1; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze %s | FileCheck %s
2; RUN: opt %loadPolly %defaultOpts -polly-codegen %s | lli -
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  call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
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  call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
30  ret void
31}
32
33declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind
34
35define i32 @main() nounwind {
36bb:
37  call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false)
38  call void @bar(i64 1024)
39  br label %bb1
40
41bb1:                                              ; preds = %bb7, %bb
42  %indvar = phi i64 [ %indvar.next, %bb7 ], [ 0, %bb ] ; <i64> [#uses=3]
43  %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar ; <i32*> [#uses=1]
44  %i.0 = trunc i64 %indvar to i32                 ; <i32> [#uses=1]
45  %tmp = icmp slt i32 %i.0, 1024                  ; <i1> [#uses=1]
46  br i1 %tmp, label %bb2, label %bb8
47
48bb2:                                              ; preds = %bb1
49  %tmp3 = load i32* %scevgep                      ; <i32> [#uses=1]
50  %tmp4 = icmp ne i32 %tmp3, 1                    ; <i1> [#uses=1]
51  br i1 %tmp4, label %bb5, label %bb6
52
53bb5:                                              ; preds = %bb2
54  br label %bb9
55
56bb6:                                              ; preds = %bb2
57  br label %bb7
58
59bb7:                                              ; preds = %bb6
60  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=1]
61  br label %bb1
62
63bb8:                                              ; preds = %bb1
64  br label %bb9
65
66bb9:                                              ; preds = %bb8, %bb5
67  %.0 = phi i32 [ 1, %bb5 ], [ 0, %bb8 ]          ; <i32> [#uses=1]
68  ret i32 %.0
69}
70
71declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
72
73; CHECK: if (M >= 1) {
74; CHECK:     for (c2=0;c2<=M-1;c2++) {
75; CHECK:           Stmt_bb2(c2);
76; CHECK:             }
77; CHECK: }
78
79