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
|
; RUN: llc -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s
; RUN: llc -O0 -global-isel -verify-machineinstrs -mtriple=arm64-apple-darwin %s -o - | FileCheck %s --check-prefix=GISEL
; Materialize using fmov
define float @fmov_float1() {
; CHECK-LABEL: fmov_float1
; CHECK: fmov s0, #1.25000000
; GISEL-LABEL: fmov_float1
; GISEL: fmov s0, #1.25000000
ret float 1.250000e+00
}
define float @fmov_float2() {
; CHECK-LABEL: fmov_float2
; CHECK: fmov s0, wzr
; GISEL-LABEL: fmov_float2
; GISEL: movi d0, #0000000000000000
ret float 0.0e+00
}
define double @fmov_double1() {
; CHECK-LABEL: fmov_double1
; CHECK: fmov d0, #1.25000000
; GISEL-LABEL: fmov_double1
; GISEL: fmov d0, #1.25000000
ret double 1.250000e+00
}
define double @fmov_double2() {
; CHECK-LABEL: fmov_double2
; CHECK: fmov d0, xzr
; GISEL-LABEL: fmov_double2
; GISEL: movi d0, #0000000000000000
ret double 0.0e+00
}
; Materialize from constant pool
define float @cp_float() {
; CHECK-LABEL: cp_float
; CHECK: adrp [[REG:x[0-9]+]], {{lCPI[0-9]+_0}}@PAGE
; CHECK-NEXT: ldr s0, [[[REG]], {{lCPI[0-9]+_0}}@PAGEOFF]
ret float 0x400921FB60000000
}
define double @cp_double() {
; CHECK-LABEL: cp_double
; CHECK: adrp [[REG:x[0-9]+]], {{lCPI[0-9]+_0}}@PAGE
; CHECK-NEXT: ldr d0, [[[REG]], {{lCPI[0-9]+_0}}@PAGEOFF]
ret double 0x400921FB54442D18
}
|
