llvm/test/Analysis/DependenceAnalysis/Preliminary.ll

; RUN: opt < %s -analyze -basicaa -da | FileCheck %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.6.0"


;;int p0(int n, int *A, int *B) {
;;  A[0] = n;
;;  return B[1];

define i32 @p0(i32 %n, i32* %A, i32* %B) nounwind uwtable ssp {
entry:
  store i32 %n, i32* %A, align 4

; CHECK-LABEL: p0
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

  %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 1
  %0 = load i32, i32* %arrayidx1, align 4
  ret i32 %0
}


;;int p1(int n, int *restrict A, int *restrict B) {
;;  A[0] = n;
;;  return B[1];

define i32 @p1(i32 %n, i32* noalias %A, i32* noalias %B) nounwind uwtable ssp {
entry:
  store i32 %n, i32* %A, align 4

; CHECK-LABEL: p1
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - none!

  %arrayidx1 = getelementptr inbounds i32, i32* %B, i64 1
  %0 = load i32, i32* %arrayidx1, align 4
  ret i32 %0
}


;;  for (long int i = 0; i < n; i++) {
;;    for (long int j = 0; j < n; j++) {
;;      for (long int k = 0; k < n; k++) {
;;        A[i][j][k] = i;
;;      }
;;      for (long int k = 0; k < n; k++) {
;;        *B++ = A[i + 3][j + 2][k + 1];

define void @p2(i64 %n, [100 x [100 x i64]]* %A, i64* %B) nounwind uwtable ssp {
entry:
  %cmp10 = icmp sgt i64 %n, 0
  br i1 %cmp10, label %for.cond1.preheader.preheader, label %for.end26

; CHECK-LABEL: p2
; CHECK: da analyze - output [* * *]!
; CHECK: da analyze - flow [* *|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [* * *]!
; CHECK: da analyze - confused!
; CHECK: da analyze - output [* * *]!

for.cond1.preheader.preheader:                    ; preds = %entry
  br label %for.cond1.preheader

for.cond1.preheader:                              ; preds = %for.cond1.preheader.preheader, %for.inc24
  %B.addr.012 = phi i64* [ %B.addr.1.lcssa, %for.inc24 ], [ %B, %for.cond1.preheader.preheader ]
  %i.011 = phi i64 [ %inc25, %for.inc24 ], [ 0, %for.cond1.preheader.preheader ]
  %cmp26 = icmp sgt i64 %n, 0
  br i1 %cmp26, label %for.cond4.preheader.preheader, label %for.inc24

for.cond4.preheader.preheader:                    ; preds = %for.cond1.preheader
  br label %for.cond4.preheader

for.cond4.preheader:                              ; preds = %for.cond4.preheader.preheader, %for.inc21
  %B.addr.18 = phi i64* [ %B.addr.2.lcssa, %for.inc21 ], [ %B.addr.012, %for.cond4.preheader.preheader ]
  %j.07 = phi i64 [ %inc22, %for.inc21 ], [ 0, %for.cond4.preheader.preheader ]
  %cmp51 = icmp sgt i64 %n, 0
  br i1 %cmp51, label %for.body6.preheader, label %for.cond10.loopexit

for.body6.preheader:                              ; preds = %for.cond4.preheader
  br label %for.body6

for.body6:                                        ; preds = %for.body6.preheader, %for.body6
  %k.02 = phi i64 [ %inc, %for.body6 ], [ 0, %for.body6.preheader ]
  %arrayidx8 = getelementptr inbounds [100 x [100 x i64]], [100 x [100 x i64]]* %A, i64 %i.011, i64 %j.07, i64 %k.02
  store i64 %i.011, i64* %arrayidx8, align 8
  %inc = add nsw i64 %k.02, 1
  %exitcond13 = icmp ne i64 %inc, %n
  br i1 %exitcond13, label %for.body6, label %for.cond10.loopexit.loopexit

for.cond10.loopexit.loopexit:                     ; preds = %for.body6
  br label %for.cond10.loopexit

for.cond10.loopexit:                              ; preds = %for.cond10.loopexit.loopexit, %for.cond4.preheader
  %cmp113 = icmp sgt i64 %n, 0
  br i1 %cmp113, label %for.body12.preheader, label %for.inc21

for.body12.preheader:                             ; preds = %for.cond10.loopexit
  br label %for.body12

