; RUN: opt < %s -analyze -basicaa -da | FileCheck %s ; ModuleID = 'Preliminary.bc' target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.6.0" ;;int p0(int n, int *A, int *B) { ;; A[0] = n; ;; return B[1]; define i32 @p0(i32 %n, i32* %A, i32* %B) nounwind uwtable ssp { entry: store i32 %n, i32* %A, align 4 ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! %arrayidx1 = getelementptr inbounds i32* %B, i64 1 %0 = load i32* %arrayidx1, align 4 ret i32 %0 } ;;int p1(int n, int *restrict A, int *restrict B) { ;; A[0] = n; ;; return B[1]; define i32 @p1(i32 %n, i32* noalias %A, i32* noalias %B) nounwind uwtable ssp { entry: store i32 %n, i32* %A, align 4 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - none! %arrayidx1 = getelementptr inbounds i32* %B, i64 1 %0 = load i32* %arrayidx1, align 4 ret i32 %0 } ;; for (long int i = 0; i < n; i++) { ;; for (long int j = 0; j < n; j++) { ;; for (long int k = 0; k < n; k++) { ;; A[i][j][k] = i; ;; } ;; for (long int k = 0; k < n; k++) { ;; *B++ = A[i + 3][j + 2][k + 1]; define void @p2(i64 %n, [100 x [100 x i64]]* %A, i64* %B) nounwind uwtable ssp { entry: %cmp10 = icmp sgt i64 %n, 0 br i1 %cmp10, label %for.cond1.preheader.preheader, label %for.end26 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [-3 -2]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - output [* * *]! for.cond1.preheader.preheader: ; preds = %entry br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc24 %B.addr.012 = phi i64* [ %B.addr.1.lcssa, %for.inc24 ], [ %B, %for.cond1.preheader.preheader ] %i.011 = phi i64 [ %inc25, %for.inc24 ], [ 0, %for.cond1.preheader.preheader ] %cmp26 = icmp sgt i64 %n, 0 br i1 %cmp26, label %for.cond4.preheader.preheader, label %for.inc24 for.cond4.preheader.preheader: ; preds = %for.cond1.preheader br label %for.cond4.preheader for.cond4.preheader: ; preds = %for.cond4.preheader.preheader, %for.inc21 %B.addr.18 = phi i64* [ %B.addr.2.lcssa, %for.inc21 ], [ %B.addr.012, %for.cond4.preheader.preheader ] %j.07 = phi i64 [ %inc22, %for.inc21 ], [ 0, %for.cond4.preheader.preheader ] %cmp51 = icmp sgt i64 %n, 0 br i1 %cmp51, label %for.body6.preheader, label %for.cond10.loopexit for.body6.preheader: ; preds = %for.cond4.preheader br label %for.body6 for.body6: ; preds = %for.body6.preheader, %for.body6 %k.02 = phi i64 [ %inc, %for.body6 ], [ 0, %for.body6.preheader ] %arrayidx8 = getelementptr inbounds [100 x [100 x i64]]* %A, i64 %i.011, i64 %j.07, i64 %k.02 store i64 %i.011, i64* %arrayidx8, align 8 %inc = add nsw i64 %k.02, 1 %exitcond13 = icmp ne i64 %inc, %n br i1 %exitcond13, label %for.body6, label %for.cond10.loopexit.loopexit for.cond10.loopexit.loopexit: ; preds = %for.body6 br label %for.cond10.loopexit for.cond10.loopexit: ; preds = %for.cond10.loopexit.loopexit, %for.cond4.preheader %cmp113 = icmp sgt i64 %n, 0 br i1 %cmp113, label %for.body12.preheader, label %for.inc21 for.body12.preheader: ; preds = %for.cond10.loopexit br label %for.body12 for.body12: ; preds = %for.body12.preheader, %for.body12 %k9.05 = phi i64 [ %inc19, %for.body12 ], [ 0, %for.body12.preheader ] %B.addr.24 = phi i64* [ %incdec.ptr, %for.body12 ], [ %B.addr.18, %for.body12.preheader ] %add = add nsw i64 %k9.05, 1 %add13 = add nsw i64 %j.07, 2 %add14 = add nsw i64 %i.011, 3 %arrayidx17 = getelementptr inbounds [100 x [100 x i64]]* %A, i64 %add14, i64 %add13, i64 %add %0 = load i64* %arrayidx17, align 8 %incdec.ptr = getelementptr inbounds i64* %B.addr.24, i64 1 store i64 %0, i64* %B.addr.24, align 8 %inc19 = add nsw i64 %k9.05, 1 %exitcond = icmp ne i64 %inc19, %n br i1 %exitcond, label %for.body12, label %for.inc21.loopexit for.inc21.loopexit: ; preds = %for.body12 %scevgep = getelementptr i64* %B.addr.18, i64 %n br label %for.inc21 for.inc21: ; preds = %for.inc21.loopexit, %for.cond10.loopexit %B.addr.2.lcssa = phi i64* [ %B.addr.18, %for.cond10.loopexit ], [ %scevgep, %for.inc21.loopexit ] %inc22 = add nsw i64 %j.07, 1 %exitcond14 = icmp ne i64 %inc22, %n br i1 %exitcond14, label %for.cond4.preheader, label %for.inc24.loopexit for.inc24.loopexit: ; preds = %for.inc21 %B.addr.2.lcssa.lcssa = phi i64* [ %B.addr.2.lcssa, %for.inc21 ] br label %for.inc24 for.inc24: ; preds = %for.inc24.loopexit, %for.cond1.preheader %B.addr.1.lcssa = phi i64* [ %B.addr.012, %for.cond1.preheader ], [ %B.addr.2.lcssa.lcssa, %for.inc24.loopexit ] %inc25 = add nsw i64 %i.011, 1 %exitcond15 = icmp ne i64 %inc25, %n br i1 %exitcond15, label %for.cond1.preheader, label %for.end26.loopexit for.end26.loopexit: ; preds = %for.inc24 br label %for.end26 for.end26: ; preds = %for.end26.loopexit, %entry ret void } ;; for (long int i = 0; i < n; i++) ;; for (long int j = 0; j < n; j++) ;; for (long int k = 0; k < n; k++) ;; for (long int l = 0; l < n; l++) ;; for (long int m = 0; m < n; m++) ;; for (long int o = 0; o < n; o++) ;; for (long int p = 0; p < n; p++) ;; for (long int q = 0; q < n; q++) ;; for (long int r = 0; r < n; r++) ;; for (long int s = 0; s < n; s++) ;; for (long int u = 0; u < n; u++) ;; for (long int t = 0; t < n; t++) { ;; A[i - 3] [j] [2] [k-1] [2*l + 1] [m] [p + q] [r + s] = i; ;; *B++ = A[i + 3] [2] [u] [1-k] [3*l - 1] [o] [1 + n] [t + 2]; define void @p3(i64 %n, [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]]* %A, i64* %B) nounwind uwtable ssp { entry: %cmp44 = icmp sgt i64 %n, 0 br i1 %cmp44, label %for.cond1.preheader.preheader, label %for.end90 ; CHECK: da analyze - output [0 0 0 0 0 S * * * * S S]! ; CHECK: da analyze - flow [-6 * * => * * * * * * * *] splitable! ; CHECK: da analyze - split level = 3, iteration = 1! ; CHECK: da analyze - confused! ; CHECK: da analyze - consistent input [0 S 0 0 S 0 S S S S 0 0]! ; CHECK: da analyze - confused! ; CHECK: da analyze - output [* * * * * * * * * * * *]! for.cond1.preheader.preheader: ; preds = %entry br label %for.cond1.preheader for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc88 %B.addr.046 = phi i64* [ %B.addr.1.lcssa, %for.inc88 ], [ %B, %for.cond1.preheader.preheader ] %i.045 = phi i64 [ %inc89, %for.inc88 ], [ 0, %for.cond1.preheader.preheader ] %cmp240 = icmp sgt i64 %n, 0 br i1 %cmp240, label %for.cond4.preheader.preheader, label %for.inc88 for.cond4.preheader.preheader: ; preds = %for.cond1.preheader br label %for.cond4.preheader for.cond4.preheader: ; preds = %for.cond4.preheader.preheader, %for.inc85 %B.addr.142 = phi i64* [ %B.addr.2.lcssa, %for.inc85 ], [ %B.addr.046, %for.cond4.preheader.preheader ] %j.041 = phi i64 [ %inc86, %for.inc85 ], [ 0, %for.cond4.preheader.preheader ] %cmp536 = icmp sgt i64 %n, 0 br i1 %cmp536, label %for.cond7.preheader.preheader, label %for.inc85 for.cond7.preheader.preheader: ; preds = %for.cond4.preheader br label %for.cond7.preheader for.cond7.preheader: ; preds = %for.cond7.preheader.preheader, %for.inc82 %B.addr.238 = phi i64* [ %B.addr.3.lcssa, %for.inc82 ], [ %B.addr.142, %for.cond7.preheader.preheader ] %k.037 = phi i64 [ %inc83, %for.inc82 ], [ 0, %for.cond7.preheader.preheader ] %cmp832 = icmp sgt i64 %n, 0 br i1 %cmp832, label %for.cond10.preheader.preheader, label %for.inc82 for.cond10.preheader.preheader: ; preds = %for.cond7.preheader br label %for.cond10.preheader for.cond10.preheader: ; preds = %for.cond10.preheader.preheader, %for.inc79 %B.addr.334 = phi i64* [ %B.addr.4.lcssa, %for.inc79 ], [ %B.addr.238, %for.cond10.preheader.preheader ] %l.033 = phi i64 [ %inc80, %for.inc79 ], [ 0, %for.cond10.preheader.preheader ] %cmp1128 = icmp sgt i64 %n, 0 br i1 %cmp1128, label %for.cond13.preheader.preheader, label %for.inc79 for.cond13.preheader.preheader: ; preds = %for.cond10.preheader br label %for.cond13.preheader for.cond13.preheader: ; preds = %for.cond13.preheader.preheader, %for.inc76 %B.addr.430 = phi i64* [ %B.addr.5.lcssa, %for.inc76 ], [ %B.addr.334, %for.cond13.preheader.preheader ] %m.029 = phi i64 [ %inc77, %for.inc76 ], [ 0, %for.cond13.preheader.preheader ] %cmp1424 = icmp sgt i64 %n, 0 br i1 %cmp1424, label %for.cond16.preheader.preheader, label %for.inc76 for.cond16.preheader.preheader: ; preds = %for.cond13.preheader br label %for.cond16.preheader for.cond16.preheader: ; preds = %for.cond16.preheader.preheader, %for.inc73 %B.addr.526 = phi i64* [ %B.addr.6.lcssa, %for.inc73 ], [ %B.addr.430, %for.cond16.preheader.preheader ] %o.025 = phi i64 [ %inc74, %for.inc73 ], [ 0, %for.cond16.preheader.preheader ] %cmp1720 = icmp sgt i64 %n, 0 br i1 %cmp1720, label %for.cond19.preheader.preheader, label %for.inc73 for.cond19.preheader.preheader: ; preds = %for.cond16.preheader br label %for.cond19.preheader for.cond19.preheader: ; preds = %for.cond19.preheader.preheader, %for.inc70 %B.addr.622 = phi i64* [ %B.addr.7.lcssa, %for.inc70 ], [ %B.addr.526, %for.cond19.preheader.preheader ] %p.021 = phi i64 [ %inc71, %for.inc70 ], [ 0, %for.cond19.preheader.preheader ] %cmp2016 = icmp sgt i64 %n, 0 br i1 %cmp2016, label %for.cond22.preheader.preheader, label %for.inc70 for.cond22.preheader.preheader: ; preds = %for.cond19.preheader br label %for.cond22.preheader for.cond22.preheader: ; preds = %for.cond22.preheader.preheader, %for.inc67 %B.addr.718 = phi i64* [ %B.addr.8.lcssa, %for.inc67 ], [ %B.addr.622, %for.cond22.preheader.preheader ] %q.017 = phi i64 [ %inc68, %for.inc67 ], [ 0, %for.cond22.preheader.preheader ] %cmp2312 = icmp sgt i64 %n, 0 br i1 %cmp2312, label %for.cond25.preheader.preheader, label %for.inc67 for.cond25.preheader.preheader: ; preds = %for.cond22.preheader br label %for.cond25.preheader for.cond25.preheader: ; preds = %for.cond25.preheader.preheader, %for.inc64 %B.addr.814 = phi i64* [ %B.addr.9.lcssa, %for.inc64 ], [ %B.addr.718, %for.cond25.preheader.preheader ] %r.013 = phi i64 [ %inc65, %for.inc64 ], [ 0, %for.cond25.preheader.preheader ] %cmp268 = icmp sgt i64 %n, 0 br i1 %cmp268, label %for.cond28.preheader.preheader, label %for.inc64 for.cond28.preheader.preheader: ; preds = %for.cond25.preheader br label %for.cond28.preheader for.cond28.preheader: ; preds = %for.cond28.preheader.preheader, %for.inc61 %B.addr.910 = phi i64* [ %B.addr.10.lcssa, %for.inc61 ], [ %B.addr.814, %for.cond28.preheader.preheader ] %s.09 = phi i64 [ %inc62, %for.inc61 ], [ 0, %for.cond28.preheader.preheader ] %cmp294 = icmp sgt i64 %n, 0 br i1 %cmp294, label %for.cond31.preheader.preheader, label %for.inc61 for.cond31.preheader.preheader: ; preds = %for.cond28.preheader br label %for.cond31.preheader for.cond31.preheader: ; preds = %for.cond31.preheader.preheader, %for.inc58 %u.06 = phi i64 [ %inc59, %for.inc58 ], [ 0, %for.cond31.preheader.preheader ] %B.addr.105 = phi i64* [ %B.addr.11.lcssa, %for.inc58 ], [ %B.addr.910, %for.cond31.preheader.preheader ] %cmp321 = icmp sgt i64 %n, 0 br i1 %cmp321, label %for.body33.preheader, label %for.inc58 for.body33.preheader: ; preds = %for.cond31.preheader br label %for.body33 for.body33: ; preds = %for.body33.preheader, %for.body33 %t.03 = phi i64 [ %inc, %for.body33 ], [ 0, %for.body33.preheader ] %B.addr.112 = phi i64* [ %incdec.ptr, %for.body33 ], [ %B.addr.105, %for.body33.preheader ] %add = add nsw i64 %r.013, %s.09 %add34 = add nsw i64 %p.021, %q.017 %mul = shl nsw i64 %l.033, 1 %add3547 = or i64 %mul, 1 %sub = add nsw i64 %k.037, -1 %sub36 = add nsw i64 %i.045, -3 %arrayidx43 = getelementptr inbounds [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]]* %A, i64 %sub36, i64 %j.041, i64 2, i64 %sub, i64 %add3547, i64 %m.029, i64 %add34, i64 %add store i64 %i.045, i64* %arrayidx43, align 8 %add44 = add nsw i64 %t.03, 2 %add45 = add nsw i64 %n, 1 %mul46 = mul nsw i64 %l.033, 3 %sub47 = add nsw i64 %mul46, -1 %sub48 = sub nsw i64 1, %k.037 %add49 = add nsw i64 %i.045, 3 %arrayidx57 = getelementptr inbounds [100 x [100 x [100 x [100 x [100 x [100 x [100 x i64]]]]]]]* %A, i64 %add49, i64 2, i64 %u.06, i64 %sub48, i64 %sub47, i64 %o.025, i64 %add45, i64 %add44 %0 = load i64* %arrayidx57, align 8 %incdec.ptr = getelementptr inbounds i64* %B.addr.112, i64 1 store i64 %0, i64* %B.addr.112, align 8 %inc = add nsw i64 %t.03, 1 %exitcond = icmp ne i64 %inc, %n br i1 %exitcond, label %for.body33, label %for.inc58.loopexit