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-rw-r--r--test/Analysis/DependenceAnalysis/SymbolicSIV.ll271
1 files changed, 182 insertions, 89 deletions
diff --git a/test/Analysis/DependenceAnalysis/SymbolicSIV.ll b/test/Analysis/DependenceAnalysis/SymbolicSIV.ll
index ee2343f..297096c 100644
--- a/test/Analysis/DependenceAnalysis/SymbolicSIV.ll
+++ b/test/Analysis/DependenceAnalysis/SymbolicSIV.ll
@@ -5,18 +5,28 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
target triple = "x86_64-apple-macosx10.6.0"
-;; for (long int i = 0; i < n; i++)
-;; A[2*i + n] = ...
-;; ... = A[3*i + 3*n];
+;; for (long int i = 0; i < n; i++) {
+;; A[2*i + n] = i;
+;; *B++ = A[3*i + 3*n];
define void @symbolicsiv0(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; 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.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body.preheader: ; preds = %entry
+ br label %for.body
+
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 1
%add = add i64 %mul, %n
@@ -26,30 +36,42 @@ for.body: ; preds = %for.body, %entry
%add3 = mul i64 %mul14, 3
%arrayidx4 = getelementptr inbounds i32* %A, i64 %add3
%0 = load i32* %arrayidx4, align 4
-; CHECK: da analyze - none!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %n
+ br i1 %exitcond, label %for.body, label %for.end.loopexit
-for.end: ; preds = %for.body, %entry
+for.end.loopexit: ; preds = %for.body
+ br label %for.end
+
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
-;; for (long int i = 0; i < n; i++)
-;; A[2*i + 5*n] = ...
-;; ... = A[3*i + 2*n];
+;; for (long int i = 0; i < n; i++) {
+;; A[2*i + 5*n] = i;
+;; *B++ = A[3*i + 2*n];
define void @symbolicsiv1(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; 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.body.preheader: ; preds = %entry
+ br label %for.body
-for.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 1
%mul1 = mul i64 %n, 5
@@ -61,30 +83,42 @@ for.body: ; preds = %for.body, %entry
%add4 = add i64 %mul2, %mul3
%arrayidx5 = getelementptr inbounds i32* %A, i64 %add4
%0 = load i32* %arrayidx5, align 4
-; CHECK: da analyze - none!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %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.body, %entry
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
-;; for (long int i = 0; i < n; i++)
-;; A[2*i - n] = ...
-;; ... = A[-i + 2*n];
+;; for (long int i = 0; i < n; i++) {
+;; A[2*i - n] = i;
+;; *B++ = A[-i + 2*n];
define void @symbolicsiv2(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; 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.body.preheader: ; preds = %entry
+ br label %for.body
-for.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%mul = shl nsw i64 %i.03, 1
%sub = sub i64 %mul, %n
@@ -94,30 +128,42 @@ for.body: ; preds = %for.body, %entry
%add = sub i64 %mul2, %i.03
%arrayidx3 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx3, align 4
-; CHECK: da analyze - none!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %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.body, %entry
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
-;; for (long int i = 0; i < n; i++)
-;; A[-2*i + n + 1] = ...
-;; ... = A[i - 2*n];
+;; for (long int i = 0; i < n; i++) {
+;; A[-2*i + n + 1] = i;
+;; *B++ = A[i - 2*n];
define void @symbolicsiv3(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; 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.body.preheader: ; preds = %entry
+ br label %for.body
-for.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -2
%add = add i64 %mul, %n
@@ -128,30 +174,42 @@ for.body: ; preds = %for.body, %entry
%sub = sub i64 %i.03, %mul2
%arrayidx3 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx3, align 4
-; CHECK: da analyze - none!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %n
+ br i1 %exitcond, label %for.body, label %for.end.loopexit
-for.end: ; preds = %for.body, %entry
+for.end.loopexit: ; preds = %for.body
+ br label %for.end
+
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
-;; for (long int i = 0; i < n; i++)
-;; A[-2*i + 3*n] = ...
-;; ... = A[-i + n];
+;; for (long int i = 0; i < n; i++) {
+;; A[-2*i + 3*n] = i;
+;; *B++ = A[-i + n];
define void @symbolicsiv4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; 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.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body.preheader: ; preds = %entry
+ br label %for.body
+
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -2
%mul1 = mul i64 %n, 3
@@ -161,30 +219,42 @@ for.body: ; preds = %for.body, %entry
%add2 = sub i64 %n, %i.03
%arrayidx3 = getelementptr inbounds i32* %A, i64 %add2
%0 = load i32* %arrayidx3, align 4
-; CHECK: da analyze - none!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %n
+ br i1 %exitcond, label %for.body, label %for.end.loopexit
-for.end: ; preds = %for.body, %entry
+for.end.loopexit: ; preds = %for.body
+ br label %for.end
+
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
-;; for (long int i = 0; i < n; i++)
-;; A[-2*i - 2*n] = ...
