File: insert-skips-kill-uncond.mir

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 (40 lines) | stat: -rw-r--r-- 889 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
# RUN: llc -march=amdgcn -mcpu=polaris10 -run-pass si-insert-skips -amdgpu-skip-threshold=1 %s -o - | FileCheck %s
# https://bugs.freedesktop.org/show_bug.cgi?id=99019
--- |
  define amdgpu_ps void @kill_uncond_branch() {
    ret void
  }
...
---

# CHECK-LABEL: name: kill_uncond_branch

# CHECK: bb.0:
# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit $vcc

# CHECK: bb.1:
# CHECK: V_CMPX_LE_F32_e32
# CHECK-NEXT: S_CBRANCH_EXECNZ %bb.2, implicit $exec

# CHECK: bb.3:
# CHECK-NEXT: EXP_DONE
# CHECK: S_ENDPGM 0

# CHECK: bb.2:
# CHECK: S_ENDPGM 0

name: kill_uncond_branch

body: |
  bb.0:
    successors: %bb.1
    S_CBRANCH_VCCNZ %bb.1, implicit $vcc

  bb.1:
    successors: %bb.2
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    SI_KILL_F32_COND_IMM_TERMINATOR $vgpr0, 0, 3, implicit-def $exec, implicit-def $vcc, implicit-def $scc, implicit $exec
    S_BRANCH %bb.2

  bb.2:
    S_ENDPGM 0