for.inc58.loopexit: ; preds = %for.body33 %scevgep = getelementptr i64* %B.addr.105, i64 %n br label %for.inc58 for.inc58: ; preds = %for.inc58.loopexit, %for.cond31.preheader %B.addr.11.lcssa = phi i64* [ %B.addr.105, %for.cond31.preheader ], [ %scevgep, %for.inc58.loopexit ] %inc59 = add nsw i64 %u.06, 1 %exitcond48 = icmp ne i64 %inc59, %n br i1 %exitcond48, label %for.cond31.preheader, label %for.inc61.loopexit for.inc61.loopexit: ; preds = %for.inc58 %B.addr.11.lcssa.lcssa = phi i64* [ %B.addr.11.lcssa, %for.inc58 ] br label %for.inc61 for.inc61: ; preds = %for.inc61.loopexit, %for.cond28.preheader %B.addr.10.lcssa = phi i64* [ %B.addr.910, %for.cond28.preheader ], [ %B.addr.11.lcssa.lcssa, %for.inc61.loopexit ] %inc62 = add nsw i64 %s.09, 1 %exitcond49 = icmp ne i64 %inc62, %n br i1 %exitcond49, label %for.cond28.preheader, label %for.inc64.loopexit for.inc64.loopexit: ; preds = %for.inc61 %B.addr.10.lcssa.lcssa = phi i64* [ %B.addr.10.lcssa, %for.inc61 ] br label %for.inc64 for.inc64: ; preds = %for.inc64.loopexit, %for.cond25.preheader %B.addr.9.lcssa = phi i64* [ %B.addr.814, %for.cond25.preheader ], [ %B.addr.10.lcssa.lcssa, %for.inc64.loopexit ] %inc65 = add nsw i64 %r.013, 1 %exitcond50 = icmp ne i64 %inc65, %n br i1 %exitcond50, label %for.cond25.preheader, label %for.inc67.loopexit for.inc67.loopexit: ; preds = %for.inc64 %B.addr.9.lcssa.lcssa = phi i64* [ %B.addr.9.lcssa, %for.inc64 ] br label %for.inc67 for.inc67: ; preds = %for.inc67.loopexit, %for.cond22.preheader %B.addr.8.lcssa = phi i64* [ %B.addr.718, %for.cond22.preheader ], [ %B.addr.9.lcssa.lcssa, %for.inc67.loopexit ] %inc68 = add nsw i64 %q.017, 1 %exitcond51 = icmp ne i64 %inc68, %n br i1 %exitcond51, label %for.cond22.preheader, label %for.inc70.loopexit for.inc70.loopexit: ; preds = %for.inc67 %B.addr.8.lcssa.lcssa = phi i64* [ %B.addr.8.lcssa, %for.inc67 ] br label %for.inc70 for.inc70: ; preds = %for.inc70.loopexit, %for.cond19.preheader %B.addr.7.lcssa = phi i64* [ %B.addr.622, %for.cond19.preheader ], [ %B.addr.8.lcssa.lcssa, %for.inc70.loopexit ] %inc71 = add nsw i64 %p.021, 1 %exitcond52 = icmp ne i64 %inc71, %n br i1 %exitcond52, label %for.cond19.preheader, label %for.inc73.loopexit for.inc73.loopexit: ; preds = %for.inc70 %B.addr.7.lcssa.lcssa = phi i64* [ %B.addr.7.lcssa, %for.inc70 ] br label %for.inc73 for.inc73: ; preds = %for.inc73.loopexit, %for.cond16.preheader %B.addr.6.lcssa = phi i64* [ %B.addr.526, %for.cond16.preheader ], [ %B.addr.7.lcssa.lcssa, %for.inc73.loopexit ] %inc74 = add nsw i64 %o.025, 1 %exitcond53 = icmp ne i64 %inc74, %n br i1 %exitcond53, label %for.cond16.preheader, label %for.inc76.loopexit for.inc76.loopexit: ; preds = %for.inc73 %B.addr.6.lcssa.lcssa = phi i64* [ %B.addr.6.lcssa, %for.inc73 ] br label %for.inc76 for.inc76: ; preds = %for.inc76.loopexit, %for.cond13.preheader %B.addr.5.lcssa = phi i64* [ %B.addr.430, %for.cond13.preheader ], [ %B.addr.6.lcssa.lcssa, %for.inc76.loopexit ] %inc77 = add nsw i64 %m.029, 1 %exitcond54 = icmp