; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt < %s -S -passes=loop-unroll | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

define x86_mmx @f() #0 {
; CHECK-LABEL: define x86_mmx @f
; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    [[PHI:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ], [ [[ADD_7:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT:    [[ADD_6:%.*]] = add i32 [[PHI]], 7
; CHECK-NEXT:    [[ADD_7]] = add i32 [[PHI]], 8
; CHECK-NEXT:    [[CMP_7:%.*]] = icmp eq i32 [[ADD_6]], 0
; CHECK-NEXT:    br i1 [[CMP_7]], label [[EXIT:%.*]], label [[FOR_BODY]]
; CHECK:       exit:
; CHECK-NEXT:    [[RET:%.*]] = phi x86_mmx [ undef, [[FOR_BODY]] ]
; CHECK-NEXT:    ret x86_mmx [[RET]]
;
entry:
  br label %for.body

for.body:                                         ; preds = %for.body, %entry
  %phi = phi i32 [ 1, %entry ], [ %add, %for.body ]
  %add = add i32 %phi, 1
  %cmp = icmp eq i32 %phi, 0
  br i1 %cmp, label %exit, label %for.body

exit:                                             ; preds = %for.body
  %ret = phi x86_mmx [ undef, %for.body ]
  ret x86_mmx %ret
}

attributes #0 = { "target-cpu"="x86-64" }