1 ; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s
8 ;void sequential_loops() {
10 ; for (i = 0; i < N/2; i++) {
13 ; for (i = N/2 ; i < N; i++) {
20 ; memset(A, 0, sizeof(int) * N);
24 ; for (i = 0; i < N; i++) {
25 ; if (A[i] != 1 && i < N/2)
27 ; if (A[i] != 2 && i >= N/2)
34 target 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"
36 @A = common global [1024 x i32] zeroinitializer, align 4 ; <ptr> [#uses=5]
38 define void @sequential_loops() nounwind {
42 bb1: ; preds = %bb3, %bb
43 %indvar1 = phi i64 [ %indvar.next2, %bb3 ], [ 0, %bb ]
44 %scevgep4 = getelementptr [1024 x i32], ptr @A, i64 0, i64 %indvar1
45 %exitcond3 = icmp ne i64 %indvar1, 512
46 br i1 %exitcond3, label %bb2, label %bb4
49 store i32 1, ptr %scevgep4
53 %indvar.next2 = add i64 %indvar1, 1
59 bb5: ; preds = %bb7, %bb4
60 %indvar = phi i64 [ %indvar.next, %bb7 ], [ 0, %bb4 ]
61 %tmp = add i64 %indvar, 512
62 %scevgep = getelementptr [1024 x i32], ptr @A, i64 0, i64 %tmp
63 %exitcond = icmp ne i64 %indvar, 512
64 br i1 %exitcond, label %bb6, label %bb8
67 store i32 2, ptr %scevgep
71 %indvar.next = add i64 %indvar, 1
78 define i32 @main() nounwind {
80 call void @llvm.memset.p0.i64(ptr @A, i8 0, i64 4096, i32 1, i1 false)
81 call void @sequential_loops()
84 bb1: ; preds = %bb15, %bb
85 %indvar = phi i64 [ %indvar.next, %bb15 ], [ 0, %bb ]
86 %i.0 = trunc i64 %indvar to i32
87 %scevgep = getelementptr [1024 x i32], ptr @A, i64 0, i64 %indvar
88 %tmp = icmp slt i32 %i.0, 1024
89 br i1 %tmp, label %bb2, label %bb16
92 %tmp3 = load i32, ptr %scevgep
93 %tmp4 = icmp ne i32 %tmp3, 1
94 br i1 %tmp4, label %bb5, label %bb8
97 %tmp6 = icmp slt i32 %i.0, 512
98 br i1 %tmp6, label %bb7, label %bb8
103 bb8: ; preds = %bb5, %bb2
104 %tmp9 = load i32, ptr %scevgep
105 %tmp10 = icmp ne i32 %tmp9, 2
106 br i1 %tmp10, label %bb11, label %bb14
109 %tmp12 = icmp sge i32 %i.0, 512
110 br i1 %tmp12, label %bb13, label %bb14
112 bb13: ; preds = %bb11
115 bb14: ; preds = %bb11, %bb8
118 bb15: ; preds = %bb14
119 %indvar.next = add i64 %indvar, 1
125 bb17: ; preds = %bb16, %bb13, %bb7
126 %.0 = phi i32 [ 1, %bb7 ], [ 1, %bb13 ], [ 0, %bb16 ]
130 declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i32, i1) nounwind
133 ; CHECK: for (int c0 = 0; c0 <= 511; c0 += 1)
134 ; CHECK: Stmt_bb2(c0);
135 ; CHECK: for (int c0 = 0; c0 <= 511; c0 += 1)
136 ; CHECK: Stmt_bb6(c0);