| ; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \ |
| ; RUN: | FileCheck %s |
| ; RUN: opt < %s -analyze -basicaa -da | FileCheck %s |
| |
| ; ModuleID = 'SymbolicRDIV.bc' |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.6.0" |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; A[2*i + n1] = i; |
| ;; for (long int j = 0; j < n2; j++) |
| ;; *B++ = A[3*j + 3*n1]; |
| |
| define void @symbolicrdiv0(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv0' |
| ; 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.cond1.preheader.loopexit: ; preds = %for.body |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry |
| %cmp21 = icmp eq i64 %n2, 0 |
| br i1 %cmp21, label %for.end11, label %for.body4.preheader |
| |
| for.body4.preheader: ; preds = %for.cond1.preheader |
| br label %for.body4 |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %mul = shl nsw i64 %i.05, 1 |
| %add = add i64 %mul, %n1 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add |
| store i32 %conv, i32* %arrayidx, align 4 |
| %inc = add nsw i64 %i.05, 1 |
| %exitcond = icmp ne i64 %inc, %n1 |
| br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit |
| |
| for.body4: ; preds = %for.body4.preheader, %for.body4 |
| %j.03 = phi i64 [ %inc10, %for.body4 ], [ 0, %for.body4.preheader ] |
| %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] |
| %mul56 = add i64 %j.03, %n1 |
| %add7 = mul i64 %mul56, 3 |
| %arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %add7 |
| %0 = load i32, i32* %arrayidx8, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1 |
| store i32 %0, i32* %B.addr.02, align 4 |
| %inc10 = add nsw i64 %j.03, 1 |
| %exitcond7 = icmp ne i64 %inc10, %n2 |
| br i1 %exitcond7, label %for.body4, label %for.end11.loopexit |
| |
| for.end11.loopexit: ; preds = %for.body4 |
| br label %for.end11 |
| |
| for.end11: ; preds = %for.end11.loopexit, %for.cond1.preheader |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; A[2*i + 5*n2] = i; |
| ;; for (long int j = 0; j < n2; j++) |
| ;; *B++ = A[3*j + 2*n2]; |
| |
| define void @symbolicrdiv1(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.cond2.preheader, label %for.body.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv1' |
| ; 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.cond2.preheader.loopexit: ; preds = %for.body |
| br label %for.cond2.preheader |
| |
| for.cond2.preheader: ; preds = %for.cond2.preheader.loopexit, %entry |
| %cmp31 = icmp eq i64 %n2, 0 |
| br i1 %cmp31, label %for.end12, label %for.body5.preheader |
| |
| for.body5.preheader: ; preds = %for.cond2.preheader |
| br label %for.body5 |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %mul = shl nsw i64 %i.05, 1 |
| %mul1 = mul i64 %n2, 5 |
| %add = add i64 %mul, %mul1 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add |
| store i32 %conv, i32* %arrayidx, align 4 |
| %inc = add nsw i64 %i.05, 1 |
| %exitcond = icmp ne i64 %inc, %n1 |
| br i1 %exitcond, label %for.body, label %for.cond2.preheader.loopexit |
| |
| for.body5: ; preds = %for.body5.preheader, %for.body5 |
| %j.03 = phi i64 [ %inc11, %for.body5 ], [ 0, %for.body5.preheader ] |
| %B.addr.02 = phi i32* [ %incdec.ptr, %for.body5 ], [ %B, %for.body5.preheader ] |
| %mul6 = mul nsw i64 %j.03, 3 |
| %mul7 = shl i64 %n2, 1 |
| %add8 = add i64 %mul6, %mul7 |
| %arrayidx9 = getelementptr inbounds i32, i32* %A, i64 %add8 |
| %0 = load i32, i32* %arrayidx9, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1 |
| store i32 %0, i32* %B.addr.02, align 4 |
| %inc11 = add nsw i64 %j.03, 1 |
| %exitcond6 = icmp ne i64 %inc11, %n2 |
| br i1 %exitcond6, label %for.body5, label %for.end12.loopexit |
| |
| for.end12.loopexit: ; preds = %for.body5 |
| br label %for.end12 |
| |
| for.end12: ; preds = %for.end12.loopexit, %for.cond2.preheader |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; A[2*i - n2] = i; |
| ;; for (long int j = 0; j < n2; j++) |
| ;; *B++ = A[-j + 2*n1]; |
| |
| define void @symbolicrdiv2(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv2' |
| ; 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.cond1.preheader.loopexit: ; preds = %for.body |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry |
| %cmp21 = icmp eq i64 %n2, 0 |
