diff options
Diffstat (limited to 'test/Analysis/DependenceAnalysis/Propagating.ll')
| -rw-r--r-- | test/Analysis/DependenceAnalysis/Propagating.ll | 302 |
1 files changed, 185 insertions, 117 deletions
diff --git a/test/Analysis/DependenceAnalysis/Propagating.ll b/test/Analysis/DependenceAnalysis/Propagating.ll index 076348c..7a7219d 100644 --- a/test/Analysis/DependenceAnalysis/Propagating.ll +++ b/test/Analysis/DependenceAnalysis/Propagating.ll @@ -6,7 +6,7 @@ target triple = "x86_64-apple-macosx10.6.0" ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) +;; for (long int j = 0; j < 100; j++) { ;; A[i + 1][i + j] = i; ;; *B++ = A[i][i + j]; @@ -14,12 +14,19 @@ define void @prop0([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc9, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc9 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - consistent flow [1 -1]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc9 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc9 ] %i.03 = phi i64 [ 0, %entry ], [ %inc10, %for.inc9 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -30,17 +37,17 @@ for.body3: ; preds = %for.body3, %for.con %add6 = add nsw i64 %i.03, %j.02 %arrayidx8 = getelementptr inbounds [100 x i32]* %A, i64 %i.03, i64 %add6 %0 = load i32* %arrayidx8, align 4 -; CHECK: da analyze - consistent flow [1 -1]! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc9 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc9 for.inc9: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc10 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc10, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end11 + %exitcond5 = icmp ne i64 %inc10, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end11 for.end11: ; preds = %for.inc9 ret void @@ -49,25 +56,32 @@ for.end11: ; preds = %for.inc9 ;; for (long int i = 0; i < 100; i++) ;; for (long int j = 0; j < 100; j++) -;; for (long int k = 0; k < 100; k++) -;; A[j - i][i + 1][j + k] = ... -;; ... = A[j - i][i][j + k]; +;; for (long int k = 0; k < 100; k++) { +;; A[j - i][i + 1][j + k] = i; +;; *B++ = A[j - i][i][j + k]; define void @prop1([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc18, %entry - %B.addr.06 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc18 ] +; CHECK: da analyze - consistent output [0 0 0|<]! +; CHECK: da analyze - consistent flow [1 1 -1]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc18 + %B.addr.06 = phi i32* [ %B, %entry ], [ %scevgep7, %for.inc18 ] %i.05 = phi i64 [ 0, %entry ], [ %inc19, %for.inc18 ] br label %for.cond4.preheader -for.cond4.preheader: ; preds = %for.inc15, %for.cond1.preheader - %B.addr.14 = phi i32* [ %B.addr.06, %for.cond1.preheader ], [ %incdec.ptr, %for.inc15 ] +for.cond4.preheader: ; preds = %for.cond1.preheader, %for.inc15 + %B.addr.14 = phi i32* [ %B.addr.06, %for.cond1.preheader ], [ %scevgep, %for.inc15 ] %j.03 = phi i64 [ 0, %for.cond1.preheader ], [ %inc16, %for.inc15 ] br label %for.body6 -for.body6: ; preds = %for.body6, %for.cond4.preheader +for.body6: ; preds = %for.cond4.preheader, %for.body6 %k.02 = phi i64 [ 0, %for.cond4.preheader ], [ %inc, %for.body6 ] %B.addr.21 = phi i32* [ %B.addr.14, %for.cond4.preheader ], [ %incdec.ptr, %for.body6 ] %conv = trunc i64 %i.05 to i32 @@ -80,22 +94,23 @@ for.body6: ; preds = %for.body6, %for.con %sub11 = sub nsw i64 %j.03, %i.05 %arrayidx14 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %sub11, i64 %i.05, i64 %add10 %0 = load i32* %arrayidx14, align 4 -; CHECK: da analyze - consistent flow [1 1 -1]! %incdec.ptr = getelementptr inbounds i32* %B.addr.21, i64 1 store i32 %0, i32* %B.addr.21, align 4 %inc = add nsw i64 %k.02, 1 - %cmp5 = icmp slt i64 %inc, 100 - br i1 %cmp5, label %for.body6, label %for.inc15 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body6, label %for.inc15 for.inc15: ; preds = %for.body6 + %scevgep = getelementptr i32* %B.addr.14, i64 100 %inc16 = add nsw i64 %j.03, 1 - %cmp2 = icmp slt i64 %inc16, 100 - br i1 %cmp2, label %for.cond4.preheader, label %for.inc18 + %exitcond8 = icmp ne i64 %inc16, 100 + br i1 %exitcond8, label %for.cond4.preheader, label %for.inc18 for.inc18: ; preds = %for.inc15 + %scevgep7 = getelementptr i32* %B.addr.06, i64 10000 %inc19 = add nsw i64 %i.05, 1 - %cmp = icmp slt i64 %inc19, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end20 + %exitcond9 = icmp ne i64 %inc19, 100 + br i1 %exitcond9, label %for.cond1.preheader, label %for.end20 for.end20: ; preds = %for.inc18 ret void @@ -103,20 +118,27 @@ for.end20: ; preds = %for.inc18 ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[i - 1][2*i] = ... -;; ... = A[i][i + j + 110]; +;; for (long int j = 0; j < 100; j++) { +;; A[i - 1][2*i] = i; +;; *B++ = A[i][i + j + 110]; define void @prop2([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc8, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc8 ] +; CHECK: da analyze - consistent output [0 S|<]! