File: ifcvt-common-kill.mir

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (34 lines) | stat: -rw-r--r-- 940 bytes parent folder | download | duplicates (22) 
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
 
# RUN: llc -march=hexagon -run-pass if-converter -o - %s -verify-machineinstrs | FileCheck %s

# CHECK: $r26 = A2_tfr $r1
# CHECK: S2_pstorerhf_io undef $p0, undef $r0, 0, killed $r1

---
name:            foo
tracksRegLiveness: true
body: |
  bb.0:
    successors: %bb.1, %bb.2
    liveins: $r0, $r1
      J2_jumpf undef $p0, %bb.2, implicit-def $pc

  bb.1:
    successors: %bb.3
    liveins: $r1
      ; This <kill> flag should be cleared. It didn't use to be, because
      ; this instruction is treated as a duplicate of the corresponding
      ; instruction from the "false" block bb.2. Clearing of the <kill>
      ; flags was limited to the non-common part of the "true" block.
      $r26 = A2_tfr killed $r1
      J2_jump %bb.3, implicit-def $pc

  bb.2:
    successors: %bb.3
    liveins: $r1
      $r26 = A2_tfr $r1
      S2_storerh_io undef $r0, 0, killed $r1
      J2_jump %bb.3, implicit-def $pc

  bb.3:
    liveins: $r26
...