; RUN: opt < %s -disable-output "-passes=print" -aa-pipeline=basic-aa 2>&1 \ ; RUN: | FileCheck %s ; RUN: opt < %s -analyze -enable-new-pm=0 -basic-aa -da | FileCheck %s target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "thumbv8m.main-arm-none-eabi" ; CHECK-LABEL: t1 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k] = define void @t1(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - consistent anti [0 0 0|<]! ; CHECK: da analyze - none! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 store i32 %add12, i32* %arrayidx, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t2 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k + 1] = define void @t2(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - anti [* * *|<]! ; CHECK: da analyze - output [* * *]! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %add111 = add nsw i32 %add11, 1 %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t3 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k - 1] = define void @t3(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - anti [* * *|<]! ; CHECK: da analyze - output [* * *]! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %add111 = sub nsw i32 %add11, 1 %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t4 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k + o] = define void @t4(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - anti [* * *|<]! ; CHECK: da analyze - output [* * *]! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %add111 = add nsw i32 %add11, %o %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t5 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k - o] = define void @t5(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - anti [* * *|<]! ; CHECK: da analyze - output [* * *]! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %add111 = sub nsw i32 %add11, %o %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t6 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k + m*o] = define void @t6(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - consistent anti [-1 0 0]! ; CHECK: da analyze - none! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %mo = mul i32 %m, %o %add111 = add nsw i32 %add11, %mo %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t7 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 0; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k - m*o] = define void @t7(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - consistent anti [1 0 0]! ; CHECK: da analyze - none! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 0, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %mo = mul i32 %m, %o %add111 = sub nsw i32 %add11, %mo %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: t8 ;; for (int i = 0; i < n; i++) ;; for (int j = 0; j < m; j++) ;; for (int k = 1; k < o; k++) ;; = A[i*m*o + j*o + k] ;; A[i*m*o + j*o + k - 1] = define void @t8(i32 %n, i32 %m, i32 %o, i32* nocapture %A) { ; CHECK: da analyze - none! ; CHECK: da analyze - consistent anti [0 0 1]! ; CHECK: da analyze - none! entry: %cmp49 = icmp sgt i32 %n, 0 br i1 %cmp49, label %for.cond1.preheader.lr.ph, label %for.cond.cleanup for.cond1.preheader.lr.ph: ; preds = %entry %cmp247 = icmp sgt i32 %m, 0 %cmp645 = icmp sgt i32 %o, 0 br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph %i.050 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc23, %for.cond.cleanup3 ] br i1 %cmp247, label %for.cond5.preheader.lr.ph, label %for.cond.cleanup3 for.cond5.preheader.lr.ph: ; preds = %for.cond1.preheader %mul = mul nsw i32 %i.050, %m br label %for.cond5.preheader for.cond5.preheader: ; preds = %for.cond.cleanup7, %for.cond5.preheader.lr.ph %j.048 = phi i32 [ 0, %for.cond5.preheader.lr.ph ], [ %inc20, %for.cond.cleanup7 ] br i1 %cmp645, label %for.body8.lr.ph, label %for.cond.cleanup7 for.body8.lr.ph: ; preds = %for.cond5.preheader %mul944 = add i32 %j.048, %mul %add = mul i32 %mul944, %o br label %for.body8 for.body8: ; preds = %for.body8, %for.body8.lr.ph %k.046 = phi i32 [ 1, %for.body8.lr.ph ], [ %inc, %for.body8 ] %add11 = add nsw i32 %k.046, %add %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add11 %0 = load i32, i32* %arrayidx, align 4 %add12 = add nsw i32 %0, 1 %add111 = sub nsw i32 %add11, 1 %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add111 store i32 %add12, i32* %arrayidx2, align 4 %inc = add nuw nsw i32 %k.046, 1 %exitcond = icmp eq i32 %inc, %o br i1 %exitcond, label %for.cond.cleanup7, label %for.body8 for.cond.cleanup7: ; preds = %for.body8, %for.cond5.preheader %inc20 = add nuw nsw i32 %j.048, 1 %exitcond51 = icmp eq i32 %inc20, %m br i1 %exitcond51, label %for.cond.cleanup3, label %for.cond5.preheader for.cond.cleanup3: ; preds = %for.cond.cleanup7, %for.cond1.preheader %inc23 = add nuw nsw i32 %i.050, 1 %exitcond52 = icmp eq i32 %inc23, %n br i1 %exitcond52, label %for.cond.cleanup, label %for.cond1.preheader for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry ret void } ; CHECK-LABEL: test_sizes define double @test_sizes(i16 %h, i16 %N, i16* nocapture %array) { ; CHECK: da analyze - consistent input [0 S]! ; CHECK: da analyze - anti [* *|<]! ; CHECK: da analyze - output [* *]! entry: %cmp28 = icmp sgt i16 %N, 1 br i1 %cmp28, label %for.body.lr.ph, label %for.end12 for.body.lr.ph: ; preds = %entry %cmp425 = icmp slt i16 %h, 0 %0 = add i16 %h, 1 %wide.trip.count = zext i16 %N to i32 br label %for.body for.body: ; preds = %for.inc10, %for.body.lr.ph %indvars.iv32 = phi i32 [ 1, %for.body.lr.ph ], [ %indvars.iv.next33, %for.inc10 ] %indvars.iv = phi i16 [ 2, %for.body.lr.ph ], [ %indvars.iv.next, %for.inc10 ] br i1 %cmp425, label %for.inc10, label %for.body5.lr.ph for.body5.lr.ph: ; preds = %for.body %1 = sext i16 %indvars.iv to i32 %arrayidx = getelementptr inbounds i16, i16* %array, i32 %indvars.iv32 br label %for.body5 for.body5: ; preds = %for.body5, %for.body5.lr.ph %indvars.iv30 = phi i32 [ %indvars.iv.next31, %for.body5 ], [ %1, %for.body5.lr.ph ] %j.027 = phi i16 [ %inc, %for.body5 ], [ 0, %for.body5.lr.ph ] %2 = load i16, i16* %arrayidx, align 4 %add6 = add nsw i16 %2, %j.027 %arrayidx8 = getelementptr inbounds i16, i16* %array, i32 %indvars.iv30 store i16 %add6, i16* %arrayidx8, align 4 %inc = add nuw nsw i16 %j.027, 1 %indvars.iv.next31 = add nsw i32 %indvars.iv30, 1 %exitcond = icmp eq i16 %inc, %0 br i1 %exitcond, label %for.inc10, label %for.body5 for.inc10: ; preds = %for.body5, %for.body %indvars.iv.next33 = add nuw nsw i32 %indvars.iv32, 1 %indvars.iv.next = add i16 %indvars.iv, %0 %exitcond34 = icmp eq i32 %indvars.iv.next33, %wide.trip.count br i1 %exitcond34, label %for.end12, label %for.body for.end12: ; preds = %for.inc10, %entry ret double undef } ; CHECK-LABEL: nonnegative define void @nonnegative(i32* nocapture %A, i32 %N) { ; CHECK: da analyze - none! ; CHECK: da analyze - consistent output [0 0|<]! ; CHECK: da analyze - none! entry: %cmp44 = icmp eq i32 %N, 0 br i1 %cmp44, label %exit, label %for.outer for.outer: %h.045 = phi i32 [ %add19, %for.latch ], [ 0, %entry ] %mul = mul i32 %h.045, %N br label %for.inner for.inner: %i.043 = phi i32 [ 0, %for.outer ], [ %add16, %for.inner ] %add = add i32 %i.043, %mul %arrayidx = getelementptr inbounds i32, i32* %A, i32 %add store i32 1, i32* %arrayidx, align 4 store i32 2, i32* %arrayidx, align 4 %add16 = add nuw i32 %i.043, 1 %exitcond46 = icmp eq i32 %add16, %N br i1 %exitcond46, label %for.latch, label %for.inner for.latch: %add19 = add nuw i32 %h.045, 1 %exitcond47 = icmp eq i32 %add19, %N br i1 %exitcond47, label %exit, label %for.outer exit: ret void }