1 ; RUN: opt %loadPolly -basic-aa -polly-print-ast -disable-output < %s | FileCheck %s
2 ; RUN: opt %loadPolly -basic-aa -polly-codegen < %s | opt -passes='print<loops>' -disable-output 2>&1 | FileCheck %s -check-prefix=LOOPS
10 ;void loop_with_condition() {
13 ; __sync_synchronize();
14 ; for (i = 0; i < N; i++) {
23 ; __sync_synchronize();
29 ; memset(A, 0, sizeof(int) * N);
30 ; memset(B, 0, sizeof(int) * N);
32 ; loop_with_condition();
34 ; for (i = 0; i < N; i++)
38 ; for (i = 0; i < N; i++)
39 ; if (i <= N / 2 && i > 20 && A[i] != 1)
41 ; else if (i > N / 2) {
42 ; if (i <= 20 && A[i] != 2)
44 ; if (i > 20 && A[i] != 0)
50 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"
52 @A = common global [1024 x i32] zeroinitializer, align 16 ; <ptr> [#uses=4]
53 @B = common global [1024 x i32] zeroinitializer, align 16 ; <ptr> [#uses=4]
55 define void @loop_with_condition() nounwind {
61 %indvar = phi i64 [ %indvar.next, %bb10 ], [ 0, %bb0 ] ; <i64> [#uses=5]
62 %scevgep = getelementptr [1024 x i32], ptr @A, i64 0, i64 %indvar ; <ptr> [#uses=2]
63 %scevgep1 = getelementptr [1024 x i32], ptr @B, i64 0, i64 %indvar ; <ptr> [#uses=1]
64 %i.0 = trunc i64 %indvar to i32 ; <i32> [#uses=2]
65 %exitcond = icmp ne i64 %indvar, 1024 ; <i1> [#uses=1]
66 br i1 %exitcond, label %bb2, label %bb11
69 %var3 = icmp sle i32 %i.0, 512 ; <i1> [#uses=1]
70 br i1 %var3, label %bb4, label %bb9
73 %var5 = icmp sgt i32 %i.0, 20 ; <i1> [#uses=1]
74 br i1 %var5, label %bb6, label %bb7
77 store i32 1, ptr %scevgep
81 store i32 2, ptr %scevgep
88 store i32 3, ptr %scevgep1
92 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
100 define i32 @main() nounwind {
102 call void @llvm.memset.p0.i64(ptr @A, i8 0, i64 4096, i32 1, i1 false)
103 call void @llvm.memset.p0.i64(ptr @B, i8 0, i64 4096, i32 1, i1 false)
104 call void @loop_with_condition()
107 ; <label>:1 ; preds = %8, %0
108 %indvar1 = phi i64 [ %indvar.next2, %8 ], [ 0, %0 ] ; <i64> [#uses=3]
109 %scevgep3 = getelementptr [1024 x i32], ptr @B, i64 0, i64 %indvar1 ; <ptr> [#uses=1]
110 %i.0 = trunc i64 %indvar1 to i32 ; <i32> [#uses=1]
111 %2 = icmp slt i32 %i.0, 1024 ; <i1> [#uses=1]
112 br i1 %2, label %3, label %9
114 ; <label>:3 ; preds = %1
115 %4 = load i32, ptr %scevgep3 ; <i32> [#uses=1]
116 %5 = icmp ne i32 %4, 3 ; <i1> [#uses=1]
117 br i1 %5, label %6, label %7
119 ; <label>:6 ; preds = %3
122 ; <label>:7 ; preds = %3
125 ; <label>:8 ; preds = %7
126 %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1]
129 ; <label>:9 ; preds = %1
132 ; <label>:10 ; preds = %37, %9
133 %indvar = phi i64 [ %indvar.next, %37 ], [ 0, %9 ] ; <i64> [#uses=3]
134 %scevgep = getelementptr [1024 x i32], ptr @A, i64 0, i64 %indvar ; <ptr> [#uses=3]
135 %i.1 = trunc i64 %indvar to i32 ; <i32> [#uses=6]
136 %11 = icmp slt i32 %i.1, 1024 ; <i1> [#uses=1]
137 br i1 %11, label %12, label %38
139 ; <label>:12 ; preds = %10
140 %13 = icmp sle i32 %i.1, 512 ; <i1> [#uses=1]
141 br i1 %13, label %14, label %20
143 ; <label>:14 ; preds = %12
144 %15 = icmp sgt i32 %i.1, 20 ; <i1> [#uses=1]
145 br i1 %15, label %16, label %20
147 ; <label>:16 ; preds = %14
148 %17 = load i32, ptr %scevgep ; <i32> [#uses=1]
149 %18 = icmp ne i32 %17, 1 ; <i1> [#uses=1]
150 br i1 %18, label %19, label %20
152 ; <label>:19 ; preds = %16
155 ; <label>:20 ; preds = %16, %14, %12
156 %21 = icmp sgt i32 %i.1, 512 ; <i1> [#uses=1]
157 br i1 %21, label %22, label %35
159 ; <label>:22 ; preds = %20
160 %23 = icmp sle i32 %i.1, 20 ; <i1> [#uses=1]
161 br i1 %23, label %24, label %28
163 ; <label>:24 ; preds = %22
164 %25 = load i32, ptr %scevgep ; <i32> [#uses=1]
165 %26 = icmp ne i32 %25, 2 ; <i1> [#uses=1]
166 br i1 %26, label %27, label %28
168 ; <label>:27 ; preds = %24
171 ; <label>:28 ; preds = %24, %22
172 %29 = icmp sgt i32 %i.1, 20 ; <i1> [#uses=1]
173 br i1 %29, label %30, label %34
175 ; <label>:30 ; preds = %28
176 %31 = load i32, ptr %scevgep ; <i32> [#uses=1]
177 %32 = icmp ne i32 %31, 0 ; <i1> [#uses=1]
178 br i1 %32, label %33, label %34
180 ; <label>:33 ; preds = %30
183 ; <label>:34 ; preds = %30, %28
186 ; <label>:35 ; preds = %34, %20
189 ; <label>:36 ; preds = %35
192 ; <label>:37 ; preds = %36
193 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
196 ; <label>:38 ; preds = %10
199 ; <label>:39 ; preds = %38, %33, %27, %19, %6
200 %.0 = phi i32 [ 1, %6 ], [ 1, %19 ], [ 1, %27 ], [ 1, %33 ], [ 0, %38 ] ; <i32> [#uses=1]
204 declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i32, i1) nounwind
206 ; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1) {
207 ; CHECK: if (c0 <= 20) {
208 ; CHECK: Stmt_bb7(c0);
209 ; CHECK: } else if (c0 <= 512)
210 ; CHECK: Stmt_bb6(c0);
211 ; CHECK: Stmt_bb9(c0);
214 ; LOOPS-DAG: Loop at depth 1 containing: %bb1<header><exiting>,%bb2,%bb4,%bb7,%bb6,%bb8,%bb9,%bb10<latch>
215 ; LOOPS-DAG: Loop at depth 1 containing: %polly.loop_header<header>,%polly.cond,%polly.else,%polly.cond3,%polly.else6,%polly.then5,%polly.stmt.bb6,%polly.merge4,%polly.then,%polly.stmt.bb7,%polly.merge,%polly.stmt.bb9<latch><exiting>