ne i64 %inc77, %n br i1 %exitcond54, label %for.cond13.preheader, label %for.inc79.loopexit for.inc79.loopexit: ; preds = %for.inc76 %B.addr.5.lcssa.lcssa = phi i64* [ %B.addr.5.lcssa, %for.inc76 ] br label %for.inc79 for.inc79: ; preds = %for.inc79.loopexit, %for.cond10.preheader %B.addr.4.lcssa = phi i64* [ %B.addr.334, %for.cond10.preheader ], [ %B.addr.5.lcssa.lcssa, %for.inc79.loopexit ] %inc80 = add nsw i64 %l.033, 1 %exitcond55 = icmp ne i64 %inc80, %n br i1 %exitcond55, label %for.cond10.preheader, label %for.inc82.loopexit for.inc82.loopexit: ; preds = %for.inc79 %B.addr.4.lcssa.lcssa = phi i64* [ %B.addr.4.lcssa, %for.inc79 ] br label %for.inc82 for.inc82: ; preds = %for.inc82.loopexit, %for.cond7.preheader %B.addr.3.lcssa = phi i64* [ %B.addr.238, %for.cond7.preheader ], [ %B.addr.4.lcssa.lcssa, %for.inc82.loopexit ] %inc83 = add nsw i64 %k.037, 1 %exitcond56 = icmp ne i64 %inc83, %n br i1 %exitcond56, label %for.cond7.preheader, label %for.inc85.loopexit for.inc85.loopexit: ; preds = %for.inc82 %B.addr.3.lcssa.lcssa = phi i64* [ %B.addr.3.lcssa, %for.inc82 ] br label %for.inc85 for.inc85: ; preds = %for.inc85.loopexit, %for.cond4.preheader %B.addr.2.lcssa = phi i64* [ %B.addr.142, %for.cond4.preheader ], [ %B.addr.3.lcssa.lcssa, %for.inc85.loopexit ] %inc86 = add nsw i64 %j.041, 1 %exitcond57 = icmp ne i64 %inc86, %n br i1 %exitcond57, label %for.cond4.preheader, label %for.inc88.loopexit for.inc88.loopexit: ; preds = %for.inc85 %B.addr.2.lcssa.lcssa = phi i64* [ %B.addr.2.lcssa, %for.inc85 ] br label %for.inc88 for.inc88: ; preds = %for.inc88.loopexit, %for.cond1.preheader %B.addr.1.lcssa = phi i64* [ %B.addr.046, %for.cond1.preheader ], [ %B.addr.2.lcssa.lcssa, %for.inc88.loopexit ] %inc89 = add nsw i64 %i.045, 1 %exitcond58 = icmp ne i64 %inc89, %n br i1 %exitcond58, label %for.cond1.preheader, label %for.end90.loopexit for.end90.loopexit: ; preds = %for.inc88 br label %for.end90 for.end90: ; preds = %for.end90.loopexit, %entry ret void } ;;void p4(int *A, int *B, long int n) { ;; for (char i = 0; i < n; i++) { ;; A[i + 2] = i; ;; *B++ = A[i]; define void @p4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: %cmp1 = icmp sgt i64 %n, 0 br i1 %cmp1, label %for.body.preheader, label %for.end ; CHECK: da analyze - output [*]! ; CHECK: da analyze - flow [*|<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body.preheader: ; preds = %entry br label %for.body for.body: ; preds = %for.body.preheader, %for.body %i.03 = phi i8 [ %inc, %for.body ], [ 0, %for.body.preheader ] %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] %conv2 = sext i8 %i.03 to i32 %conv3 = sext i8 %i.03 to i64 %add = add i64 %conv3, 2 %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv2, i32* %arrayidx, align 4 %idxprom4 = sext i8 %i.03 to i64 %arrayidx5 = getelementptr inbounds i32* %A, i64 %idxprom4 %0 = load i32* %arrayidx5, align 4 %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 store i32 %0, i32* %B.addr.02, align 4 %inc = add i8 %i.03, 1 %conv = sext