| br i1 %cmp21, label %for.end10, label %for.body4.preheader |
| |
| for.body4.preheader: ; preds = %for.cond1.preheader |
| br label %for.body4 |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %mul = shl nsw i64 %i.05, 1 |
| %sub = sub i64 %mul, %n2 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %sub |
| store i32 %conv, i32* %arrayidx, align 4 |
| %inc = add nsw i64 %i.05, 1 |
| %exitcond = icmp ne i64 %inc, %n1 |
| br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit |
| |
| for.body4: ; preds = %for.body4.preheader, %for.body4 |
| %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ] |
| %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] |
| %mul6 = shl i64 %n1, 1 |
| %add = sub i64 %mul6, %j.03 |
| %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %add |
| %0 = load i32, i32* %arrayidx7, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1 |
| store i32 %0, i32* %B.addr.02, align 4 |
| %inc9 = add nsw i64 %j.03, 1 |
| %exitcond6 = icmp ne i64 %inc9, %n2 |
| br i1 %exitcond6, label %for.body4, label %for.end10.loopexit |
| |
| for.end10.loopexit: ; preds = %for.body4 |
| br label %for.end10 |
| |
| for.end10: ; preds = %for.end10.loopexit, %for.cond1.preheader |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; A[-i + n2] = i; |
| ;; for (long int j = 0; j < n2; j++) |
| ;; *B++ = A[j - n1]; |
| |
| define void @symbolicrdiv3(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv3' |
| ; 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.cond1.preheader.loopexit: ; preds = %for.body |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry |
| %cmp21 = icmp eq i64 %n2, 0 |
| br i1 %cmp21, label %for.end9, label %for.body4.preheader |
| |
| for.body4.preheader: ; preds = %for.cond1.preheader |
| br label %for.body4 |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %add = sub i64 %n2, %i.05 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add |
| store i32 %conv, i32* %arrayidx, align 4 |
| %inc = add nsw i64 %i.05, 1 |
| %exitcond = icmp ne i64 %inc, %n1 |
| br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit |
| |
| for.body4: ; preds = %for.body4.preheader, %for.body4 |
| %j.03 = phi i64 [ %inc8, %for.body4 ], [ 0, %for.body4.preheader ] |
| %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] |
| %sub5 = sub i64 %j.03, %n1 |
| %arrayidx6 = getelementptr inbounds i32, i32* %A, i64 %sub5 |
| %0 = load i32, i32* %arrayidx6, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1 |
| store i32 %0, i32* %B.addr.02, align 4 |
| %inc8 = add nsw i64 %j.03, 1 |
| %exitcond6 = icmp ne i64 %inc8, %n2 |
| br i1 %exitcond6, label %for.body4, label %for.end9.loopexit |
| |
| for.end9.loopexit: ; preds = %for.body4 |
| br label %for.end9 |
| |
| for.end9: ; preds = %for.end9.loopexit, %for.cond1.preheader |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; A[-i + 2*n1] = i; |
| ;; for (long int j = 0; j < n2; j++) |
| ;; *B++ = A[-j + n1]; |
| |
| define void @symbolicrdiv4(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv4' |
| ; 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.cond1.preheader.loopexit: ; preds = %for.body |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry |
| %cmp21 = icmp eq i64 %n2, 0 |
| br i1 %cmp21, label %for.end10, label %for.body4.preheader |
| |
| for.body4.preheader: ; preds = %for.cond1.preheader |
| br label %for.body4 |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %mul = shl i64 %n1, 1 |
| %add = sub i64 %mul, %i.05 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add |
| store i32 %conv, i32* %arrayidx, align 4 |
| %inc = add nsw i64 %i.05, 1 |
| %exitcond = icmp ne i64 %inc, %n1 |
| br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit |
| |
| for.body4: ; preds = %for.body4.preheader, %for.body4 |
| %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ] |
| %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] |
| %add6 = sub i64 %n1, %j.03 |
| %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %add6 |
| %0 = load i32, i32* %arrayidx7, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1 |
| store i32 %0, i32* %B.addr.02, align 4 |
| %inc9 = add nsw i64 %j.03, 1 |
| %exitcond6 = icmp ne i64 %inc9, %n2 |
