| ; RUN: opt < %s -analyze -basicaa -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 | |
| } |