File: twoaddr-regsequence.mir

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 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 (24 lines) | stat: -rw-r--r-- 907 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=liveintervals,twoaddressinstruction,register-coalescer -verify-machineinstrs -o - %s | FileCheck %s

# Check that LiveIntervals are correctly updated when eliminating REG_SEQUENCE.
---
name: f
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; CHECK-LABEL: name: f
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: undef [[COPY:%[0-9]+]].sub0:vreg_64 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY:%[0-9]+]].sub1:vreg_64 = COPY $vgpr1
    ; CHECK-NEXT: $vgpr2_vgpr3 = COPY [[COPY]]
    ; CHECK-NEXT: S_NOP 0, implicit $vgpr2_vgpr3
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    %35:vreg_64 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1
    $vgpr2_vgpr3 = COPY %35
    S_NOP 0, implicit $vgpr2_vgpr3
...