test/CodeGen/PowerPC/redundant-copy-after-tail-dup.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown \
; RUN:   -ppc-asm-full-reg-names -verify-machineinstrs -O3 < %s | FileCheck %s \
; RUN:   --check-prefix=CHECK-P9

%class.A = type <{ %"class.D", %"class.D", i32, i32, i32, %"class.B", %"class.C", %"class.C", %"class.C", %"class.C", %"class.D", [2 x i8], %"class.E", %"class.F", %"class.G", %"class.G", %"class.H", i32, [4 x i8] }>
%"class.B" = type { [441 x i32] }
%"class.C" = type { [442 x i16] }
%"class.D" = type { [441 x i16] }
%"class.E" = type { [4 x i32] }
%"class.F" = type { [8 x i32] }
%"class.G" = type { [2 x i32] }
%"class.H" = type { %"struct.A" }
%"struct.A" = type { %"struct.B" }
%"struct.B" = type { i32*, i32*, i32* }

define dso_local i1 @t(%class.A* %this, i32 %color, i32 %vertex) local_unnamed_addr {
; CHECK-P9-LABEL: t:
; CHECK-P9:       # %bb.0: # %entry
; CHECK-P9-NEXT:    li r5, 1
; CHECK-P9-NEXT:    bc 12, 4*cr5+lt, .LBB0_4
; CHECK-P9-NEXT:  # %bb.1: # %land.lhs.true
; CHECK-P9-NEXT:    bc 12, 4*cr5+lt, .LBB0_5
; CHECK-P9-NEXT:  .LBB0_2: # %for.inc
; CHECK-P9-NEXT:    lhz r3, 5308(r3)
; CHECK-P9-NEXT:    cmplwi r3, 2
; CHECK-P9-NEXT:    bge- cr0, .LBB0_6
; CHECK-P9-NEXT:  # %bb.3: # %land.lhs.true.1
; CHECK-P9-NEXT:    li r3, 0
; CHECK-P9-NEXT:    blr
; CHECK-P9-NEXT:  .LBB0_4: # %lor.lhs.false
; CHECK-P9-NEXT:    cmplwi r4, 0
; CHECK-P9-NEXT:    bne cr0, .LBB0_2
; CHECK-P9-NEXT:  .LBB0_5: # %cleanup16
; CHECK-P9-NEXT:    mr r3, r5
; CHECK-P9-NEXT:    blr
; CHECK-P9-NEXT:  .LBB0_6: # %lor.lhs.false.1
entry:
  br i1 undef, label %land.lhs.true, label %lor.lhs.false

land.lhs.true:                                    ; preds = %entry
  br i1 undef, label %cleanup16, label %for.inc

lor.lhs.false:                                    ; preds = %entry
  %cmp11 = icmp ne i16 0, 2
  %cmp13 = icmp eq i32 0, %color
  %or.cond = and i1 %cmp13, %cmp11
  br i1 %or.cond, label %cleanup16, label %for.inc

for.inc:                                          ; preds = %lor.lhs.false, %land.lhs.true
  %arrayidx.i31.1 = getelementptr inbounds %class.A, %class.A* %this, i64 0, i32 8, i32 0, i64 undef
  %0 = load i16, i16* %arrayidx.i31.1, align 2
  %cmp8.1 = icmp ult i16 %0, 2
  br i1 %cmp8.1, label %land.lhs.true.1, label %lor.lhs.false.1

cleanup16:                                        ; preds = %for.inc.2, %lor.lhs.false.2, %lor.lhs.false, %land.lhs.true
  %1 = phi i1 [ true, %land.lhs.true ], [ true, %lor.lhs.false ], [ true, %lor.lhs.false.2 ], [ false, %for.inc.2 ]
  ret i1 %1

lor.lhs.false.1:                                  ; preds = %for.inc
  unreachable

land.lhs.true.1:                                  ; preds = %for.inc
  br label %lor.lhs.false.2

lor.lhs.false.2:                                  ; preds = %land.lhs.true.1
  br i1 false, label %cleanup16, label %for.inc.2

for.inc.2:                                        ; preds = %lor.lhs.false.2
  br label %cleanup16
}