;; 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];
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 - none!
+; CHECK: da analyze - consistent flow [1 -1]!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add = add nsw i64 %i.03, %j.02
%add4 = add nsw i64 %i.03, 1
- %arrayidx5 = getelementptr inbounds [100 x i32]* %A, i64 %add4, i64 %add
+ %arrayidx5 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add4, i64 %add
store i32 %conv, i32* %arrayidx5, align 4
%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
+ %arrayidx8 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add6
+ %0 = load i32, i32* %arrayidx8, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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
;; 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 - none!
+; CHECK: da analyze - consistent flow [1 1 -1]!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add = add nsw i64 %j.03, %k.02
%add7 = add nsw i64 %i.05, 1
%sub = sub nsw i64 %j.03, %i.05
- %arrayidx9 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %sub, i64 %add7, i64 %add
+ %arrayidx9 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %sub, i64 %add7, i64 %add
store i32 %conv, i32* %arrayidx9, align 4
%add10 = add nsw i64 %j.03, %k.02
%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
+ %arrayidx14 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %sub11, i64 %i.05, i64 %add10
+ %0 = load i32, i32* %arrayidx14, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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, 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
;; 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 - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%mul = shl nsw i64 %i.03, 1
%sub = add nsw i64 %i.03, -1
- %arrayidx4 = getelementptr inbounds [100 x i32]* %A, i64 %sub, i64 %mul
+ %arrayidx4 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %sub, i64 %mul
store i32 %conv, i32* %arrayidx4, align 4
%add = add nsw i64 %i.03, %j.02
%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
+ %arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add5
+ %0 = load i32, i32* %arrayidx7, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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
;; 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 - none!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%mul = shl nsw i64 %j.02, 1
%add = add nsw i64 %mul, %i.03
- %arrayidx4 = getelementptr inbounds [100 x i32]* %A, i64 %i.03, i64 %add
+ %arrayidx4 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add
store i32 %conv, i32* %arrayidx4, align 4
%mul5 = shl nsw i64 %j.02, 1
%sub = sub nsw i64 %mul5, %i.03
%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
+ %arrayidx8 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add6
+ %0 = load i32, i32* %arrayidx8, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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 - none!
+; CHECK: da analyze - consistent flow [2 -3]!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add = add nsw i64 %mul, %j.02
%add4 = add nsw i64 %add, 1
%add5 = add nsw i64 %i.03, 2
- %arrayidx6 = getelementptr inbounds [100 x i32]* %A, i64 %add5, i64 %add4
+ %arrayidx6 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add5, i64 %add4
store i32 %conv, i32* %arrayidx6, align 4
%mul7 = shl nsw i64 %i.03, 1
%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
+ %arrayidx10 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add8
+ %0 = load i32, i32* %arrayidx10, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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 - none!
+; CHECK: da analyze - flow [< -16] splitable!
+; CHECK: da analyze - split level = 1, iteration = 11!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%sub = sub nsw i64 22, %i.03
%mul4 = mul nsw i64 %i.03, 3
%sub5 = add nsw i64 %mul4, -18
- %arrayidx7 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %sub5, i64 %sub, i64 %add
+ %arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %sub5, i64 %sub, i64 %add
store i32 %conv, i32* %arrayidx7, align 4
%mul8 = mul nsw i64 %i.03, 3
%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
+ %arrayidx12 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %i.03, i64 %i.03, i64 %add9
+ %0 = load i32, i32* %arrayidx12, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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 - none!
+; CHECK: da analyze - flow [=> -2]!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add = add nsw i64 %mul, %j.02
%add4 = add nsw i64 %add, 2
%add5 = add nsw i64 %i.03, 1
- %arrayidx6 = getelementptr inbounds [100 x i32]* %A, i64 %add5, i64 %add4
+ %arrayidx6 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add5, i64 %add4
store i32 %conv, i32* %arrayidx6, align 4
%mul7 = shl nsw i64 %i.03, 3
%add8 = add nsw i64 %mul7, %j.02
%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
+ %arrayidx11 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %mul9, i64 %add8
+ %0 = load i32, i32* %arrayidx11, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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
;; 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 - none!
+; CHECK: da analyze - flow [* -38] splitable!
+; CHECK: da analyze - split level = 1, iteration = 4!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add4 = add nsw i64 %add, 2
%mul5 = shl nsw i64 %i.03, 1
%add6 = add nsw i64 %mul5, 4
- %arrayidx7 = getelementptr inbounds [100 x i32]* %A, i64 %add6, i64 %add4
+ %arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add6, i64 %add4
store i32 %conv, i32* %arrayidx7, align 4
%mul8 = mul nsw i64 %i.03, 5
%add9 = add nsw i64 %mul8, %j.02
%mul10 = mul nsw i64 %i.03, -2
%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
+ %arrayidx13 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add11, i64 %add9
+ %0 = load i32, i32* %arrayidx13, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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
;; 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 - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add = add nsw i64 %j.02, 2
- %arrayidx4 = getelementptr inbounds [100 x i32]* %A, i64 4, i64 %add
+ %arrayidx4 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 4, i64 %add
store i32 %conv, i32* %arrayidx4, align 4
%mul = mul nsw i64 %i.03, 5
%add5 = add nsw i64 %mul, %j.02
%mul6 = mul nsw i64 %i.03, -2
%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
+ %arrayidx9 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add7, i64 %add5
+ %0 = load i32, i32* %arrayidx9, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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
;; 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 - none!
+; CHECK: da analyze - flow [p<= 2]!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - consistent input [S 0]!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+
+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
%add4 = add nsw i64 %add, 2
%mul5 = shl nsw i64 %i.03, 1
%add6 = add nsw i64 %mul5, 4
- %arrayidx7 = getelementptr inbounds [100 x i32]* %A, i64 %add6, i64 %add4
+ %arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add6, i64 %add4
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
+ %arrayidx9 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 4, i64 %j.02
+ %0 = load i32, i32* %arrayidx9, align 4
+ %incdec.ptr = getelementptr inbounds i32, 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, 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
projects / oota-llvm.git / blobdiff