File: fp-fast.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (106 lines) | stat: -rw-r--r-- 2,468 bytes parent folder | download | duplicates (2)
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
101
102
103
104
105
106
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=avx -enable-unsafe-fp-math --enable-no-nans-fp-math < %s | FileCheck %s

define float @test1(float %a) {
; CHECK-LABEL: test1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmulss {{.*}}(%rip), %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fadd float %a, %a
  %r = fadd float %t1, %t1
  ret float %r
}

define float @test2(float %a) {
; CHECK-LABEL: test2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmulss {{.*}}(%rip), %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fmul float 4.0, %a
  %t2 = fadd float %a, %a
  %r = fadd float %t1, %t2
  ret float %r
}

define float @test3(float %a) {
; CHECK-LABEL: test3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmulss {{.*}}(%rip), %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fmul float %a, 4.0
  %t2 = fadd float %a, %a
  %r = fadd float %t1, %t2
  ret float %r
}

define float @test4(float %a) {
; CHECK-LABEL: test4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmulss {{.*}}(%rip), %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fadd float %a, %a
  %t2 = fmul float 4.0, %a
  %r = fadd float %t1, %t2
  ret float %r
}

define float @test5(float %a) {
; CHECK-LABEL: test5:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmulss {{.*}}(%rip), %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fadd float %a, %a
  %t2 = fmul float %a, 4.0
  %r = fadd float %t1, %t2
  ret float %r
}

define float @test6(float %a) {
; CHECK-LABEL: test6:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fmul float 2.0, %a
  %t2 = fadd float %a, %a
  %r = fsub float %t1, %t2
  ret float %r
}

define float @test7(float %a) {
; CHECK-LABEL: test7:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fmul float %a, 2.0
  %t2 = fadd float %a, %a
  %r = fsub float %t1, %t2
  ret float %r
}

define float @test8(float %a) {
; CHECK-LABEL: test8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    retq
  %t1 = fmul float %a, 0.0
  %t2 = fadd float %a, %t1
  ret float %t2
}

define float @test9(float %a) {
; CHECK-LABEL: test9:
; CHECK:       # %bb.0:
; CHECK-NEXT:    retq
  %t1 = fmul float 0.0, %a
  %t2 = fadd float %t1, %a
  ret float %t2
}

define float @test10(float %a) {
; CHECK-LABEL: test10:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT:    retq
  %t1 = fsub float -0.0, %a
  %t2 = fadd float %a, %t1
  ret float %t2
}