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; RUN: opt -enable-mssa-loop-dependency -verify-memoryssa -loop-rotate -S %s | FileCheck %s
; REQUIRES: asserts
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-grtev4-linux-gnu"
; Check verification passes after loop rotate, when adding phis in blocks
; receiving incoming edges and adding phis in IDF blocks.
; CHECK-LABEL: @f
define void @f() align 32 {
entry:
br label %while.cond.outer
while.cond80.while.cond.loopexit_crit_edge: ; preds = %if.else99
br label %while.cond.outer
while.cond.outer: ; preds = %while.cond80.while.cond.loopexit_crit_edge, %entry
br i1 undef, label %while.cond.outer.return.loopexit2_crit_edge, label %while.body.lr.ph
while.body.lr.ph: ; preds = %while.cond.outer
br label %while.body
while.body: ; preds = %while.body.lr.ph
br i1 undef, label %if.then42, label %if.end61
if.then42: ; preds = %while.body
br label %return.loopexit2
if.end61: ; preds = %while.body
br label %while.body82
while.body82: ; preds = %if.end61
br i1 undef, label %return.loopexit, label %if.else99
if.else99: ; preds = %while.body82
store i32 0, i32* inttoptr (i64 44 to i32*), align 4
br label %while.cond80.while.cond.loopexit_crit_edge
return.loopexit: ; preds = %while.body82
br label %return
while.cond.outer.return.loopexit2_crit_edge: ; preds = %while.cond.outer
br label %return.loopexit2
return.loopexit2: ; preds = %while.cond.outer.return.loopexit2_crit_edge, %if.then42
br label %return
return: ; preds = %return.loopexit2, %return.loopexit
ret void
}
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