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc8 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc8 ] %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -128,17 +150,17 @@ for.body3: ; preds = %for.body3, %for.con %add5 = add nsw i64 %add, 110 %arrayidx7 = getelementptr inbounds [100 x i32]* %A, i64 %i.03, i64 %add5 %0 = load i32* %arrayidx7, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc8 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc8 for.inc8: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc9 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc9, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end10 + %exitcond5 = icmp ne i64 %inc9, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 for.end10: ; preds = %for.inc8 ret void @@ -146,20 +168,27 @@ for.end10: ; preds = %for.inc8 ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[i][2*j + i] = ... -;; ... = A[i][2*j - i + 5]; +;; for (long int j = 0; j < 100; j++) { +;; A[i][2*j + i] = i; +;; *B++ = A[i][2*j - i + 5]; define void @prop3([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc9, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc9 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc9 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc9 ] %i.03 = phi i64 [ 0, %entry ], [ %inc10, %for.inc9 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -172,39 +201,45 @@ for.body3: ; preds = %for.body3, %for.con %add6 = add nsw i64 %sub, 5 %arrayidx8 = getelementptr inbounds [100 x i32]* %A, i64 %i.03, i64 %add6 %0 = load i32* %arrayidx8, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc9 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc9 for.inc9: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc10 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc10, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end11 + %exitcond5 = icmp ne i64 %inc10, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end11 for.end11: ; preds = %for.inc9 ret void } -;; propagate Distance ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[i + 2][2*i + j + 1] = ... -;; ... = A[i][2*i + j]; +;; for (long int j = 0; j < 100; j++) { +;; A[i + 2][2*i + j + 1] = i; +;; *B++ = A[i][2*i + j]; define void @prop4([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc11, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc11 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - consistent flow [2 -3]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc11 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc11 ] %i.03 = phi i64 [ 0, %entry ], [ %inc12, %for.inc11 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -218,39 +253,46 @@ for.body3: ; preds = %for.body3, %for.con %add8 = add nsw i64 %mul7, %j.02 %arrayidx10 = getelementptr inbounds [100 x i32]* %A, i64 %i.03, i64 %add8 %0 = load i32* %arrayidx10, align 4 -; CHECK: da analyze - consistent flow [2 -3]! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc11 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc11 for.inc11: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc12 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc12, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end13 + %exitcond5 = icmp ne i64 %inc12, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end13 for.end13: ; preds = %for.inc11 ret void } -;; propagate Point ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[3*i - 18][22 - i][2*i + j] = ... -;; ... = A[i][i][3*i + j]; +;; for (long int j = 0; j < 100; j++) { +;; A[3*i - 18][22 - i][2*i + j] = i; +;; *B++ = A[i][i][3*i + j]; define void @prop5([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc13, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc13 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - flow [< -16] splitable! +; CHECK: da analyze - split level = 1, iteration = 11! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc13 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc13 ] %i.03 = phi i64 [ 0, %entry ], [ %inc14, %for.inc13 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -265,40 +307,45 @@ for.body3: ; preds = %for.body3, %for.con %add9 = add nsw i64 %mul8, %j.02 %arrayidx12 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %i.03, i64 %i.03, i64 %add9 %0 = load i32* %arrayidx12, align 4 -; CHECK: da analyze - flow [< -16] splitable! -; CHECK: da analyze - split level = 1, iteration = 11! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc13 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc13 for.inc13: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc14 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc14, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end15 + %exitcond5 = icmp ne i64 %inc14, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end15 for.end15: ; preds = %for.inc13 ret void } -;; propagate Line ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[i + 1][4*i + j + 2] = ... -;; ... = A[2*i][8*i + j]; +;; for (long int j = 0; j < 100; j++) { +;; A[i + 1][4*i + j + 2] = i; +;; *B++ = A[2*i][8*i + j]; define void @prop6([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc12, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc12 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - flow [=> -2]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc12 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc12 ] %i.03 = phi i64 [ 0, %entry ], [ %inc13, %for.inc12 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -313,17 +360,17 @@ for.body3: ; preds = %for.body3, %for.con %mul9 = shl nsw i64 %i.03, 1 %arrayidx11 = getelementptr inbounds [100 x i32]* %A, i64 %mul9, i64 %add8 %0 = load i32* %arrayidx11, align 4 -; CHECK: da analyze - flow [=> -2]! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc12 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc12 for.inc12: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc13 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc13, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end14 + %exitcond5 = icmp ne i64 %inc13, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end14 for.end14: ; preds = %for.inc12 ret void @@ -331,20 +378,28 @@ for.end14: ; preds = %for.inc12 ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[2*i + 4][-5*i + j + 2] = ... -;; ... = A[-2*i + 20][5*i + j]; +;; for (long int j = 0; j < 100; j++) { +;; A[2*i + 4][-5*i + j + 2] = i; +;; *B++ = A[-2*i + 20][5*i + j]; define void @prop7([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc14, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc14 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - flow [* -38] splitable! +; CHECK: da analyze - split level = 1, iteration = 4! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc14 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc14 ] %i.03 = phi i64 [ 0, %entry ], [ %inc15, %for.inc14 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -361,18 +416,17 @@ for.body3: ; preds = %for.body3, %for.con %add11 = add nsw i64 %mul10, 20 %arrayidx13 = getelementptr inbounds [100 x i32]* %A, i64 %add11, i64 %add9 %0 = load i32* %arrayidx13, align 4 -; CHECK: da analyze - flow [* -38] splitable! -; CHECK: da analyze - split level = 1, iteration = 4! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc14 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc14 for.inc14: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc15 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc15, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end16 + %exitcond5 = icmp ne i64 %inc15, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end16 for.end16: ; preds = %for.inc14 ret void @@ -380,20 +434,27 @@ for.end16: ; preds = %for.inc14 ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[4][j + 2] = ... -;; ... = A[-2*i + 4][5*i + j]; +;; for (long int j = 0; j < 100; j++) { +;; A[4][j + 2] = i; +;; *B++ = A[-2*i + 4][5*i + j]; define void @prop8([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc10, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc10 ] +; CHECK: da analyze - consistent output [S 0|<]! +; CHECK: da analyze - flow [p<= 2]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [0 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc10 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc10 ] %i.03 = phi i64 [ 0, %entry ], [ %inc11, %for.inc10 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -406,17 +467,17 @@ for.body3: ; preds = %for.body3, %for.con %add7 = add nsw i64 %mul6, 4 %arrayidx9 = getelementptr inbounds [100 x i32]* %A, i64 %add7, i64 %add5 %0 = load i32* %arrayidx9, align 4 -; CHECK: da analyze - flow [p<= 2]! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc10 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc10 for.inc10: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc11 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc11, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end12 + %exitcond5 = icmp ne i64 %inc11, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end12 for.end12: ; preds = %for.inc10 ret void @@ -424,20 +485,27 @@ for.end12: ; preds = %for.inc10 ;; for (long int i = 0; i < 100; i++) -;; for (long int j = 0; j < 100; j++) -;; A[2*i + 4][5*i + j + 2] = ... -;; ... = A[4][j]; +;; for (long int j = 0; j < 100; j++) { +;; A[2*i + 4][5*i + j + 2] = i; +;; *B++ = A[4][j]; define void @prop9([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc10, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc10 ] +; CHECK: da analyze - consistent output [0 0|<]! +; CHECK: da analyze - flow [p<= 2]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [S 0|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - confused! + +for.cond1.preheader: ; preds = %entry, %for.inc10 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc10 ] %i.03 = phi i64 [ 0, %entry ], [ %inc11, %for.inc10 ] br label %for.body3 -for.body3: ; preds = %for.body3, %for.cond1.preheader +for.body3: ; preds = %for.cond1.preheader, %for.body3 %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] %B.addr.11 = phi i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] %conv = trunc i64 %i.03 to i32 @@ -450,17 +518,17 @@ for.body3: ; preds = %for.body3, %for.con store i32 %conv, i32* %arrayidx7, align 4 %arrayidx9 = getelementptr inbounds [100 x i32]* %A, i64 4, i64 %j.02 %0 = load i32* %arrayidx9, align 4 -; CHECK: da analyze - flow [p<= 2]! %incdec.ptr = getelementptr inbounds i32* %B.addr.11, i64 1 store i32 %0, i32* %B.addr.11, align 4 %inc = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc, 100 - br i1 %cmp2, label %for.body3, label %for.inc10 + %exitcond = icmp ne i64 %inc, 100 + br i1 %exitcond, label %for.body3, label %for.inc10 for.inc10: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 100 %inc11 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc11, 100 - br i1 %cmp, label %for.cond1.preheader, label %for.end12 + %exitcond5 = icmp ne i64 %inc11, 100 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end12 for.end12: ; preds = %for.inc10 ret void |