# RUN: llc -mtriple=powerpc64le--linux-gnu -start-before ppc-mi-peepholes %s -o - -verify-machineinstrs | FileCheck %s
# RUN: llc -mtriple=powerpc64le--linux-gnu -run-pass ppc-mi-peepholes %s -o - -verify-machineinstrs | FileCheck %s --check-prefix=CHECK-PASS

# The differential revision https://reviews.llvm.org/D60402 was supposed to
# collapse RLDICL/RLDICR into RLDIC when possible, but it missed removing the
# RLDICL instruction. This test case tests the fix for the bug.

--- |
  ; ModuleID = 'jump-tables-collapse-rotate-remove-SrcMI.ll'
  source_filename = "jump-tables-collapse-rotate-remove-SrcMI.ll"
  target datalayout = "e-m:e-i64:64-n32:64"

  define dso_local i64 @test(i64 %a, i64 %b) local_unnamed_addr {
  entry:
    %add = add nsw i64 %b, %a
    ret i64 %add
  }

...
---
name:            test
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: g8rc }
  - { id: 1, class: g8rc }
  - { id: 2, class: g8rc }
liveins:
  - { reg: '$x3', virtual-reg: '%0' }
  - { reg: '$x4', virtual-reg: '%1' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
body:             |
  bb.0.entry:
    liveins: $x3, $x4

    %1:g8rc = COPY $x4
    %0:g8rc = COPY $x3
    %2:g8rc = RLDICL killed %1, 0, 32
    %3:g8rc = RLDICR %2, 2, 61
    $x3 = COPY %3
    BLR8 implicit $lr8, implicit $rm, implicit $x3

...
# CHECK-LABEL: test:
# CHECK: # %bb.0: # %entry
# CHECK-NEXT: 	rldic 3, 4, 2, 30
# CHECK-NEXT: 	blr
#
# CHECK-PASS-NOT:     %2:g8rc = RLDICL killed %1, 0, 32
# CHECK-PASS-NOT:     %3:g8rc = RLDICR %2, 2, 61
# CHECK-PASS:     %3:g8rc = RLDIC killed %1, 2, 30