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