for.body12:                                       ; preds = %for.body12.preheader, %for.body12
  %k9.05 = phi i64 [ %inc19, %for.body12 ], [ 0, %for.body12.preheader ]
  %B.addr.24 = phi i64* [ %incdec.ptr, %for.body12 ], [ %B.addr.18, %for.body12.preheader ]
  %add = add nsw i64 %k9.05, 1
  %add13 = add nsw i64 %j.07, 2
  %add14 = add nsw i64 %i.011, 3
  %arrayidx17 = getelementptr inbounds [100 x [100 x i64]], [100 x [100 x i64]]* %A, i64 %add14, i64 %add13, i64 %add
  %0 = load i64, i64* %arrayidx17, align 8
  %incdec.ptr = getelementptr inbounds i64, i64* %B.addr.24, i64 1
  store i64 %0, i64* %B.addr.24, align 8
  %inc19 = add nsw i64 %k9.05, 1
  %exitcond = icmp ne i64 %inc19, %n
  br i1 %exitcond, label %for.body12, label %for.inc21.loopexit

for.inc21.loopexit:                               ; preds = %for.body12
  %scevgep = getelementptr i64, i64* %B.addr.18, i64 %n
  br label %for.inc21

for.inc21:                                        ; preds = %for.inc21.loopexit, %for.cond10.loopexit
  %B.addr.2.lcssa = phi i64* [ %B.addr.18, %for.cond10.loopexit ], [ %scevgep, %for.inc21.loopexit ]
  %inc22 = add nsw i64 %j.07, 1
  %exitcond14 = icmp ne i64 %inc22, %n
  br i1 %exitcond14, label %for.cond4.preheader, label %for.inc24.loopexit

for.inc24.loopexit:                               ; preds = %for.inc21
  %B.addr.2.lcssa.lcssa = phi i64* [ %B.addr.2.lcssa, %for.inc21 ]
  br label %for.inc24

for.inc24:                                        ; preds = %for.inc24.loopexit, %for.cond1.preheader
  %B.addr.1.lcssa = phi i64* [ %B.addr.012, %for.cond1.preheader ], [ %B.addr.2.lcssa.lcssa, %for.inc24.loopexit ]
  %inc25 = add nsw i64 %i.011, 1
  %exitcond15 = icmp ne i64 %inc25, %n
  br i1 %exitcond15, label %for.cond1.preheader, label %for.end26.loopexit

for.end26.loopexit:                               ; preds = %for.inc24
  br label %for.end26

for.end26:                                        ; preds = %for.end26.loopexit, %entry
  ret void
}


; This ridiculous example is disabled: it does not make sense to keep it.
;;  for (long int i = 0; i < n; i++)
;;  for (long int j = 0; j < n; j++)
;;  for (long int k = 0; k < n; k++)
;;  for (long int l = 0; l < n; l++)
;;  for (long int m = 0; m < n; m++)
;;  for (long int o = 0; o < n; o++)
;;  for (long int p = 0; p < n; p++)
;;  for (long int q = 0; q < n; q++)
;;  for (long int r = 0; r < n; r++)
;;  for (long int s = 0; s < n; s++)
;;  for (long int u = 0; u < n; u++)
;;  for (long int t = 0; t < n; t++) {
;;           A[i - 3] [j] [2] [k-1] [2*l + 1] [m] [p + q] [r + s] = i;
;;    *B++ = A[i + 3] [2] [u] [1-k] [3*l - 1] [o] [1 + n] [t + 2];

;define void @p3(i64 %n, [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]]* %A, i64* %B) nounwind uwtable ssp {
;entry:
;  %cmp44 = icmp sgt i64 %n, 0
;  br i1 %cmp44, label %for.cond1.preheader.preheader, label %for.end90
;
;; DONT-CHECK-LABEL: p3
;; DONT-CHECK: da analyze - output [* * * * * S * * * * S S]!
;; DONT-CHECK: da analyze - flow [* * * * * * * * * * * *|<]!
;; DONT-CHECK: da analyze - confused!
;; DONT-CHECK: da analyze - input [* S * * S * S S S S * *]!
;; DONT-CHECK: da analyze - confused!
;; DONT-CHECK: da analyze - output [* * * * * * * * * * * *]!
;
;for.cond1.preheader.preheader:                    ; preds = %entry
;  br label %for.cond1.preheader
;
;for.cond1.preheader:                              ; preds = %for.cond1.preheader.preheader, %for.inc88
;  %B.addr.046 = phi i64* [ %B.addr.1.lcssa, %for.inc88 ], [ %B, %for.cond1.preheader.preheader ]
;  %i.045 = phi i64 [ %inc89, %for.inc88 ], [ 0, %for.cond1.preheader.preheader ]
;  %cmp240 = icmp sgt i64 %n, 0
;  br i1 %cmp240, label %for.cond4.preheader.preheader, label %for.inc88
;
;for.cond4.preheader.preheader:                    ; preds = %for.cond1.preheader
;  br label %for.cond4.preheader
;
;for.cond4.preheader:                              ; preds = %for.cond4.preheader.preheader, %for.inc85
;  %B.addr.142 = phi i64* [ %B.addr.2.lcssa, %for.inc85 ], [ %B.addr.046, %for.cond4.preheader.preheader ]
;  %j.041 = phi i64 [ %inc86, %for.inc85 ], [ 0, %for.cond4.preheader.preheader ]
;  %cmp536 = icmp sgt i64 %n, 0
;  br i1 %cmp536, label %for.cond7.preheader.preheader, label %for.inc85
;
;for.cond7.preheader.preheader:                    ; preds = %for.cond4.preheader
;  br label %for.cond7.preheader
;
;for.cond7.preheader:                              ; preds = %for.cond7.preheader.preheader, %for.inc82
;  %B.addr.238 = phi i64* [ %B.addr.3.lcssa, %for.inc82 ], [ %B.addr.142, %for.cond7.preheader.preheader ]
;  %k.037 = phi i64 [ %inc83, %for.inc82 ], [ 0, %for.cond7.preheader.preheader ]
;  %cmp832 = icmp sgt i64 %n, 0
;  br i1 %cmp832, label %for.cond10.preheader.preheader, label %for.inc82
;
;for.cond10.preheader.preheader:                   ; preds = %for.cond7.preheader
;  br label %for.cond10.preheader
;
;for.cond10.preheader:                             ; preds = %for.cond10.preheader.preheader, %for.inc79
;  %B.addr.334 = phi i64* [ %B.addr.4.lcssa, %for.inc79 ], [ %B.addr.238, %for.cond10.preheader.preheader ]
;  %l.033 = phi i64 [ %inc80, %for.inc79 ], [ 0, %for.cond10.preheader.preheader ]
;  %cmp1128 = icmp sgt i64 %n, 0
;  br i1 %cmp1128, label %for.cond13.preheader.preheader, label %for.inc79
;
;for.cond13.preheader.preheader:                   ; preds = %for.cond10.preheader
;  br label %for.cond13.preheader
;
;for.cond13.preheader:                             ; preds = %for.cond13.preheader.preheader, %for.inc76
;  %B.addr.430 = phi i64* [ %B.addr.5.lcssa, %for.inc76 ], [ %B.addr.334, %for.cond13.preheader.preheader ]
;  %m.029 = phi i64 [ %inc77, %for.inc76 ], [ 0, %for.cond13.preheader.preheader ]
;  %cmp1424 = icmp sgt i64 %n, 0
;  br i1 %cmp1424, label %for.cond16.preheader.preheader, label %for.inc76
;
;for.cond16.preheader.preheader:                   ; preds = %for.cond13.preheader
;  br label %for.cond16.preheader
;
;for.cond16.preheader:                             ; preds = %for.cond16.preheader.preheader, %for.inc73
;  %B.addr.526 = phi i64* [ %B.addr.6.lcssa, %for.inc73 ], [ %B.addr.430, %for.cond16.preheader.preheader ]
;  %o.025 = phi i64 [ %inc74, %for.inc73 ], [ 0, %for.cond16.preheader.preheader ]
;  %cmp1720 = icmp sgt i64 %n, 0
;  br i1 %cmp1720, label %for.cond19.preheader.preheader, label %for.inc73
;
;for.cond19.preheader.preheader:                   ; preds = %for.cond16.preheader
;  br label %for.cond19.preheader
;
;for.cond19.preheader:                             ; preds = %for.cond19.preheader.preheader, %for.inc70
;  %B.addr.622 = phi i64* [ %B.addr.7.lcssa, %for.inc70 ], [ %B.addr.526, %for.cond19.preheader.preheader ]
;  %p.021 = phi i64 [ %inc71, %for.inc70 ], [ 0, %for.cond19.preheader.preheader ]
;  %cmp2016 = icmp sgt i64 %n, 0
;  br i1 %cmp2016, label %for.cond22.preheader.preheader, label %for.inc70
;
;for.cond22.preheader.preheader:                   ; preds = %for.cond19.preheader
;  br label %for.cond22.preheader
;
;for.cond22.preheader:                             ; preds = %for.cond22.preheader.preheader, %for.inc67
;  %B.addr.718 = phi i64* [ %B.addr.8.lcssa, %for.inc67 ], [ %B.addr.622, %for.cond22.preheader.preheader ]
;  %q.017 = phi i64 [ %inc68, %for.inc67 ], [ 0, %for.cond22.preheader.preheader ]
;  %cmp2312 = icmp sgt i64 %n, 0
;  br i1 %cmp2312, label %for.cond25.preheader.preheader, label %for.inc67
;
;for.cond25.preheader.preheader:                   ; preds = %for.cond22.preheader
;  br label %for.cond25.preheader
;
;for.cond25.preheader:                             ; preds = %for.cond25.preheader.preheader, %for.inc64
;  %B.addr.814 = phi i64* [ %B.addr.9.lcssa, %for.inc64 ], [ %B.addr.718, %for.cond25.preheader.preheader ]
;  %r.013 = phi i64 [ %inc65, %for.inc64 ], [ 0, %for.cond25.preheader.preheader ]
;  %cmp268 = icmp sgt i64 %n, 0
;  br i1 %cmp268, label %for.cond28.preheader.preheader, label %for.inc64
;
;for.cond28.preheader.preheader:                   ; preds = %for.cond25.preheader
;  br label %for.cond28.preheader
;
;for.cond28.preheader:                             ; preds = %for.cond28.preheader.preheader, %for.inc61
;  %B.addr.910 = phi i64* [ %B.addr.10.lcssa, %for.inc61 ], [ %B.addr.814, %for.cond28.preheader.preheader ]
;  %s.09 = phi i64 [ %inc62, %for.inc61 ], [ 0, %for.cond28.preheader.preheader ]
;  %cmp294 = icmp sgt i64 %n, 0
;  br i1 %cmp294, label %for.cond31.preheader.preheader, label %for.inc61
;
;for.cond31.preheader.preheader:                   ; preds = %for.cond28.preheader
;  br label %for.cond31.preheader
;
;for.cond31.preheader:                             ; preds = %for.cond31.preheader.preheader, %for.inc58
;  %u.06 = phi i64 [ %inc59, %for.inc58 ], [ 0, %for.cond31.preheader.preheader ]
;  %B.addr.105 = phi i64* [ %B.addr.11.lcssa, %for.inc58 ], [ %B.addr.910, %for.cond31.preheader.preheader ]
;  %cmp321 = icmp sgt i64 %n, 0
;  br i1 %cmp321, label %for.body33.preheader, label %for.inc58
;
;for.body33.preheader:                             ; preds = %for.cond31.preheader
;  br label %for.body33
;
;for.body33:                                       ; preds = %for.body33.preheader, %for.body33
;  %t.03 = phi i64 [ %inc, %for.body33 ], [ 0, %for.body33.preheader ]
;  %B.addr.112 = phi i64* [ %incdec.ptr, %for.body33 ], [ %B.addr.105, %for.body33.preheader ]
;  %add = add nsw i64 %r.013, %s.09
;  %add34 = add nsw i64 %p.021, %q.017
;  %mul = shl nsw i64 %l.033, 1
;  %add3547 = or i64 %mul, 1
;  %sub = add nsw i64 %k.037, -1
;  %sub36 = add nsw i64 %i.045, -3
;  %arrayidx43 = getelementptr inbounds [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]], [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]]* %A, i64 %sub36, i64 %j.041, i64 2, i64 %sub, i64 %add3547, i64 %m.029, i64 %add34, i64 %add
;  store i64 %i.045, i64* %arrayidx43, align 8
;  %add44 = add nsw i64 %t.03, 2
;  %add45 = add nsw i64 %n, 1
;  %mul46 = mul nsw i64 %l.033, 3
;  %sub47 = add nsw i64 %mul46, -1
;  %sub48 = sub nsw i64 1, %k.037
;  %add49 = add nsw i64 %i.045, 3
;  %arrayidx57 = getelementptr inbounds [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]], [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]]* %A, i64 %add49, i64 2, i64 %u.06, i64 %sub48, i64 %sub47, i64 %o.025, i64 %add45, i64 %add44
;  %0 = load i64, i64* %arrayidx57, align 8
;  %incdec.ptr = getelementptr inbounds i64, i64* %B.addr.112, i64 1
;  store i64 %0, i64* %B.addr.112, align 8
;  %inc = add nsw i64 %t.03, 1
;  %exitcond = icmp ne i64 %inc, %n
;  br i1 %exitcond, label %for.body33, label %for.inc58.loopexit
;
;for.inc58.loopexit:                               ; preds = %for.body33
;  %scevgep = getelementptr i64, i64* %B.addr.105, i64 %n
;  br label %for.inc58
;
;for.inc58:                                        ; preds = %for.inc58.loopexit, %for.cond31.preheader
;  %B.addr.11.lcssa = phi i64* [ %B.addr.105, %for.cond31.preheader ], [ %scevgep, %for.inc58.loopexit ]
;  %inc59 = add nsw i64 %u.06, 1
;  %exitcond48 = icmp ne i64 %inc59, %n
;  br i1 %exitcond48, label %for.cond31.preheader, label %for.inc61.loopexit
;
;for.inc61.loopexit:                               ; preds = %for.inc58
;  %B.addr.11.lcssa.lcssa = phi i64* [ %B.addr.11.lcssa, %for.inc58 ]
;  br label %for.inc61
;
;for.inc61:                                        ; preds = %for.inc61.loopexit, %for.cond28.preheader
;  %B.addr.10.lcssa = phi i64* [ %B.addr.910, %for.cond28.preheader ], [ %B.addr.11.lcssa.lcssa, %for.inc61.loopexit ]
;  %inc62 = add nsw i64 %s.09, 1
;  %exitcond49 = icmp ne i64 %inc62, %n
;  br i1 %exitcond49, label %for.cond28.preheader, label %for.inc64.loopexit
;
;for.inc64.loopexit:                               ; preds = %for.inc61
;  %B.addr.10.lcssa.lcssa = phi i64* [ %B.addr.10.lcssa, %for.inc61 ]
;  br label %for.inc64
;
;for.inc64:                                        ; preds = %for.inc64.loopexit, %for.cond25.preheader
;  %B.addr.9.lcssa = phi i64* [ %B.addr.814, %for.cond25.preheader ], [ %B.addr.10.lcssa.lcssa, %for.inc64.loopexit ]