i8 %inc to i64 %cmp = icmp slt i64 %conv, %n br i1 %cmp, label %for.body, label %for.end.loopexit for.end.loopexit: ; preds = %for.body br label %for.end for.end: ; preds = %for.end.loopexit, %entry ret void } ;;void p5(int *A, int *B, long int n) { ;; for (short i = 0; i < n; i++) { ;; A[i + 2] = i; ;; *B++ = A[i]; define void @p5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: %cmp1 = icmp sgt i64 %n, 0 br i1 %cmp1, label %for.body.preheader, label %for.end ; CHECK: da analyze - output [*]! ; CHECK: da analyze - flow [*|<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body.preheader: ; preds = %entry br label %for.body for.body: ; preds = %for.body.preheader, %for.body %i.03 = phi i16 [ %inc, %for.body ], [ 0, %for.body.preheader ] %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] %conv2 = sext i16 %i.03 to i32 %conv3 = sext i16 %i.03 to i64 %add = add i64 %conv3, 2 %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv2, i32* %arrayidx, align 4 %idxprom4 = sext i16 %i.03 to i64 %arrayidx5 = getelementptr inbounds i32* %A, i64 %idxprom4 %0 = load i32* %arrayidx5, align 4 %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 store i32 %0, i32* %B.addr.02, align 4 %inc = add i16 %i.03, 1 %conv = sext i16 %inc to i64 %cmp = icmp slt i64 %conv, %n br i1 %cmp, label %for.body, label %for.end.loopexit for.end.loopexit: ; preds = %for.body br label %for.end for.end: ; preds = %for.end.loopexit, %entry ret void } ;;void p6(int *A, int *B, long int n) { ;; for (int i = 0; i < n; i++) { ;; A[i + 2] = i; ;; *B++ = A[i]; define void @p6(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: %cmp1 = icmp sgt i64 %n, 0 br i1 %cmp1, label %for.body.preheader, label %for.end ; CHECK: da analyze - none! ; CHECK: da analyze - consistent flow [2]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body.preheader: ; preds = %entry br label %for.body for.body: ; preds = %for.body.preheader, %for.body %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ] %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] %0 = add nsw i64 %indvars.iv, 2 %arrayidx = getelementptr inbounds i32* %A, i64 %0 %1 = trunc i64 %indvars.iv to i32 store i32 %1, i32* %arrayidx, align 4 %arrayidx3 = getelementptr inbounds i32* %A, i64 %indvars.iv %2 = load i32* %arrayidx3, align 4 %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 store i32 %2, i32* %B.addr.02, align 4 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp ne i64 %indvars.iv.next, %n br i1 %exitcond, label %for.body, label %for.end.loopexit for.end.loopexit: ; preds = %for.body br label %for.end for.end: ; preds = %for.end.loopexit, %entry ret void } ;;void p7(unsigned *A, unsigned *B, char n) { ;; A[n] = 0; ;; *B = A[n + 1]; define void @p7(i32* %A, i32* %B, i8 signext %n) nounwind uwtable ssp { entry: %idxprom = sext i8 %n to i64 %arrayidx = getelementptr inbounds i32* %A, i64 %idxprom ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! store i32 0, i32* %arrayidx, align 4 %conv = sext i8 %n to i64 %add = add