File: 20150328-SCEVExpanderIntroducesNewIV.ll

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; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

@A = common global [1536 x float] zeroinitializer

; CHECK: polly

define void @foo() {
entry:
  br label %while.header

while.cond.loopexit3:
  br label %while.header

while.header:
  br label %switchbb

switchbb:
  switch i32 undef, label %while.header [
    i32 1, label %for.body121
    i32 2, label %unreachableA
    i32 3, label %unreachableB
  ]

unreachableA:
  unreachable

for.body121:
  %indvar = phi i32 [ 0, %switchbb ], [ %indvar.next, %for.body121 ]
  %ptr = getelementptr [1536 x float], ptr @A, i64 0, i32 %indvar
  store float undef, ptr %ptr
  %indvar.next = add nsw i32 %indvar, 1
  br i1 false, label %for.body121, label %while.cond.loopexit3

unreachableB:
  unreachable
}