1; RUN: opt %loadPolly -basic-aa -polly-codegen -verify-loop-info < %s -S | FileCheck %s 2 3target 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" 4 5@A = common global [1536 x float] zeroinitializer 6 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. 9define void @foo() nounwind { 10entry: 11 br i1 undef, label %while.cond14.preheader, label %for.body7.single_entry.single_entry 12 13while.cond14.preheader: ; preds = %for.inc02, %for.body7.single_entry.single_entry, %entry 14 ret void 15 16for.body7.single_entry.single_entry: ; preds = %for.inc02, %entry 17 br i1 undef, label %while.cond14.preheader, label %while.body 18 19while.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], [1536 x float]* @A, i64 0, i32 %indvar35 22 store float undef, float* %ptr 23 %0 = add i32 %indvar35, 1 24 %exitcond2 = icmp eq i32 %0, 42 25 br i1 %exitcond2, label %for.inc02, label %while.body 26 27for.inc02: ; preds = %while.body 28 br i1 undef, label %while.cond14.preheader, label %for.body7.single_entry.single_entry 29} 30 31; CHECK: polly.split_new_and_old 32; CHECK: br i1 true, label %polly.start, label %while.body 33