i64 %conv, 1 %arrayidx2 = getelementptr inbounds i32* %A, i64 %add %0 = load i32* %arrayidx2, align 4 store i32 %0, i32* %B, align 4 ret void } ;;void p8(unsigned *A, unsigned *B, short n) { ;; A[n] = 0; ;; *B = A[n + 1]; define void @p8(i32* %A, i32* %B, i16 signext %n) nounwind uwtable ssp { entry: %idxprom = sext i16 %n to i64 %arrayidx = getelementptr inbounds i32* %A, i64 %idxprom store i32 0, i32* %arrayidx, align 4 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! %conv = sext i16 %n to i64 %add = add i64 %conv, 1 %arrayidx2 = getelementptr inbounds i32* %A, i64 %add %0 = load i32* %arrayidx2, align 4 store i32 %0, i32* %B, align 4 ret void } ;;void p9(unsigned *A, unsigned *B, int n) { ;; A[n] = 0; ;; *B = A[n + 1]; define void @p9(i32* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: %idxprom = sext i32 %n to i64 %arrayidx = getelementptr inbounds i32* %A, i64 %idxprom store i32 0, i32* %arrayidx, align 4 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! %add = add nsw i32 %n, 1 %idxprom1 = sext i32 %add to i64 %arrayidx2 = getelementptr inbounds i32* %A, i64 %idxprom1 %0 = load i32* %arrayidx2, align 4 store i32 %0, i32* %B, align 4 ret void } ;;void p10(unsigned *A, unsigned *B, unsigned n) { ;; A[n] = 0; ;; *B = A[n + 1]; define void @p10(i32* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: %idxprom = zext i32 %n to i64 %arrayidx = getelementptr inbounds i32* %A, i64 %idxprom store i32 0, i32* %arrayidx, align 4 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! %add = add i32 %n, 1 %idxprom1 = zext i32 %add to i64 %arrayidx2 = getelementptr inbounds i32* %A, i64 %idxprom1 %0 = load i32* %arrayidx2, align 4 store i32 %0, i32* %B, align 4 ret void } ;;typedef struct { int v; } S; ;; ;;void f(S *s, unsigned size) { ;; S *i = s, *e = s + size - 1; ;; while (i != e) { ;; *i = *(i + 1); ;; ++i; %struct.S = type { i32 } define void @f(%struct.S* %s, i32 %size) nounwind uwtable ssp { entry: %idx.ext = zext i32 %size to i64 %add.ptr.sum = add i64 %idx.ext, -1 %add.ptr1 = getelementptr inbounds %struct.S* %s, i64 %add.ptr.sum %cmp1 = icmp eq i64 %add.ptr.sum, 0 br i1 %cmp1, label %while.end, label %while.body.preheader ; CHECK: da analyze - none! ; CHECK: da analyze - consistent anti [1]! ; CHECK: da analyze - none! while.body.preheader: ; preds = %entry br label %while.body while.body: ; preds = %while.body.preheader, %while.body %i.02 = phi %struct.S* [ %incdec.ptr, %while.body ], [ %s, %while.body.preheader ] %0 = getelementptr inbounds %struct.S* %i.02, i64 1, i32 0 %1 = load i32* %0, align 4 %2 = getelementptr inbounds %struct.S* %i.02, i64 0, i32 0 store i32 %1, i32* %2, align 4 %incdec.ptr = getelementptr inbounds %struct.S* %i.02, i64 1 %cmp = icmp eq %struct.S* %incdec.ptr, %add.ptr1 br i1 %cmp, label %while.end.loopexit, label %while.body while.end.loopexit: ; preds = %while.body br label %while.end while.end: ; preds = %while.end.loopexit, %entry ret void } declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind