1; RUN: not --crash opt %loadPolly -polly-import-jscop -analyze 2>&1 < %s | FileCheck %s 2; 3; Check that we do not allow to access elements not accessed before because the 4; alignment information would become invalid. 5; 6; CHECK: JScop file changes the accessed memory 7; 8; void bad_alignment(int *A) { 9; for (int i = 0; i < 1024; i += 2) 10; A[i] = i; 11; } 12; 13target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 14 15define void @bad_alignment(i32* %A) { 16entry: 17 br label %for.cond 18 19for.cond: ; preds = %for.inc, %entry 20 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 21 %cmp = icmp slt i64 %indvars.iv, 1024 22 br i1 %cmp, label %for.body, label %for.end 23 24for.body: ; preds = %for.cond 25 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 26 %tmp = trunc i64 %indvars.iv to i32 27 store i32 %tmp, i32* %arrayidx, align 8 28 br label %for.inc 29 30for.inc: ; preds = %for.body 31 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2 32 br label %for.cond 33 34for.end: ; preds = %for.cond 35 ret void 36} 37