;  %inc65 = add nsw i64 %r.013, 1
;  %exitcond50 = icmp ne i64 %inc65, %n
;  br i1 %exitcond50, label %for.cond25.preheader, label %for.inc67.loopexit
;
;for.inc67.loopexit:                               ; preds = %for.inc64
;  %B.addr.9.lcssa.lcssa = phi i64* [ %B.addr.9.lcssa, %for.inc64 ]
;  br label %for.inc67
;
;for.inc67:                                        ; preds = %for.inc67.loopexit, %for.cond22.preheader
;  %B.addr.8.lcssa = phi i64* [ %B.addr.718, %for.cond22.preheader ], [ %B.addr.9.lcssa.lcssa, %for.inc67.loopexit ]
;  %inc68 = add nsw i64 %q.017, 1
;  %exitcond51 = icmp ne i64 %inc68, %n
;  br i1 %exitcond51, label %for.cond22.preheader, label %for.inc70.loopexit
;
;for.inc70.loopexit:                               ; preds = %for.inc67
;  %B.addr.8.lcssa.lcssa = phi i64* [ %B.addr.8.lcssa, %for.inc67 ]
;  br label %for.inc70
;
;for.inc70:                                        ; preds = %for.inc70.loopexit, %for.cond19.preheader
;  %B.addr.7.lcssa = phi i64* [ %B.addr.622, %for.cond19.preheader ], [ %B.addr.8.lcssa.lcssa, %for.inc70.loopexit ]
;  %inc71 = add nsw i64 %p.021, 1
;  %exitcond52 = icmp ne i64 %inc71, %n
;  br i1 %exitcond52, label %for.cond19.preheader, label %for.inc73.loopexit
;
;for.inc73.loopexit:                               ; preds = %for.inc70
;  %B.addr.7.lcssa.lcssa = phi i64* [ %B.addr.7.lcssa, %for.inc70 ]
;  br label %for.inc73
;
;for.inc73:                                        ; preds = %for.inc73.loopexit, %for.cond16.preheader
;  %B.addr.6.lcssa = phi i64* [ %B.addr.526, %for.cond16.preheader ], [ %B.addr.7.lcssa.lcssa, %for.inc73.loopexit ]
;  %inc74 = add nsw i64 %o.025, 1
;  %exitcond53 = icmp ne i64 %inc74, %n
;  br i1 %exitcond53, label %for.cond16.preheader, label %for.inc76.loopexit
;
;for.inc76.loopexit:                               ; preds = %for.inc73
;  %B.addr.6.lcssa.lcssa = phi i64* [ %B.addr.6.lcssa, %for.inc73 ]
;  br label %for.inc76
;
;for.inc76:                                        ; preds = %for.inc76.loopexit, %for.cond13.preheader
;  %B.addr.5.lcssa = phi i64* [ %B.addr.430, %for.cond13.preheader ], [ %B.addr.6.lcssa.lcssa, %for.inc76.loopexit ]
;  %inc77 = add nsw i64 %m.029, 1
;  %exitcond54 = icmp ne i64 %inc77, %n
;  br i1 %exitcond54, label %for.cond13.preheader, label %for.inc79.loopexit
;
;for.inc79.loopexit:                               ; preds = %for.inc76
;  %B.addr.5.lcssa.lcssa = phi i64* [ %B.addr.5.lcssa, %for.inc76 ]
;  br label %for.inc79
;
;for.inc79:                                        ; preds = %for.inc79.loopexit, %for.cond10.preheader
;  %B.addr.4.lcssa = phi i64* [ %B.addr.334, %for.cond10.preheader ], [ %B.addr.5.lcssa.lcssa, %for.inc79.loopexit ]
;  %inc80 = add nsw i64 %l.033, 1
;  %exitcond55 = icmp ne i64 %inc80, %n
;  br i1 %exitcond55, label %for.cond10.preheader, label %for.inc82.loopexit
;
;for.inc82.loopexit:                               ; preds = %for.inc79
;  %B.addr.4.lcssa.lcssa = phi i64* [ %B.addr.4.lcssa, %for.inc79 ]
;  br label %for.inc82
;
;for.inc82:                                        ; preds = %for.inc82.loopexit, %for.cond7.preheader
;  %B.addr.3.lcssa = phi i64* [ %B.addr.238, %for.cond7.preheader ], [ %B.addr.4.lcssa.lcssa, %for.inc82.loopexit ]
;  %inc83 = add nsw i64 %k.037, 1
;  %exitcond56 = icmp ne i64 %inc83, %n
;  br i1 %exitcond56, label %for.cond7.preheader, label %for.inc85.loopexit
;
;for.inc85.loopexit:                               ; preds = %for.inc82
;  %B.addr.3.lcssa.lcssa = phi i64* [ %B.addr.3.lcssa, %for.inc82 ]
;  br label %for.inc85
;
;for.inc85:                                        ; preds = %for.inc85.loopexit, %for.cond4.preheader
;  %B.addr.2.lcssa = phi i64* [ %B.addr.142, %for.cond4.preheader ], [ %B.addr.3.lcssa.lcssa, %for.inc85.loopexit ]
;  %inc86 = add nsw i64 %j.041, 1
;  %exitcond57 = icmp ne i64 %inc86, %n
;  br i1 %exitcond57, label %for.cond4.preheader, label %for.inc88.loopexit
;
;for.inc88.loopexit:                               ; preds = %for.inc85
;  %B.addr.2.lcssa.lcssa = phi i64* [ %B.addr.2.lcssa, %for.inc85 ]
;  br label %for.inc88
;
;for.inc88:                                        ; preds = %for.inc88.loopexit, %for.cond1.preheader
;  %B.addr.1.lcssa = phi i64* [ %B.addr.046, %for.cond1.preheader ], [ %B.addr.2.lcssa.lcssa, %for.inc88.loopexit ]
;  %inc89 = add nsw i64 %i.045, 1
;  %exitcond58 = icmp ne i64 %inc89, %n
;  br i1 %exitcond58, label %for.cond1.preheader, label %for.end90.loopexit
;
;for.end90.loopexit:                               ; preds = %for.inc88
;  br label %for.end90
;
;for.end90:                                        ; preds = %for.end90.loopexit, %entry
;  ret void
;}


