File: vop-shrink-non-ssa.mir

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (40 lines) | stat: -rw-r--r-- 1,304 bytes parent folder | download | duplicates (4)
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 -mtriple=amdgcn -verify-machineinstrs -run-pass si-shrink-instructions -o - %s | FileCheck -check-prefix=GCN %s
...
# GCN-LABEL: name: fold_imm_non_ssa{{$}}
# GCN: %0:vgpr_32 = V_MOV_B32_e32 123, implicit $exec
# GCN: %2:vgpr_32 = V_ADD_CO_U32_e32 456, %0, implicit-def $vcc, implicit $exec

name: fold_imm_non_ssa
tracksRegLiveness: true
registers:
  - { id: 0, class: vgpr_32 }
  - { id: 1, class: vgpr_32 }
  - { id: 2, class: vgpr_32 }
  - { id: 3, class: sreg_64 }
body:             |
  bb.0:
    %0 = COPY undef %0
    %0 = V_MOV_B32_e32 123, implicit $exec
    %1 = V_MOV_B32_e32 456, implicit $exec
    %2, $vcc = V_ADD_CO_U32_e64 %0, %1, 0, implicit $exec
    S_ENDPGM 0

...
# GCN-LABEL: name: fold_partially_defined_superreg{{$}}
# GCN: %1:vgpr_32 = V_MOV_B32_e32 456, implicit $exec
# GCN: %2:vgpr_32 = V_ADD_CO_U32_e32 123, %1, implicit-def $vcc, implicit $exec
name: fold_partially_defined_superreg
tracksRegLiveness: true
registers:
  - { id: 0, class: vgpr_32 }
  - { id: 1, class: vgpr_32 }
  - { id: 2, class: vgpr_32 }
  - { id: 3, class: vreg_64 }
body:             |
  bb.0:
    undef %3.sub0 = V_MOV_B32_e32 123, implicit $exec, implicit-def %3
    %1 = V_MOV_B32_e32 456, implicit $exec
    %2, $vcc = V_ADD_CO_U32_e64 %3.sub0, %1, 0, implicit $exec
    S_ENDPGM 0

...