diff options
Diffstat (limited to 'test/Analysis/DependenceAnalysis/ExactRDIV.ll')
| -rw-r--r-- | test/Analysis/DependenceAnalysis/ExactRDIV.ll | 402 |
1 files changed, 256 insertions, 146 deletions
diff --git a/test/Analysis/DependenceAnalysis/ExactRDIV.ll b/test/Analysis/DependenceAnalysis/ExactRDIV.ll index aa5d254a0ce2..81f55161c0df 100644 --- a/test/Analysis/DependenceAnalysis/ExactRDIV.ll +++ b/test/Analysis/DependenceAnalysis/ExactRDIV.ll @@ -6,15 +6,22 @@ target triple = "x86_64-apple-macosx10.6.0" ;; for (long int i = 0; i < 10; i++) -;; A[4*i + 10] = ... +;; A[4*i + 10] = i; ;; for (long int j = 0; j < 10; j++) -;; ... = A[2*j + 1]; +;; *B++ = A[2*j + 1]; define void @rdiv0(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = shl nsw i64 %i.03, 2 @@ -22,22 +29,24 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 10 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond5 = icmp ne i64 %inc, 10 + br i1 %exitcond5, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %mul5 = shl nsw i64 %j.02, 1 %add64 = or i64 %mul5, 1 %arrayidx7 = getelementptr inbounds i32* %A, i64 %add64 %0 = load i32* %arrayidx7, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc9 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc9, 10 - br i1 %cmp2, label %for.body4, label %for.end10 + %exitcond = icmp ne i64 %inc9, 10 + br i1 %exitcond, label %for.body4, label %for.end10 for.end10: ; preds = %for.body4 ret void @@ -45,15 +54,22 @@ for.end10: ; preds = %for.body4 ;; for (long int i = 0; i < 5; i++) -;; A[11*i - 45] = ... +;; A[11*i - 45] = i; ;; for (long int j = 0; j < 10; j++) -;; ... = A[j]; +;; *B++ = A[j]; define void @rdiv1(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, 11 @@ -61,20 +77,22 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %sub store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 5 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 5 + br i1 %exitcond4, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02 %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 10 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 10 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -82,15 +100,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i <= 5; i++) -;; A[11*i - 45] = ... +;; A[11*i - 45] = i; ;; for (long int j = 0; j < 10; j++) -;; ... = A[j]; +;; *B++ = A[j]; define void @rdiv2(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, 11 @@ -98,20 +123,22 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %sub store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 6 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 6 + br i1 %exitcond4, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02 %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 10 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 10 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -119,15 +146,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i < 5; i++) -;; A[11*i - 45] = ... +;; A[11*i - 45] = i; ;; for (long int j = 0; j <= 10; j++) -;; ... = A[j]; +;; *B++ = A[j]; define void @rdiv3(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, 11 @@ -135,20 +169,22 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %sub store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 5 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 5 + br i1 %exitcond4, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02 %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 11 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 11 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -156,15 +192,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i <= 5; i++) -;; A[11*i - 45] = ... +;; A[11*i - 45] = i; ;; for (long int j = 0; j <= 10; j++) -;; ... = A[j]; +;; *B++ = A[j]; define void @rdiv4(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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: ; preds = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, 11 @@ -172,20 +215,22 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %sub store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 6 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 6 + br i1 %exitcond4, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %arrayidx5 = getelementptr inbounds i32* %A, i64 %j.02 %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - flow! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 11 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 11 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -193,15 +238,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i < 5; i++) -;; A[-11*i + 45] = ... +;; A[-11*i + 45] = i; ;; for (long int j = 0; j < 10; j++) -;; ... = A[-j]; +;; *B++ = A[-j]; define void @rdiv5(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, -11 @@ -209,21 +261,23 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 5 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 5 + br i1 %exitcond4, label %for.body, label %for.body4.preheader -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4.preheader: ; preds = %for.body + br label %for.body4 + +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %sub = sub nsw i64 0, %j.02 %arrayidx5 = getelementptr inbounds i32* %A, i64 %sub %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 10 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 10 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -231,15 +285,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i <= 5; i++) -;; A[-11*i + 45] = ... +;; A[-11*i + 45] = i; ;; for (long int j = 0; j < 10; j++) -;; ... = A[-j]; +;; *B++ = A[-j]; define void @rdiv6(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, -11 @@ -247,21 +308,23 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 6 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 6 + br i1 %exitcond4, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %sub = sub nsw i64 0, %j.02 %arrayidx5 = getelementptr inbounds i32* %A, i64 %sub %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 10 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 10 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -269,15 +332,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i < 5; i++) -;; A[-11*i + 45] = ... +;; A[-11*i + 45] = i; ;; for (long int j = 0; j <= 10; j++) -;; ... = A[-j]; +;; *B++ = A[-j]; define void @rdiv7(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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 = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, -11 @@ -285,21 +355,23 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 5 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 5 + br i1 %exitcond4, label %for.body, label %for.body4.preheader -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4.preheader: ; preds = %for.body + br label %for.body4 + +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %sub = sub nsw i64 0, %j.02 %arrayidx5 = getelementptr inbounds i32* %A, i64 %sub %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - none! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 11 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 11 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -307,15 +379,22 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i <= 5; i++) -;; A[-11*i + 45] = ... +;; A[-11*i + 45] = i; ;; for (long int j = 0; j <= 10; j++) -;; ... = A[-j]; +;; *B++ = A[-j]; define void @rdiv8(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; 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: ; preds = %entry, %for.body %i.03 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %conv = trunc i64 %i.03 to i32 %mul = mul nsw i64 %i.03, -11 @@ -323,21 +402,23 @@ for.body: ; preds = %for.body, %entry %arrayidx = getelementptr inbounds i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %inc = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc, 6 - br i1 %cmp, label %for.body, label %for.body4 + %exitcond4 = icmp ne i64 %inc, 6 + br i1 %exitcond4, label %for.body, label %for.body4.preheader + +for.body4.preheader: ; preds = %for.body + br label %for.body4 -for.body4: ; preds = %for.body4, %for.body - %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body ] - %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body ] +for.body4: ; preds = %for.body4.preheader, %for.body4 + %j.02 = phi i64 [ %inc7, %for.body4 ], [ 0, %for.body4.preheader ] + %B.addr.01 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] %sub = sub nsw i64 0, %j.02 %arrayidx5 = getelementptr inbounds i32* %A, i64 %sub %0 = load i32* %arrayidx5, align 4 -; CHECK: da analyze - flow! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc7 = add nsw i64 %j.02, 1 - %cmp2 = icmp slt i64 %inc7, 11 - br i1 %cmp2, label %for.body4, label %for.end8 + %exitcond = icmp ne i64 %inc7, 11 + br i1 %exitcond, label %for.body4, label %for.end8 for.end8: ; preds = %for.body4 ret void @@ -345,20 +426,27 @@ for.end8: ; preds = %for.body4 ;; for (long int i = 0; i < 5; i++) -;; for (long int j = 0; j < 10; j++) -;; A[11*i - j] = ... -;; ... = A[45]; +;; for (long int j = 0; j < 10; j++) { +;; A[11*i - j] = i; +;; *B++ = A[45]; define void @rdiv9(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc5, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc5 ] +; CHECK: da analyze - none! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [S S]! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! + +for.cond1.preheader: ; preds = %entry, %for.inc5 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ] %i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ] 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 @@ -368,38 +456,46 @@ for.body3: ; preds = %for.body3, %for.con store i32 %conv, i32* %arrayidx, align 4 %arrayidx4 = getelementptr inbounds i32* %A, i64 45 %0 = load i32* %arrayidx4, 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, 10 - br i1 %cmp2, label %for.body3, label %for.inc5 + %exitcond = icmp ne i64 %inc, 10 + br i1 %exitcond, label %for.body3, label %for.inc5 for.inc5: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 10 %inc6 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc6, 5 - br i1 %cmp, label %for.cond1.preheader, label %for.end7 + %exitcond5 = icmp ne i64 %inc6, 5 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end7 for.end7: ; preds = %for.inc5 ret void } -;; for (long int i = 0; i < 5; i++) -;; for (long int j = 0; j <= 10; j++) -;; A[11*i - j] = ... -;; ... = A[45]; + +;; for (long int i = 0; i <= 5; i++) +;; for (long int j = 0; j < 10; j++) { +;; A[11*i - j] = i; +;; *B++ = A[45]; define void @rdiv10(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc5, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc5 ] +; CHECK: da analyze - none! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [S S]! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! + +for.cond1.preheader: ; preds = %entry, %for.inc5 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ] %i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ] 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 @@ -409,38 +505,45 @@ for.body3: ; preds = %for.body3, %for.con store i32 %conv, i32* %arrayidx, align 4 %arrayidx4 = getelementptr inbounds i32* %A, i64 45 %0 = load i32* %arrayidx4, 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, 10 - br i1 %cmp2, label %for.body3, label %for.inc5 + %exitcond = icmp ne i64 %inc, 10 + br i1 %exitcond, label %for.body3, label %for.inc5 for.inc5: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 10 %inc6 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc6, 6 - br i1 %cmp, label %for.cond1.preheader, label %for.end7 + %exitcond5 = icmp ne i64 %inc6, 6 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end7 for.end7: ; preds = %for.inc5 ret void } -;; for (long int i = 0; i <= 5; i++) -;; for (long int j = 0; j <= 10; j++) -;; A[11*i - j] = ... -;; ... = A[45]; +;; for (long int i = 0; i < 5; i++) +;; for (long int j = 0; j <= 10; j++) { +;; A[11*i - j] = i; +;; *B++ = A[45]; define void @rdiv11(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc5, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc5 ] +; CHECK: da analyze - none! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [S S]! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! + +for.cond1.preheader: ; preds = %entry, %for.inc5 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ] %i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ] 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 @@ -450,38 +553,45 @@ for.body3: ; preds = %for.body3, %for.con store i32 %conv, i32* %arrayidx, align 4 %arrayidx4 = getelementptr inbounds i32* %A, i64 45 %0 = load i32* %arrayidx4, 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, 11 - br i1 %cmp2, label %for.body3, label %for.inc5 + %exitcond = icmp ne i64 %inc, 11 + br i1 %exitcond, label %for.body3, label %for.inc5 for.inc5: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 11 %inc6 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc6, 5 - br i1 %cmp, label %for.cond1.preheader, label %for.end7 + %exitcond5 = icmp ne i64 %inc6, 5 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end7 for.end7: ; preds = %for.inc5 ret void } -;; for (long int i = 0; i < 5; i++) -;; for (long int j = 0; j < 10; j++) -;; A[11*i - j] = ... -;; ... = A[45]; +;; for (long int i = 0; i <= 5; i++) +;; for (long int j = 0; j <= 10; j++) { +;; A[11*i - j] = i; +;; *B++ = A[45]; define void @rdiv12(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.cond1.preheader -for.cond1.preheader: ; preds = %for.inc5, %entry - %B.addr.04 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc5 ] +; CHECK: da analyze - none! +; CHECK: da analyze - flow [* *|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - consistent input [S S]! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! + +for.cond1.preheader: ; preds = %entry, %for.inc5 + %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc5 ] %i.03 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ] 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 @@ -491,17 +601,17 @@ for.body3: ; preds = %for.body3, %for.con store i32 %conv, i32* %arrayidx, align 4 %arrayidx4 = getelementptr inbounds i32* %A, i64 45 %0 = load i32* %arrayidx4, align 4 -; CHECK: da analyze - flow [* *|<]! %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, 11 - br i1 %cmp2, label %for.body3, label %for.inc5 + %exitcond = icmp ne i64 %inc, 11 + br i1 %exitcond, label %for.body3, label %for.inc5 for.inc5: ; preds = %for.body3 + %scevgep = getelementptr i32* %B.addr.04, i64 11 %inc6 = add nsw i64 %i.03, 1 - %cmp = icmp slt i64 %inc6, 6 - br i1 %cmp, label %for.cond1.preheader, label %for.end7 + %exitcond5 = icmp ne i64 %inc6, 6 + br i1 %exitcond5, label %for.cond1.preheader, label %for.end7 for.end7: ; preds = %for.inc5 ret void |