;;void p4(int *A, int *B, long int n) {
;;  for (char i = 0; i < n; i++) {
;;    A[i + 2] = i;
;;    *B++ = A[i];

define void @p4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
  %cmp1 = icmp sgt i64 %n, 0
  br i1 %cmp1, label %for.body.preheader, label %for.end

; CHECK-LABEL: p4
; CHECK: da analyze - output [*]!
; CHECK: da analyze - flow [*|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [*]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.body:                                         ; preds = %for.body.preheader, %for.body
  %i.03 = phi i8 [ %inc, %for.body ], [ 0, %for.body.preheader ]
  %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
  %conv2 = sext i8 %i.03 to i32
  %conv3 = sext i8 %i.03 to i64
  %add = add i64 %conv3, 2
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
  store i32 %conv2, i32* %arrayidx, align 4
  %idxprom4 = sext i8 %i.03 to i64
  %arrayidx5 = getelementptr inbounds i32, i32* %A, i64 %idxprom4
  %0 = load i32, i32* %arrayidx5, align 4
  %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
  store i32 %0, i32* %B.addr.02, align 4
  %inc = add i8 %i.03, 1
  %conv = sext i8 %inc to i64
  %cmp = icmp slt i64 %conv, %n
  br i1 %cmp, label %for.body, label %for.end.loopexit

