1; REQUIRES: asserts 2; RUN: opt < %s -passes='print<delinearization>' -disable-output -debug 2>&1 2>&1 | FileCheck %s 3; void foo (int m, int n, char *A) { 4; for (int i=0; i < m; i++) 5; for(int j=0; j< n; j++) 6; A[i*n+j] += 1; 7;} 8 9; ModuleID = 'delin.cpp' 10;target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" 11;target triple = "aarch64--linux-gnu" 12 13; CHECK-LABEL: Delinearization on function foo 14; CHECK: Inst: %4 = load i8, ptr %arrayidx.us, align 1 15; CHECK: Subscripts 16; CHECK-NEXT: {0,+,1}<nuw><nsw><%for.body3.lr.ph.us> 17; CHECK-NEXT: {0,+,1}<nuw><nsw><%for.body3.us> 18; CHECK: succeeded to delinearize 19 20define void @foo(i32 %m, i32 %n, ptr nocapture %A) #0 { 21entry: 22 br label %entry.split 23 24entry.split: ; preds = %entry 25 %cmp15 = icmp sgt i32 %m, 0 26 %cmp213 = icmp sgt i32 %n, 0 27 %or.cond = and i1 %cmp15, %cmp213 28 br i1 %or.cond, label %for.cond1.preheader.lr.ph.split.us, label %for.end8 29 30for.cond1.preheader.lr.ph.split.us: ; preds = %entry.split 31 %0 = add i32 %n, -1 32 %1 = sext i32 %n to i64 33 %2 = add i32 %m, -1 34 br label %for.body3.lr.ph.us 35 36for.body3.us: ; preds = %for.body3.us, %for.body3.lr.ph.us 37 %indvars.iv = phi i64 [ 0, %for.body3.lr.ph.us ], [ %indvars.iv.next, %for.body3.us ] 38 %3 = add nsw i64 %indvars.iv, %5 39 %arrayidx.us = getelementptr inbounds i8, ptr %A, i64 %3 40 %4 = load i8, ptr %arrayidx.us, align 1 41 %add4.us = add i8 %4, 1 42 store i8 %add4.us, ptr %arrayidx.us, align 1 43 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 44 %lftr.wideiv = trunc i64 %indvars.iv to i32 45 %exitcond = icmp eq i32 %lftr.wideiv, %0 46 br i1 %exitcond, label %for.cond1.for.inc6_crit_edge.us, label %for.body3.us 47 48for.body3.lr.ph.us: ; preds = %for.cond1.for.inc6_crit_edge.us, %for.cond1.preheader.lr.ph.split.us 49 %indvars.iv19 = phi i64 [ %indvars.iv.next20, %for.cond1.for.inc6_crit_edge.us ], [ 0, %for.cond1.preheader.lr.ph.split.us ] 50 %5 = mul nsw i64 %indvars.iv19, %1 51 br label %for.body3.us 52 53for.cond1.for.inc6_crit_edge.us: ; preds = %for.body3.us 54 %indvars.iv.next20 = add nuw nsw i64 %indvars.iv19, 1 55 %lftr.wideiv22 = trunc i64 %indvars.iv19 to i32 56 %exitcond23 = icmp eq i32 %lftr.wideiv22, %2 57 br i1 %exitcond23, label %for.end8.loopexit, label %for.body3.lr.ph.us 58 59for.end8.loopexit: ; preds = %for.cond1.for.inc6_crit_edge.us 60 br label %for.end8 61 62for.end8: ; preds = %for.end8.loopexit, %entry.split 63 ret void 64} 65