1; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s
2; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s -check-prefix=CODEGEN
3
4; void f(int a[], int N, float *P) {
5;   int i;
6;   for (i = 0; i < N; ++i)
7;     if (P != 0)
8;       a[i] = i;
9; }
10
11target 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"
12
13define void @f(i64* nocapture %a, i64 %N, float * %P) nounwind {
14entry:
15  br label %bb
16
17bb:
18  %i = phi i64 [ 0, %entry ], [ %i.inc, %bb.backedge ]
19  %brcond = icmp ne float* %P, null
20  br i1 %brcond, label %store, label %bb.backedge
21
22store:
23  %scevgep = getelementptr i64, i64* %a, i64 %i
24  store i64 %i, i64* %scevgep
25  br label %bb.backedge
26
27bb.backedge:
28  %i.inc = add nsw i64 %i, 1
29  %exitcond = icmp eq i64 %i.inc, %N
30  br i1 %exitcond, label %return, label %bb
31
32return:
33  ret void
34}
35
36; CHECK:      if (P <= -1 || P >= 1)
37; CHECK-NEXT:   for (int c0 = 0; c0 < N; c0 += 1)
38; CHECK-NEXT:     Stmt_store(c0);
39
40; CODEGEN-LABEL: polly.cond:
41; CODEGEN-NEXT:   %[[R1:[0-9]*]] = ptrtoint float* %P to i64
42; CODEGEN-NEXT:   %[[R2:[0-9]*]] = icmp sle i64 %[[R1]], -1
43; CODEGEN-NEXT:   %[[R3:[0-9]*]] = ptrtoint float* %P to i64
44; CODEGEN-NEXT:   %[[R4:[0-9]*]] = icmp sge i64 %[[R3]], 1
45; CODEGEN-NEXT:   %[[R5:[0-9]*]] = or i1 %[[R2]], %[[R4]]
46; CODEGEN-NEXT:   br i1 %[[R5]]
47
48