -mattr=+execute-only,+fp-armv8 | FileCheck %s --check-prefixes=CHECK,VMOVSR
; RUN: llc < %s -mtriple=thumbv7m-arm-none-eabi -mattr=+execute-only,+fp-armv8,+neon,+neonfp | FileCheck %s --check-prefixes=CHECK,NEON
define arm_aapcs_vfpcc float @foo0(float %a0) local_unnamed_addr {
; CHECK-LABEL: foo0:
; CHECK: @ %bb.0:
; CHECK-NEXT: vcmp.f32 s0, #0
; CHECK-NEXT: vmov.f32 s2, #5.000000e-01
; CHECK-NEXT: vmrs APSR_nzcv, fpscr
; CHECK-NEXT: vmov.f32 s4, #-5.000000e-01
; CHECK-NEXT: it mi
; CHECK-NEXT: vmovmi.f32 s2, s4
; CHECK-NEXT: vmov.f32 s0, s2
; CHECK-NEXT: bx lr
%1 = fcmp nsz olt float %a0, 0.000000e+00
%2 = select i1 %1, float -5.000000e-01, float 5.000000e-01
ret float %2
}
define arm_aapcs_vfpcc float @float1(float %a0) local_unnamed_addr {
; CHECK-LABEL: float1:
; CHECK: @ %bb.0: @ %.end
; CHECK-NEXT: vmov.f32 s2, #1.000000e+00
; CHECK-NEXT: vmov.f32 s4, #5.000000e-01
; CHECK-NEXT: vmov.f32 s6, #-5.000000e-01
; CHECK-NEXT: vcmp.f32 s2, s0
; CHECK-NEXT: vmrs APSR_nzcv, fpscr
; CHECK-NEXT: vselgt.f32 s0, s6, s4
; CHECK-NEXT: bx lr
br i1 undef, label %.end, label %1
%2 = fcmp nsz olt float %a0, 1.000000e+00
%3 = select i1 %2, float -5.000000e-01, float 5.000000e-01
br label %.end
.end:
%4 = phi float [ undef, %0 ], [ %3, %1]
ret float %4
}
define arm_aapcs_vfpcc float @float128(float %a0) local_unnamed_addr {
; VMOVSR-LABEL: float128:
; VMOVSR: @ %bb.0:
; VMOVSR-NEXT: mov.w r0, #1124073472
; VMOVSR-NEXT: vmov.f32 s4, #5.000000e-01
; VMOVSR-NEXT: vmov s2, r0
; VMOVSR-NEXT: vmov.f32 s6, #-5.000000e-01
; VMOVSR-NEXT: vcmp.f32 s2, s0
; VMOVSR-NEXT: vmrs APSR_nzcv, fpscr
; VMOVSR-NEXT: vselgt.f32 s0, s6, s4
; VMOVSR-NEXT: bx lr
;
; NEON-LABEL: float128:
; NEON: @ %bb.0:
; NEON-NEXT: mov.w r0, #1124073472
; NEON-NEXT: vmov.f32 s2, #5.000000e-01
; NEON-NEXT: vmov d3, r0, r0
; NEON-NEXT: vmov.f32 s4, #-5.000000e-01
; NEON-NEXT: vcmp.f32 s6, s0
; NEON-NEXT: vmrs APSR_nzcv, fpscr
; NEON-NEXT: vselgt.f32 s0, s4, s2
; NEON-NEXT: bx lr
%1 = fcmp nsz olt float %a0, 128.000000e+00
%2 = select i1 %1, float -5.000000e-01, float 5.000000e-01
ret float %2
}
define arm_aapcs_vfpcc double @double1(double %a0) local_unnamed_addr {
; CHECK-LABEL: double1:
; CHECK: @ %bb.0:
; CHECK-NEXT: vmov.f64 d18, #1.000000e+00
; CHECK-NEXT: vcmp.f64 d18, d0
; CHECK-NEXT: vmrs APSR_nzcv, fpscr
; CHECK-NEXT: vmov.f64 d16, #5.000000e-01
; CHECK-NEXT: vmov.f64 d17, #-5.000000e-01
; CHECK-NEXT: vselgt.f64 d0, d17, d16
; CHECK-NEXT: bx lr
%1 = fcmp nsz olt double %a0, 1.000000e+00
%2 = select i1 %1, double -5.000000e-01, double 5.000000e-01
ret double %2
}
define arm_aapcs_vfpcc double @double128(double %a0) local_unnamed_addr {
; CHECK-LABEL: double128:
; CHECK: @ %bb.0:
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: movt r0, #16480
; CHECK-NEXT: vmov.f64 d16, #5.000000e-01
; CHECK-NEXT: vmov d18, r1, r0
; CHECK-NEXT: vcmp.f64 d18, d0
; CHECK-NEXT: vmrs APSR_nzcv, fpscr
; CHECK-NEXT: vmov.f64 d17, #-5.000000e-01
; CHECK-NEXT: vselgt.f64 d0, d17, d16
; CHECK-NEXT: bx lr
%1 = fcmp nsz olt double %a0, 128.000000e+00
%2 = select i1 %1, double -5.000000e-01, double 5.000000e-01
ret double %2
}