polly/test/ScopInfo/loop_depth_0.ll

; RUN: opt %loadPolly %defaultOpts  -polly-analyze-ir  -analyze %s | FileCheck %s
; XFAIL: *
;void f(long a[][128], long N, long M) {
;  long i, j, k;
;  for (j = 0; j < M; ++j)
;    for (i = 0; i < N; ++i)
;      a[i][j] = 4*i+5;

;  for (k = 0; k < 64; ++k)
;      a[4][k] = a[k][4];
;}

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"
target triple = "x86_64-unknown-linux-gnu"

define void @f([128 x i64]* nocapture %a, i64 %N, i64 %M) nounwind {
entry:
  %0 = icmp sgt i64 %M, 0                         ; <i1> [#uses=1]
  %1 = icmp sgt i64 %N, 0                         ; <i1> [#uses=1]
  %or.cond = and i1 %0, %1                        ; <i1> [#uses=1]
  br i1 %or.cond, label %bb2.preheader, label %bb6

bb1:                                              ; preds = %bb2.preheader, %bb1
  %i.010 = phi i64 [ 0, %bb2.preheader ], [ %2, %bb1 ] ; <i64> [#uses=3]
  %tmp = shl i64 %i.010, 2                        ; <i64> [#uses=1]
  %tmp16 = add i64 %tmp, 5                        ; <i64> [#uses=1]
  %scevgep17 = getelementptr [128 x i64]* %a, i64 %i.010, i64 %4 ; <i64*> [#uses=1]
  store i64 %tmp16, i64* %scevgep17, align 8
  %2 = add nsw i64 %i.010, 1                      ; <i64> [#uses=2]
  %exitcond15 = icmp eq i64 %2, %N                ; <i1> [#uses=1]
  br i1 %exitcond15, label %bb3, label %bb1

bb3:                                              ; preds = %bb1
  %3 = add i64 %4, 1                              ; <i64> [#uses=2]
  %exitcond18 = icmp eq i64 %3, %M                ; <i1> [#uses=1]
  br i1 %exitcond18, label %bb6, label %bb2.preheader

bb2.preheader:                                    ; preds = %bb3, %entry
  %4 = phi i64 [ %3, %bb3 ], [ 0, %entry ]        ; <i64> [#uses=2]
  br label %bb1

bb6:                                              ; preds = %bb6, %bb3, %entry
  %k.09 = phi i64 [ %6, %bb6 ], [ 0, %bb3 ], [ 0, %entry ] ; <i64> [#uses=3]
  %scevgep = getelementptr [128 x i64]* %a, i64 4, i64 %k.09 ; <i64*> [#uses=1]
  %scevgep14 = getelementptr [128 x i64]* %a, i64 %k.09, i64 4 ; <i64*> [#uses=1]
  %5 = load i64* %scevgep14, align 8              ; <i64> [#uses=1]
  store i64 %5, i64* %scevgep, align 8
  %6 = add nsw i64 %k.09, 1                       ; <i64> [#uses=2]
  %exitcond = icmp eq i64 %6, 64                  ; <i1> [#uses=1]
  br i1 %exitcond, label %return, label %bb6

return:                                           ; preds = %bb6
  ret void
}

; CHECK: Scop: entry => <Function Return> Parameters: (%N, %M, ), Max Loop Depth: 2