diff options
Diffstat (limited to 'test/Analysis/DependenceAnalysis/WeakZeroSrcSIV.ll')
| -rw-r--r-- | test/Analysis/DependenceAnalysis/WeakZeroSrcSIV.ll | 168 |
1 files changed, 111 insertions, 57 deletions
diff --git a/test/Analysis/DependenceAnalysis/WeakZeroSrcSIV.ll b/test/Analysis/DependenceAnalysis/WeakZeroSrcSIV.ll index fd4f462..2b3b2d0 100644 --- a/test/Analysis/DependenceAnalysis/WeakZeroSrcSIV.ll +++ b/test/Analysis/DependenceAnalysis/WeakZeroSrcSIV.ll @@ -5,15 +5,22 @@ 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 unsigned i = 0; i < 30; i++) -;; A[10] = ... -;; ... = A[2*i + 10]; +;; for (long unsigned i = 0; i < 30; i++) { +;; A[10] = i; +;; *B++ = A[2*i + 10]; define void @weakzerosrc0(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; CHECK: da analyze - consistent output [S]! +; CHECK: da analyze - flow [p<=|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! + +for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 @@ -23,30 +30,39 @@ for.body: ; preds = %for.body, %entry %add = add i64 %mul, 10 %arrayidx1 = getelementptr inbounds i32* %A, i64 %add %0 = load i32* %arrayidx1, align 4 -; CHECK: da analyze - flow [p<=|<]! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 - %cmp = icmp ult i64 %inc, 30 - br i1 %cmp, label %for.body, label %for.end + %exitcond = icmp ne i64 %inc, 30 + br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } -;; for (long unsigned i = 0; i < n; i++) -;; A[10] = ... -;; ... = A[n*i + 10]; +;; for (long unsigned i = 0; i < n; i++) { +;; A[10] = i; +;; *B++ = A[n*i + 10]; define void @weakzerosrc1(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 - consistent output [S]! +; CHECK: da analyze - flow [p<=|<]! +; 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 %arrayidx = getelementptr inbounds i32* %A, i64 10 store i32 %conv, i32* %arrayidx, align 4 @@ -54,27 +70,36 @@ for.body: ; preds = %for.body, %entry %add = add i64 %mul, 10 %arrayidx1 = getelementptr inbounds i32* %A, i64 %add %0 = load i32* %arrayidx1, align 4 -; CHECK: da analyze - flow [p<=|<]! %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 } -;; for (long unsigned i = 0; i < 5; i++) -;; A[10] = ... -;; ... = A[2*i]; +;; for (long unsigned i = 0; i < 5; i++) { +;; A[10] = i; +;; *B++ = A[2*i]; define void @weakzerosrc2(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; CHECK: da analyze - consistent output [S]! +; 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.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 @@ -83,27 +108,33 @@ for.body: ; preds = %for.body, %entry %mul = shl i64 %i.02, 1 %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul %0 = load i32* %arrayidx1, 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 %inc = add i64 %i.02, 1 - %cmp = icmp ult i64 %inc, 5 - br i1 %cmp, label %for.body, label %for.end + %exitcond = icmp ne i64 %inc, 5 + br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } -;; for (long unsigned i = 0; i < 6; i++) -;; A[10] = ... -;; ... = A[2*i]; +;; for (long unsigned i = 0; i < 6; i++) { +;; A[10] = i; +;; *B++ = A[2*i]; define void @weakzerosrc3(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; CHECK: da analyze - consistent output [S]! +; CHECK: da analyze - flow [=>p|<]! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! +; CHECK: da analyze - confused! +; CHECK: da analyze - none! + +for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 @@ -112,27 +143,33 @@ for.body: ; preds = %for.body, %entry %mul = shl i64 %i.02, 1 %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul %0 = load i32* %arrayidx1, align 4 -; CHECK: da analyze - flow [=>p|<]! %incdec.ptr = getelementptr inbounds i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 - %cmp = icmp ult i64 %inc, 6 - br i1 %cmp, label %for.body, label %for.end + %exitcond = icmp ne i64 %inc, 6 + br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } -;; for (long unsigned i = 0; i < 7; i++) -;; A[10] = ... -;; ... = A[2*i]; +;; for (long unsigned i = 0; i < 7; i++) { +;; A[10] = i; +;; *B++ = A[2*i]; define void @weakzerosrc4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; CHECK: da analyze - consistent output [S]! +; 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.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 @@ -141,27 +178,33 @@ for.body: ; preds = %for.body, %entry %mul = shl i64 %i.02, 1 %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul %0 = load i32* %arrayidx1, 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 %inc = add i64 %i.02, 1 - %cmp = icmp ult i64 %inc, 7 - br i1 %cmp, label %for.body, label %for.end + %exitcond = icmp ne i64 %inc, 7 + br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } -;; for (long unsigned i = 0; i < 7; i++) -;; A[-10] = ... -;; ... = A[2*i]; +;; for (long unsigned i = 0; i < 7; i++) { +;; A[-10] = i; +;; *B++ = A[2*i]; define void @weakzerosrc5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { entry: br label %for.body -for.body: ; preds = %for.body, %entry +; CHECK: da analyze - consistent output [S]! +; 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.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 @@ -170,43 +213,54 @@ for.body: ; preds = %for.body, %entry %mul = shl i64 %i.02, 1 %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul %0 = load i32* %arrayidx1, 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 %inc = add i64 %i.02, 1 - %cmp = icmp ult i64 %inc, 7 - br i1 %cmp, label %for.body, label %for.end + %exitcond = icmp ne i64 %inc, 7 + br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } -;; for (long unsigned i = 0; i < n; i++) -;; A[10] = ... -;; ... = A[3*i]; +;; for (long unsigned i = 0; i < n; i++) { +;; A[10] = i; +;; *B++ = A[3*i]; define void @weakzerosrc6(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 - consistent output [S]! +; 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 %arrayidx = getelementptr inbounds i32* %A, i64 10 store i32 %conv, i32* %arrayidx, align 4 %mul = mul i64 %i.03, 3 %arrayidx1 = getelementptr inbounds i32* %A, i64 %mul %0 = load i32* %arrayidx1, 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 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 } |
