; RUN: not --crash opt %loadPolly -polly-import-jscop -analyze 2>&1 < %s | FileCheck %s ; ; Check that we do not allow to access elements not accessed before because the ; alignment information would become invalid. ; ; CHECK: JScop file changes the accessed memory ; ; void bad_alignment(int *A) { ; for (int i = 0; i < 1024; i += 2) ; A[i] = i; ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @bad_alignment(i32* %A) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %cmp = icmp slt i64 %indvars.iv, 1024 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp = trunc i64 %indvars.iv to i32 store i32 %tmp, i32* %arrayidx, align 8 br label %for.inc for.inc: ; preds = %for.body %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2 br label %for.cond for.end: ; preds = %for.cond ret void }