1 ; RUN: opt %loadPolly -polly-detect-unprofitable -polly-no-early-exit -polly-ast -analyze < %s | FileCheck %s
2 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"
3 target triple = "x86_64-pc-linux-gnu"
5 @A = common global [1024 x i32] zeroinitializer, align 16 ; <[1024 x i32]*> [#uses=3]
7 define void @bar(i64 %n) nounwind {
12 bb1: ; preds = %bb3, %bb
13 %i.0 = phi i64 [ 0, %bb ], [ %tmp, %bb3 ] ; <i64> [#uses=3]
14 %scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %i.0 ; <i32*> [#uses=1]
15 %exitcond = icmp ne i64 %i.0, %n ; <i1> [#uses=1]
16 br i1 %exitcond, label %bb2, label %bb4
19 store i32 1, i32* %scevgep
23 %tmp = add nsw i64 %i.0, 1 ; <i64> [#uses=1]
31 define i32 @main() nounwind {
33 call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false)
34 call void @bar(i64 1024)
37 bb1: ; preds = %bb7, %bb
38 %indvar = phi i64 [ %indvar.next, %bb7 ], [ 0, %bb ] ; <i64> [#uses=3]
39 %scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvar ; <i32*> [#uses=1]
40 %i.0 = trunc i64 %indvar to i32 ; <i32> [#uses=1]
41 %tmp = icmp slt i32 %i.0, 1024 ; <i1> [#uses=1]
42 br i1 %tmp, label %bb2, label %bb8
45 %tmp3 = load i32* %scevgep ; <i32> [#uses=1]
46 %tmp4 = icmp ne i32 %tmp3, 1 ; <i1> [#uses=1]
47 br i1 %tmp4, label %bb5, label %bb6
56 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
62 bb9: ; preds = %bb8, %bb5
63 %.0 = phi i32 [ 1, %bb5 ], [ 0, %bb8 ] ; <i32> [#uses=1]
67 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
69 ; CHECK: for (int c0 = 0; c0 < n; c0 += 1)
70 ; CHECK: Stmt_bb2(c0);