-;; ... = A[-i - n];
+;; for (long int i = 0; i < n; i++) {
+;; A[-2*i - 2*n] = i;
+;; *B++ = A[-i - n];
define void @symbolicsiv5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; 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.body.preheader: ; preds = %entry
+ br label %for.body
-for.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%mul = mul nsw i64 %i.03, -2
%mul1 = shl i64 %n, 1
@@ -195,32 +265,44 @@ for.body: ; preds = %for.body, %entry
%sub3 = sub i64 %sub2, %n
%arrayidx4 = getelementptr inbounds i32* %A, i64 %sub3
%0 = load i32* %arrayidx4, align 4
-; CHECK: da analyze - none!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %n
+ br i1 %exitcond, label %for.body, label %for.end.loopexit
-for.end: ; preds = %for.body, %entry
+for.end.loopexit: ; preds = %for.body
+ br label %for.end
+
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
;; why doesn't SCEV package understand that n >= 0?
-;;void weaktest(int *A, int *B, long unsigned n)
-;; for (long unsigned i = 0; i < n; i++)
-;; A[i + n + 1] = ...
-;; ... = A[-i];
+;; for (long unsigned i = 0; i < n; i++) {
+;; A[i + n + 1] = i;
+;; *B++ = A[-i];
define void @weaktest(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
- br i1 %cmp1, label %for.end, label %for.body
+ br i1 %cmp1, label %for.end, label %for.body.preheader
+
+; CHECK: da analyze - none!
+; CHECK: da analyze - flow [*|<] splitable!
+; CHECK: da analyze - split level = 1, iteration = ((0 smax (-1 + (-1 * %n))) /u 2)!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
+; CHECK: da analyze - confused!
+; CHECK: da analyze - none!
-for.body: ; preds = %for.body, %entry
- %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
- %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ]
+for.body.preheader: ; preds = %entry
+ br label %for.body
+
+for.body: ; preds = %for.body.preheader, %for.body
+ %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+ %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%add = add i64 %i.03, %n
%add1 = add i64 %add, 1
@@ -229,29 +311,36 @@ for.body: ; preds = %for.body, %entry
%sub = sub i64 0, %i.03
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub
%0 = load i32* %arrayidx2, align 4
-; CHECK: da analyze - flow [*|<] splitable!
-; CHECK: da analyze - split level = 1, iteration = ((0 smax (-1 + (-1 * %n))) /u 2)!
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
store i32 %0, i32* %B.addr.02, align 4
%inc = add i64 %i.03, 1
- %cmp = icmp ult i64 %inc, %n
- br i1 %cmp, label %for.body, label %for.end
+ %exitcond = icmp ne i64 %inc, %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.body, %entry
+for.end: ; preds = %for.end.loopexit, %entry
ret void
}
-;; void symbolicsiv6(int *A, int *B, long unsigned n, long unsigned N, long unsigned M) {
-;; for (long int i = 0; i < n; i++) {
-;; A[4*N*i + M] = i;
-;; *B++ = A[4*N*i + 3*M + 1];
+;; for (long int i = 0; i < n; i++) {
+;; A[4*N*i + M] = i;
+;; *B++ = A[4*N*i + 3*M + 1];
define void @symbolicsiv6(i32* %A, i32* %B, i64 %n, i64 %N, i64 %M) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
br i1 %cmp1, label %for.end, label %for.body.preheader
+; 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.body.preheader: ; preds = %entry
br label %for.body
@@ -272,7 +361,6 @@ for.body: ; preds = %for.body.preheader,
%arrayidx7 = getelementptr inbounds i32* %A, i64 %add6
%0 = load i32* %arrayidx7, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
-; CHECK: da analyze - none!
store i32 %0, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
%exitcond = icmp ne i64 %inc, %n
@@ -286,16 +374,22 @@ for.end: ; preds = %for.end.loopexit, %
}
-;; void symbolicsiv7(int *A, int *B, long unsigned n, long unsigned N, long unsigned M) {
-;; for (long int i = 0; i < n; i++) {
-;; A[2*N*i + M] = i;
-;; *B++ = A[2*N*i - 3*M + 2];
+;; for (long int i = 0; i < n; i++) {
+;; A[2*N*i + M] = i;
+;; *B++ = A[2*N*i - 3*M + 2];
define void @symbolicsiv7(i32* %A, i32* %B, i64 %n, i64 %N, i64 %M) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
br i1 %cmp1, label %for.end, label %for.body.preheader
+; CHECK: da analyze - none!
+; 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
@@ -316,7 +410,6 @@ for.body: ; preds = %for.body.preheader,
%arrayidx6 = getelementptr inbounds i32* %A, i64 %add5
%1 = load i32* %arrayidx6, align 4
%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
-; CHECK: da analyze - flow [<>]!
store i32 %1, i32* %B.addr.02, align 4
%inc = add nsw i64 %i.03, 1
%exitcond = icmp ne i64 %inc, %n
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