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}


;;void p5(int *A, int *B, long int n) {
;;  for (short i = 0; i < n; i++) {
;;    A[i + 2] = i;
;;    *B++ = A[i];

define void @p5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
  %cmp1 = icmp sgt i64 %n, 0
  br i1 %cmp1, label %for.body.preheader, label %for.end

; CHECK-LABEL: p5
; CHECK: da analyze - output [*]!
; CHECK: da analyze - flow [*|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - input [*]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.body:                                         ; preds = %for.body.preheader, %for.body
  %i.03 = phi i16 [ %inc, %for.body ], [ 0, %for.body.preheader ]
  %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
  %conv2 = sext i16 %i.03 to i32
  %conv3 = sext i16 %i.03 to i64
  %add = add i64 %conv3, 2
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
  store i32 %conv2, i32* %arrayidx, align 4
  %idxprom4 = sext i16 %i.03 to i64
  %arrayidx5 = getelementptr inbounds i32, i32* %A, i64 %idxprom4
  %0 = load i32, i32* %arrayidx5, align 4
  %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
  store i32 %0, i32* %B.addr.02, align 4
  %inc = add i16 %i.03, 1
  %conv = sext i16 %inc to i64
  %cmp = icmp slt i64 %conv, %n
  br i1 %cmp, label %for.body, label %for.end.loopexit

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}


;;void p6(int *A, int *B, long int n) {
;;  for (int i = 0; i < n; i++) {
;;    A[i + 2] = i;
;;    *B++ = A[i];

define void @p6(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
  %cmp1 = icmp sgt i64 %n, 0
  br i1 %cmp1, label %for.body.preheader, label %for.end

; CHECK-LABEL: p6
; CHECK: da analyze - none!
; CHECK: da analyze - consistent flow [2]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.body:                                         ; preds = %for.body.preheader, %for.body
  %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
  %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
  %0 = add nsw i64 %indvars.iv, 2
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %0
  %1 = trunc i64 %indvars.iv to i32
  store i32 %1, i32* %arrayidx, align 4
  %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
  %2 = load i32, i32* %arrayidx3, align 4
  %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
  store i32 %2, i32* %B.addr.02, align 4
  %indvars.iv.next = add i64 %indvars.iv, 1
  %exitcond = icmp ne i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.body, label %for.end.loopexit

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret void
}


;;void p7(unsigned *A, unsigned *B,  char n) {
;;  A[n] = 0;
;;  *B = A[n + 1];

define void @p7(i32* %A, i32* %B, i8 signext %n) nounwind uwtable ssp {
entry:
  %idxprom = sext i8 %n to i64
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom

