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1# RUN: llc -mtriple=powerpc64le--linux-gnu -start-before ppc-mi-peepholes %s -o - -verify-machineinstrs | FileCheck %s2# RUN: llc -mtriple=powerpc64le--linux-gnu -run-pass ppc-mi-peepholes %s -o - -verify-machineinstrs | FileCheck %s --check-prefix=CHECK-PASS3 4# The differential revision https://reviews.llvm.org/D60402 was supposed to5# collapse RLDICL/RLDICR into RLDIC when possible, but it missed removing the6# RLDICL instruction. This test case tests the fix for the bug.7 8--- |9 ; ModuleID = 'jump-tables-collapse-rotate-remove-SrcMI.ll'10 source_filename = "jump-tables-collapse-rotate-remove-SrcMI.ll"11 target datalayout = "e-m:e-i64:64-n32:64"12 13 define dso_local i64 @test(i64 %a, i64 %b) local_unnamed_addr {14 entry:15 %add = add nsw i64 %b, %a16 ret i64 %add17 }18 19...20---21name: test22alignment: 1623tracksRegLiveness: true24registers:25 - { id: 0, class: g8rc }26 - { id: 1, class: g8rc }27 - { id: 2, class: g8rc }28liveins:29 - { reg: '$x3', virtual-reg: '%0' }30 - { reg: '$x4', virtual-reg: '%1' }31frameInfo:32 maxAlignment: 133machineFunctionInfo: {}34body: |35 bb.0.entry:36 liveins: $x3, $x437 38 %1:g8rc = COPY $x439 %0:g8rc = COPY $x340 %2:g8rc = RLDICL killed %1, 0, 3241 %3:g8rc = RLDICR %2, 2, 6142 $x3 = COPY %343 BLR8 implicit $lr8, implicit $rm, implicit $x344 45...46# CHECK-LABEL: test:47# CHECK: # %bb.0: # %entry48# CHECK-NEXT: rldic 3, 4, 2, 3049# CHECK-NEXT: blr50#51# CHECK-PASS-NOT: %2:g8rc = RLDICL killed %1, 0, 3252# CHECK-PASS-NOT: %3:g8rc = RLDICR %2, 2, 6153# CHECK-PASS: %3:g8rc = RLDIC killed %1, 2, 3054