1 ; RUN: opt %loadPolly -basic-aa -polly-codegen -verify-loop-info < %s -S | FileCheck %s
3 target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-a0:0-n32"
5 @A = common global [1536 x float] zeroinitializer
7 ; This test case used to fail, because we did not add the newly generated basic
8 ; block %polly.start as a basic block to the surrounding loop.
9 define void @foo() nounwind {
11 br i1 undef, label %while.cond14.preheader, label %for.body7.single_entry.single_entry
13 while.cond14.preheader: ; preds = %for.inc02, %for.body7.single_entry.single_entry, %entry
16 for.body7.single_entry.single_entry: ; preds = %for.inc02, %entry
17 br i1 undef, label %while.cond14.preheader, label %while.body
19 while.body: ; preds = %while.body, %for.body7.single_entry.single_entry
20 %indvar35 = phi i32 [ %0, %while.body ], [ 0, %for.body7.single_entry.single_entry ]
21 %ptr = getelementptr [1536 x float], ptr @A, i64 0, i32 %indvar35
22 store float undef, ptr %ptr
23 %0 = add i32 %indvar35, 1
24 %exitcond2 = icmp eq i32 %0, 42
25 br i1 %exitcond2, label %for.inc02, label %while.body
27 for.inc02: ; preds = %while.body
28 br i1 undef, label %while.cond14.preheader, label %for.body7.single_entry.single_entry
31 ; CHECK: polly.split_new_and_old
32 ; CHECK: br i1 true, label %polly.start, label %while.body