File: insert-branch-w32.mir

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (46 lines) | stat: -rw-r--r-- 1,350 bytes parent folder | download | duplicates (5)
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
# RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s
# RUN: llc -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s

# Designed to provoke calling SIInstrInfo::insertBranch in wave32 mode
# The implicit $vcc operand should be $vcc_lo in this case

...
# CHECK-LABEL: bb.1:
# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo

name:            _amdgpu_cs_main
body:             |
  bb.0:
    $vgpr1 = V_MOV_B32_e32 1050, implicit $exec
    $sgpr0 = S_MOV_B32 1123418112
  bb.1:
    $vgpr0 = COPY killed $vgpr1, implicit $exec
    V_CMP_GT_U32_e32 5, $vgpr1, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
    $vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo, implicit $vcc
    S_BRANCH %bb.2
  
  bb.2:
    $sgpr1 = COPY $sgpr0
    S_BRANCH %bb.1

...

# CHECK-LABEL: bb.1:
# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo
---
name:            _amdgpu_cs_main_undef
body:             |
  bb.0:
    $vgpr1 = V_MOV_B32_e32 1050, implicit $exec
    $sgpr0 = S_MOV_B32 1123418112
  bb.1:
    $vgpr0 = COPY killed $vgpr1, implicit $exec
    S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo, implicit undef $vcc
    S_BRANCH %bb.2
  
  bb.2:
    $sgpr1 = COPY $sgpr0
    S_BRANCH %bb.1

...