File: arm64-fast-isel-materialize.ll

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (41 lines) | stat: -rw-r--r-- 1,058 bytes parent folder | download | duplicates (6)
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
; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s

; Materialize using fmov
define float @fmov_float1() {
; CHECK-LABEL: fmov_float1
; CHECK:       fmov s0, #1.25000000
  ret float 1.250000e+00
}

define float @fmov_float2() {
; CHECK-LABEL: fmov_float2
; CHECK:       fmov s0, wzr
  ret float 0.0e+00
}

define double @fmov_double1() {
; CHECK-LABEL: fmov_double1
; CHECK:       fmov d0, #1.25000000
  ret double 1.250000e+00
}

define double @fmov_double2() {
; CHECK-LABEL: fmov_double2
; CHECK:       fmov d0, xzr
  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
}