; CHECK-LABEL: p7
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

  store i32 0, i32* %arrayidx, align 4
  %conv = sext i8 %n to i64
  %add = add i64 %conv, 1
  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %add
  %0 = load i32, i32* %arrayidx2, align 4
  store i32 %0, i32* %B, align 4
  ret void
}


;;void p8(unsigned *A, unsigned *B,  short n) {
;;  A[n] = 0;
;;  *B = A[n + 1];

define void @p8(i32* %A, i32* %B, i16 signext %n) nounwind uwtable ssp {
entry:
  %idxprom = sext i16 %n to i64
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
  store i32 0, i32* %arrayidx, align 4

; CHECK-LABEL: p8
; CHECK: da analyze - none!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

  %conv = sext i16 %n to i64
  %add = add i64 %conv, 1
  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %add
  %0 = load i32, i32* %arrayidx2, align 4
  store i32 %0, i32* %B, align 4
  ret void
}


;;void p9(unsigned *A, unsigned *B,  int n) {
;;  A[n] = 0;
;;  *B = A[n + 1];

define void @p9(i32* %A, i32* %B, i32 %n) nounwind uwtable ssp {
entry:
  %idxprom = sext i32 %n to i64
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
  store i32 0, i32* %arrayidx, align 4

; CHECK-LABEL: p9
; CHECK: da analyze - none!
; CHECK: da analyze - flow [|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

  %add = add nsw i32 %n, 1
  %idxprom1 = sext i32 %add to i64
  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %idxprom1
  %0 = load i32, i32* %arrayidx2, align 4
  store i32 %0, i32* %B, align 4
  ret void
}


;;void p10(unsigned *A, unsigned *B,  unsigned n) {
;;  A[n] = 0;
;;  *B = A[n + 1];

define void @p10(i32* %A, i32* %B, i32 %n) nounwind uwtable ssp {
entry:
  %idxprom = zext i32 %n to i64
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
  store i32 0, i32* %arrayidx, align 4

; CHECK-LABEL: p10
; CHECK: da analyze - none!
; CHECK: da analyze - flow [|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!

  %add = add i32 %n, 1
  %idxprom1 = zext i32 %add to i64
  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %idxprom1
  %0 = load i32, i32* %arrayidx2, align 4
  store i32 %0, i32* %B, align 4
  ret void
}


;;typedef struct { int v; } S;
;;
;;void f(S *s, unsigned size) {
;;  S *i = s, *e = s + size - 1;
;;  while (i != e) {
;;    *i = *(i + 1);
;;    ++i;

%struct.S = type { i32 }

define void @foo(%struct.S* %s, i32 %size) nounwind uwtable ssp {
entry:
  %idx.ext = zext i32 %size to i64
  %add.ptr.sum = add i64 %idx.ext, -1
  %add.ptr1 = getelementptr inbounds %struct.S, %struct.S* %s, i64 %add.ptr.sum
  %cmp1 = icmp eq i64 %add.ptr.sum, 0
  br i1 %cmp1, label %while.end, label %while.body.preheader

; CHECK-LABEL: foo
; CHECK: da analyze - none!
; CHECK: da analyze - consistent anti [1]!
; CHECK: da analyze - none!

while.body.preheader:                             ; preds = %entry
  br label %while.body

while.body:                                       ; preds = %while.body.preheader, %while.body
  %i.02 = phi %struct.S* [ %incdec.ptr, %while.body ], [ %s, %while.body.preheader ]
  %0 = getelementptr inbounds %struct.S, %struct.S* %i.02, i64 1, i32 0
  %1 = load i32, i32* %0, align 4
  %2 = getelementptr inbounds %struct.S, %struct.S* %i.02, i64 0, i32 0
  store i32 %1, i32* %2, align 4
  %incdec.ptr = getelementptr inbounds %struct.S, %struct.S* %i.02, i64 1
  %cmp = icmp eq %struct.S* %incdec.ptr, %add.ptr1
  br i1 %cmp, label %while.end.loopexit, label %while.body

while.end.loopexit:                               ; preds = %while.body
  br label %while.end

while.end:                                        ; preds = %while.end.loopexit, %entry
  ret void
}

declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind