; RUN: opt < %s -analyze -delinearize | FileCheck %s ; XFAIL: * ; We do not recognize anymore variable size arrays. ; extern void bar(long n, long m, double A[n][m]); ; ; void foo(long a, long b) { ; for (long n = 1; n < a; ++n) ; for (long m = 1; m < b; ++m) { ; double A[n][m]; ; for (long i = 0; i < n; i++) ; for (long j = 0; j < m; j++) ; A[i][j] = 1.0; ; bar(n, m, A); ; } ; } ; AddRec: {{%vla.us,+,{8,+,8}<%for.cond7.preheader.lr.ph.split.us.us>}<%for.body9.lr.ph.us.us>,+,8}<%for.body9.us.us> ; CHECK: Base offset: %vla.us ; CHECK: ArrayDecl[UnknownSize][{1,+,1}<%for.cond7.preheader.lr.ph.split.us.us>] with elements of sizeof(double) bytes. ; CHECK: ArrayRef[{0,+,1}<%for.body9.lr.ph.us.us>][{0,+,1}<%for.body9.us.us>] define void @foo(i64 %a, i64 %b) nounwind uwtable { entry: %cmp43 = icmp sgt i64 %a, 1 br i1 %cmp43, label %for.cond1.preheader.lr.ph, label %for.end19 for.cond1.preheader.lr.ph: ; preds = %entry %cmp224 = icmp sgt i64 %b, 1 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.inc17, %for.cond1.preheader.lr.ph %indvars.iv51 = phi i64 [ 1, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next52, %for.inc17 ] br i1 %cmp224, label %for.cond7.preheader.lr.ph.split.us.us, label %for.inc17 for.end13.us: ; preds = %for.inc11.us.us call void @bar(i64 %indvars.iv51, i64 %indvars.iv48, double* %vla.us) nounwind call void @llvm.stackrestore(i8* %1) %indvars.iv.next49 = add i64 %indvars.iv48, 1 %exitcond54 = icmp eq i64 %indvars.iv.next49, %b br i1 %exitcond54, label %for.inc17, label %for.cond7.preheader.lr.ph.split.us.us for.inc11.us.us: ; preds = %for.body9.us.us %inc12.us.us = add nsw i64 %i.023.us.us, 1 %exitcond53 = icmp eq i64 %inc12.us.us, %indvars.iv51 br i1 %exitcond53, label %for.end13.us, label %for.body9.lr.ph.us.us for.body9.lr.ph.us.us: ; preds = %for.cond7.preheader.lr.ph.split.us.us, %for.inc11.us.us %i.023.us.us = phi i64 [ 0, %for.cond7.preheader.lr.ph.split.us.us ], [ %inc12.us.us, %for.inc11.us.us ] %0 = mul nsw i64 %i.023.us.us, %indvars.iv48 br label %for.body9.us.us for.body9.us.us: ; preds = %for.body9.us.us, %for.body9.lr.ph.us.us %j.021.us.us = phi i64 [ 0, %for.body9.lr.ph.us.us ], [ %inc.us.us, %for.body9.us.us ] %arrayidx.sum.us.us = add i64 %j.021.us.us, %0 %arrayidx10.us.us = getelementptr inbounds double* %vla.us, i64 %arrayidx.sum.us.us store double 1.000000e+00, double* %arrayidx10.us.us, align 8 %inc.us.us = add nsw i64 %j.021.us.us, 1 %exitcond50 = icmp eq i64 %inc.us.us, %indvars.iv48 br i1 %exitcond50, label %for.inc11.us.us, label %for.body9.us.us for.cond7.preheader.lr.ph.split.us.us: ; preds = %for.cond1.preheader, %for.end13.us %indvars.iv48 = phi i64 [ %indvars.iv.next49, %for.end13.us ], [ 1, %for.cond1.preheader ] %1 = call i8* @llvm.stacksave() %2 = mul nuw i64 %indvars.iv48, %indvars.iv51 %vla.us = alloca double, i64 %2, align 16 br label %for.body9.lr.ph.us.us for.inc17: ; preds = %for.end13.us, %for.cond1.preheader %indvars.iv.next52 = add i64 %indvars.iv51, 1 %exitcond55 = icmp eq i64 %indvars.iv.next52, %a br i1 %exitcond55, label %for.end19, label %for.cond1.preheader for.end19: ; preds = %for.inc17, %entry ret void } declare i8* @llvm.stacksave() nounwind declare void @bar(i64, i64, double*) declare void @llvm.stackrestore(i8*) nounwind