llvm/llvm/test/CodeGen/PowerPC/collapse-rotates.mir

# RUN: llc -mtriple=powerpc64le--linux-gnu -start-before ppc-mi-peepholes %s -o - -verify-machineinstrs | FileCheck %s

--- |
  ; ModuleID = 'b.ll'
  source_filename = "b.ll"
  target datalayout = "e-m:e-i64:64-n32:64"
  
  define dso_local i64 @test(i64 %l) {
  entry:
    %shl = shl i64 %l, 3
    ret i64 %shl
  }

...
---
name:            test
alignment:       16
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       
  - { id: 0, class: g8rc, preferred-register: '' }
  - { id: 1, class: g8rc, preferred-register: '' }
  - { id: 2, class: g8rc, preferred-register: '' }
liveins:         
  - { reg: '$x3', virtual-reg: '%0' }
frameInfo:       
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    0
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:           []
constants:       []
machineFunctionInfo: {}
body:             |
  bb.0.entry:
    liveins: $x3
  
    %0:g8rc = COPY $x3
    %1:g8rc = RLDICL %0, 2, 32
    %2:g8rc = RLDICR %1, 3, 58
    $x3 = COPY %2
    BLR8 implicit $lr8, implicit $rm, implicit $x3

...
# CHECK: rldic 3, 3, 5, 29