1; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze %s | FileCheck %s
2; RUN: opt %loadPolly %defaultOpts -polly-codegen %s | lli - %EatErrOnX86
3; ModuleID = 'single_loop_param.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-pc-linux-gnu"
6
7@A = common global [1024 x i32] zeroinitializer, align 16 ; <[1024 x i32]*> [#uses=3]
8
9define void @bar(i64 %n) nounwind {
10bb:
11  fence seq_cst
12  br label %bb1
13
14bb1:                                              ; preds = %bb3, %bb
15  %i.0 = phi i64 [ 0, %bb ], [ %tmp, %bb3 ]       ; <i64> [#uses=3]
16  %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %i.0 ; <i32*> [#uses=1]
17  %exitcond = icmp ne i64 %i.0, %n                ; <i1> [#uses=1]
18  br i1 %exitcond, label %bb2, label %bb4
19
20bb2:                                              ; preds = %bb1
21  store i32 1, i32* %scevgep
22  br label %bb3
23
24bb3:                                              ; preds = %bb2
25  %tmp = add nsw i64 %i.0, 1                      ; <i64> [#uses=1]
26  br label %bb1
27
28bb4:                                              ; preds = %bb1
29  fence seq_cst
30  ret void
31}
32
33define i32 @main() nounwind {
34bb:
35  call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false)
36  call void @bar(i64 1024)
37  br label %bb1
38
39bb1:                                              ; preds = %bb7, %bb
40  %indvar = phi i64 [ %indvar.next, %bb7 ], [ 0, %bb ] ; <i64> [#uses=3]
41  %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar ; <i32*> [#uses=1]
42  %i.0 = trunc i64 %indvar to i32                 ; <i32> [#uses=1]
43  %tmp = icmp slt i32 %i.0, 1024                  ; <i1> [#uses=1]
44  br i1 %tmp, label %bb2, label %bb8
45
46bb2:                                              ; preds = %bb1
47  %tmp3 = load i32* %scevgep                      ; <i32> [#uses=1]
48  %tmp4 = icmp ne i32 %tmp3, 1                    ; <i1> [#uses=1]
49  br i1 %tmp4, label %bb5, label %bb6
50
51bb5:                                              ; preds = %bb2
52  br label %bb9
53
54bb6:                                              ; preds = %bb2
55  br label %bb7
56
57bb7:                                              ; preds = %bb6
58  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=1]
59  br label %bb1
60
61bb8:                                              ; preds = %bb1
62  br label %bb9
63
64bb9:                                              ; preds = %bb8, %bb5
65  %.0 = phi i32 [ 1, %bb5 ], [ 0, %bb8 ]          ; <i32> [#uses=1]
66  ret i32 %.0
67}
68
69declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
70
71; CHECK: if (n >= 1) {
72; CHECK:     for (c2=0;c2<=n-1;c2++) {
73; CHECK:           Stmt_bb2(c2);
74; CHECK:             }
75; CHECK: }
76
77