1; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze  -S %s | FileCheck %s
2
3; ModuleID = 'single_loop_ll_max_iterations.s'
4;
5target 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"
6target triple = "x86_64-unknown-linux-gnu"
7
8define i32 @main() nounwind {
9entry:
10  %A = alloca [20 x i64], align 8                 ; <[20 x i64]*> [#uses=3]
11  %arraydecay = getelementptr inbounds [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
12  %arrayidx = getelementptr inbounds i64* %arraydecay, i64 0 ; <i64*> [#uses=1]
13  store i64 0, i64* %arrayidx
14  fence seq_cst
15  br label %for.cond
16
17for.cond:                                         ; preds = %for.inc, %entry
18  %0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]  ; <i64> [#uses=3]
19  %exitcond = icmp ne i64 %0, 9223372036854775807 ; <i1> [#uses=1]
20  br i1 %exitcond, label %for.body, label %for.end
21
22for.body:                                         ; preds = %for.cond
23  %arraydecay2 = getelementptr inbounds [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
24  %arrayidx3 = getelementptr inbounds i64* %arraydecay2, i64 0 ; <i64*> [#uses=1]
25  store i64 %0, i64* %arrayidx3
26  br label %for.inc
27
28for.inc:                                          ; preds = %for.body
29  %inc = add nsw i64 %0, 1                        ; <i64> [#uses=1]
30  br label %for.cond
31
32for.end:                                          ; preds = %for.cond
33  fence seq_cst
34  %arraydecay5 = getelementptr inbounds [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
35  %arrayidx6 = getelementptr inbounds i64* %arraydecay5, i64 0 ; <i64*> [#uses=1]
36  %tmp7 = load i64* %arrayidx6                    ; <i64> [#uses=1]
37  %cmp8 = icmp eq i64 %tmp7, 9223372036854775806  ; <i1> [#uses=1]
38  br i1 %cmp8, label %if.then, label %if.else
39
40if.then:                                          ; preds = %for.end
41  br label %return
42
43if.else:                                          ; preds = %for.end
44  br label %return
45
46return:                                           ; preds = %if.else, %if.then
47  %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]
48  ret i32 %retval.0
49}
50
51; CHECK:for (c2=0;c2<=9223372036854775806;c2++) {
52