| br i1 %exitcond6, label %for.body4, label %for.end10.loopexit |
| |
| for.end10.loopexit: ; preds = %for.body4 |
| br label %for.end10 |
| |
| for.end10: ; preds = %for.end10.loopexit, %for.cond1.preheader |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; A[-i + n2] = i; |
| ;; for (long int j = 0; j < n2; j++) |
| ;; *B++ = A[-j + 2*n2]; |
| |
| define void @symbolicrdiv5(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv5' |
| ; 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.cond1.preheader.loopexit: ; preds = %for.body |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry |
| %cmp21 = icmp eq i64 %n2, 0 |
| br i1 %cmp21, label %for.end10, label %for.body4.preheader |
| |
| for.body4.preheader: ; preds = %for.cond1.preheader |
| br label %for.body4 |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %add = sub i64 %n2, %i.05 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add |
| store i32 %conv, i32* %arrayidx, align 4 |
| %inc = add nsw i64 %i.05, 1 |
| %exitcond = icmp ne i64 %inc, %n1 |
| br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit |
| |
| for.body4: ; preds = %for.body4.preheader, %for.body4 |
| %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ] |
| %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ] |
| %mul = shl i64 %n2, 1 |
| %add6 = sub i64 %mul, %j.03 |
| %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %add6 |
| %0 = load i32, i32* %arrayidx7, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1 |
| store i32 %0, i32* %B.addr.02, align 4 |
| %inc9 = add nsw i64 %j.03, 1 |
| %exitcond6 = icmp ne i64 %inc9, %n2 |
| br i1 %exitcond6, label %for.body4, label %for.end10.loopexit |
| |
| for.end10.loopexit: ; preds = %for.body4 |
| br label %for.end10 |
| |
| for.end10: ; preds = %for.end10.loopexit, %for.cond1.preheader |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < n1; i++) |
| ;; for (long int j = 0; j < n2; j++) { |
| ;; A[j -i + n2] = i; |
| ;; *B++ = A[2*n2]; |
| |
| define void @symbolicrdiv6(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp eq i64 %n1, 0 |
| br i1 %cmp4, label %for.end7, label %for.cond1.preheader.preheader |
| |
| ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv6' |
| ; CHECK: da analyze - output [* *]! |
| ; CHECK: da analyze - none! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - consistent input [S S]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - output [* *]! |
| |
| for.cond1.preheader.preheader: ; preds = %entry |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc5 |
| %B.addr.06 = phi i32* [ %B.addr.1.lcssa, %for.inc5 ], [ %B, %for.cond1.preheader.preheader ] |
| %i.05 = phi i64 [ %inc6, %for.inc5 ], [ 0, %for.cond1.preheader.preheader ] |
| %cmp21 = icmp eq i64 %n2, 0 |
| br i1 %cmp21, label %for.inc5, label %for.body3.preheader |
| |
| for.body3.preheader: ; preds = %for.cond1.preheader |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.body3.preheader, %for.body3 |
| %j.03 = phi i64 [ %inc, %for.body3 ], [ 0, %for.body3.preheader ] |
| %B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.06, %for.body3.preheader ] |
| %conv = trunc i64 %i.05 to i32 |
| %sub = sub nsw i64 %j.03, %i.05 |
| %add = add i64 %sub, %n2 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add |
| store i32 %conv, i32* %arrayidx, align 4 |
| %mul = shl i64 %n2, 1 |
| %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %mul |
| %0 = load i32, i32* %arrayidx4, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.12, i64 1 |
| store i32 %0, i32* %B.addr.12, align 4 |
| %inc = add nsw i64 %j.03, 1 |
| %exitcond = icmp ne i64 %inc, %n2 |
| br i1 %exitcond, label %for.body3, label %for.inc5.loopexit |
| |
| for.inc5.loopexit: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.06, i64 %n2 |
| br label %for.inc5 |
| |
| for.inc5: ; preds = %for.inc5.loopexit, %for.cond1.preheader |
| %B.addr.1.lcssa = phi i32* [ %B.addr.06, %for.cond1.preheader ], [ %scevgep, %for.inc5.loopexit ] |
| %inc6 = add nsw i64 %i.05, 1 |
| %exitcond7 = icmp ne i64 %inc6, %n1 |
| br i1 %exitcond7, label %for.cond1.preheader, label %for.end7.loopexit |
| |
| for.end7.loopexit: ; preds = %for.inc5 |
| br label %for.end7 |
| |
| for.end7: ; preds = %for.end7.loopexit, %entry |
| ret void |
| } |
