1 ; RUN: opt %loadPolly -polly-detect-unprofitable -polly-no-early-exit -basicaa -polly-ast -analyze < %s | FileCheck %s
8 ;void loop_with_condition_ineq() {
11 ; __sync_synchronize();
12 ; for (i = 0; i < N; i++) {
19 ; __sync_synchronize();
25 ; memset(A, 0, sizeof(int) * N);
26 ; memset(B, 0, sizeof(int) * N);
28 ; loop_with_condition_ineq();
30 ; for (i = 0; i < N; i++)
34 ; for (i = 0; i < N; i++)
35 ; if (i != N / 2 && A[i] != 1)
37 ; else if (i == N && A[i] != 2)
42 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"
43 target triple = "x86_64-pc-linux-gnu"
45 @A = common global [1024 x i32] zeroinitializer, align 16 ; <[1024 x i32]*> [#uses=4]
46 @B = common global [1024 x i32] zeroinitializer, align 16 ; <[1024 x i32]*> [#uses=4]
48 define void @loop_with_condition_ineq() nounwind {
53 ; <label>:1 ; preds = %7, %0
54 %indvar = phi i64 [ %indvar.next, %7 ], [ 0, %0 ] ; <i64> [#uses=5]
55 %scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvar ; <i32*> [#uses=2]
56 %scevgep1 = getelementptr [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvar ; <i32*> [#uses=1]
57 %i.0 = trunc i64 %indvar to i32 ; <i32> [#uses=1]
58 %exitcond = icmp ne i64 %indvar, 1024 ; <i1> [#uses=1]
59 br i1 %exitcond, label %2, label %8
61 ; <label>:2 ; preds = %1
62 %3 = icmp ne i32 %i.0, 512 ; <i1> [#uses=1]
63 br i1 %3, label %4, label %5
65 ; <label>:4 ; preds = %2
66 store i32 1, i32* %scevgep
69 ; <label>:5 ; preds = %2
70 store i32 2, i32* %scevgep
73 ; <label>:6 ; preds = %5, %4
74 store i32 3, i32* %scevgep1
77 ; <label>:7 ; preds = %6
78 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
81 ; <label>:8 ; preds = %1
86 define i32 @main() nounwind {
88 call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false)
89 call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @B to i8*), i8 0, i64 4096, i32 1, i1 false)
90 call void @loop_with_condition_ineq()
93 ; <label>:1 ; preds = %8, %0
94 %indvar1 = phi i64 [ %indvar.next2, %8 ], [ 0, %0 ] ; <i64> [#uses=3]
95 %scevgep3 = getelementptr [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvar1 ; <i32*> [#uses=1]
96 %i.0 = trunc i64 %indvar1 to i32 ; <i32> [#uses=1]
97 %2 = icmp slt i32 %i.0, 1024 ; <i1> [#uses=1]
98 br i1 %2, label %3, label %9
100 ; <label>:3 ; preds = %1
101 %4 = load i32* %scevgep3 ; <i32> [#uses=1]
102 %5 = icmp ne i32 %4, 3 ; <i1> [#uses=1]
103 br i1 %5, label %6, label %7
105 ; <label>:6 ; preds = %3
108 ; <label>:7 ; preds = %3
111 ; <label>:8 ; preds = %7
112 %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1]
115 ; <label>:9 ; preds = %1
118 ; <label>:10 ; preds = %26, %9
119 %indvar = phi i64 [ %indvar.next, %26 ], [ 0, %9 ] ; <i64> [#uses=3]
120 %scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvar ; <i32*> [#uses=2]
121 %i.1 = trunc i64 %indvar to i32 ; <i32> [#uses=3]
122 %11 = icmp slt i32 %i.1, 1024 ; <i1> [#uses=1]
123 br i1 %11, label %12, label %27
125 ; <label>:12 ; preds = %10
126 %13 = icmp ne i32 %i.1, 512 ; <i1> [#uses=1]
127 br i1 %13, label %14, label %18
129 ; <label>:14 ; preds = %12
130 %15 = load i32* %scevgep ; <i32> [#uses=1]
131 %16 = icmp ne i32 %15, 1 ; <i1> [#uses=1]
132 br i1 %16, label %17, label %18
134 ; <label>:17 ; preds = %14
137 ; <label>:18 ; preds = %14, %12
138 %19 = icmp eq i32 %i.1, 1024 ; <i1> [#uses=1]
139 br i1 %19, label %20, label %24
141 ; <label>:20 ; preds = %18
142 %21 = load i32* %scevgep ; <i32> [#uses=1]
143 %22 = icmp ne i32 %21, 2 ; <i1> [#uses=1]
144 br i1 %22, label %23, label %24
146 ; <label>:23 ; preds = %20
149 ; <label>:24 ; preds = %20, %18
152 ; <label>:25 ; preds = %24
155 ; <label>:26 ; preds = %25
156 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
159 ; <label>:27 ; preds = %10
162 ; <label>:28 ; preds = %27, %23, %17, %6
163 %.0 = phi i32 [ 1, %6 ], [ 1, %17 ], [ 1, %23 ], [ 0, %27 ] ; <i32> [#uses=1]
167 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
169 ; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1) {
170 ; CHECK: if (c0 >= 513) {
172 ; CHECK: } else if (c0 <= 511) {
175 ; CHECK: Stmt_5(512);