| ; RUN: opt < %s -analyze -basicaa -da | FileCheck %s |
| |
| ; ModuleID = 'Banerjee.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 = 1; i <= 10; i++) |
| ;; for (long int j = 1; j <= 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j - 1]; |
| |
| define void @banerjee0(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc7 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ] |
| %i.03 = phi i64 [ 1, %entry ], [ %inc8, %for.inc7 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 1, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %sub = add nsw i64 %add5, -1 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %sub |
| %0 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 11 |
| br i1 %exitcond, label %for.body3, label %for.inc7 |
| |
| for.inc7: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc8 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc8, 11 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end9 |
| |
| for.end9: ; preds = %for.inc7 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 1; i <= n; i++) |
| ;; for (long int j = 1; j <= m; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j - 1]; |
| |
| define void @banerjee1(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| %cmp4 = icmp sgt i64 %n, 0 |
| br i1 %cmp4, label %for.cond1.preheader.preheader, label %for.end9 |
| |
| ; CHECK: da analyze - output [* *]! |
| ; CHECK: da analyze - flow [* <>]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - input [* *]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - output [* *]! |
| |
| for.cond1.preheader.preheader: ; preds = %entry |
| %0 = add i64 %n, 1 |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc7 |
| %B.addr.06 = phi i64* [ %B.addr.1.lcssa, %for.inc7 ], [ %B, %for.cond1.preheader.preheader ] |
| %i.05 = phi i64 [ %inc8, %for.inc7 ], [ 1, %for.cond1.preheader.preheader ] |
| %1 = add i64 %m, 1 |
| %cmp21 = icmp sgt i64 %m, 0 |
| br i1 %cmp21, label %for.body3.preheader, label %for.inc7 |
| |
| 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 ], [ 1, %for.body3.preheader ] |
| %B.addr.12 = phi i64* [ %incdec.ptr, %for.body3 ], [ %B.addr.06, %for.body3.preheader ] |
| %mul = mul nsw i64 %i.05, 10 |
| %add = add nsw i64 %mul, %j.03 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.05, 10 |
| %add5 = add nsw i64 %mul4, %j.03 |
| %sub = add nsw i64 %add5, -1 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %sub |
| %2 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.12, i64 1 |
| store i64 %2, i64* %B.addr.12, align 8 |
| %inc = add nsw i64 %j.03, 1 |
| %exitcond = icmp eq i64 %inc, %1 |
| br i1 %exitcond, label %for.inc7.loopexit, label %for.body3 |
| |
| for.inc7.loopexit: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.06, i64 %m |
| br label %for.inc7 |
| |
| for.inc7: ; preds = %for.inc7.loopexit, %for.cond1.preheader |
| %B.addr.1.lcssa = phi i64* [ %B.addr.06, %for.cond1.preheader ], [ %scevgep, %for.inc7.loopexit ] |
| %inc8 = add nsw i64 %i.05, 1 |
| %exitcond7 = icmp eq i64 %inc8, %0 |
| br i1 %exitcond7, label %for.end9.loopexit, label %for.cond1.preheader |
| |
| for.end9.loopexit: ; preds = %for.inc7 |
| br label %for.end9 |
| |
| for.end9: ; preds = %for.end9.loopexit, %entry |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j + 100]; |
| |
| define void @banerjee2(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc8 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %add6 = add nsw i64 %add5, 100 |
| %arrayidx7 = getelementptr inbounds i64* %A, i64 %add6 |
| %0 = load i64* %arrayidx7, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j + 99]; |
| |
| define void @banerjee3(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc8 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %add6 = add nsw i64 %add5, 99 |
| %arrayidx7 = getelementptr inbounds i64* %A, i64 %add6 |
| %0 = load i64* %arrayidx7, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j - 100]; |
| |
| define void @banerjee4(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc7 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %sub = add nsw i64 %add5, -100 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %sub |
| %0 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc7 |
| |
| for.inc7: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc8 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc8, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end9 |
| |
| for.end9: ; preds = %for.inc7 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j - 99]; |
| |
| define void @banerjee5(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc7 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %sub = add nsw i64 %add5, -99 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %sub |
| %0 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc7 |
| |
| for.inc7: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc8 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc8, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end9 |
| |
| for.end9: ; preds = %for.inc7 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j + 9]; |
| |
| define void @banerjee6(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc8 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %add6 = add nsw i64 %add5, 9 |
| %arrayidx7 = getelementptr inbounds i64* %A, i64 %add6 |
| %0 = load i64* %arrayidx7, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j + 10]; |
| |
| define void @banerjee7(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc8 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %add6 = add nsw i64 %add5, 10 |
| %arrayidx7 = getelementptr inbounds i64* %A, i64 %add6 |
| %0 = load i64* %arrayidx7, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 10; i++) |
| ;; for (long int j = 0; j < 10; j++) { |
| ;; A[10*i + j] = 0; |
| ;; *B++ = A[10*i + j + 11]; |
| |
| define void @banerjee8(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc8 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc8 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 10 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 10 |
| %add5 = add nsw i64 %mul4, %j.02 |
| %add6 = add nsw i64 %add5, 11 |
| %arrayidx7 = getelementptr inbounds i64* %A, i64 %add6 |
| %0 = load i64* %arrayidx7, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 10 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 10 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 10 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 20; i++) |
| ;; for (long int j = 0; j < 20; j++) { |
| ;; A[30*i + 500*j] = 0; |
| ;; *B++ = A[i - 500*j + 11]; |
| |
| define void @banerjee9(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK: da analyze - output [* *]! |
| ; CHECK: da analyze - flow [<= =|<]! |
| ; 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 i64* [ %B, %entry ], [ %scevgep, %for.inc8 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc9, %for.inc8 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 30 |
| %mul4 = mul nsw i64 %j.02, 500 |
| %add = add nsw i64 %mul, %mul4 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %0 = mul i64 %j.02, -500 |
| %sub = add i64 %i.03, %0 |
| %add6 = add nsw i64 %sub, 11 |
| %arrayidx7 = getelementptr inbounds i64* %A, i64 %add6 |
| %1 = load i64* %arrayidx7, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %1, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 20 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 20 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 20 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 20; i++) |
| ;; for (long int j = 0; j < 20; j++) { |
| ;; A[i + 500*j] = 0; |
| ;; *B++ = A[i - 500*j + 11]; |
| |
| define void @banerjee10(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc7 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %j.02, 500 |
| %add = add nsw i64 %i.03, %mul |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %0 = mul i64 %j.02, -500 |
| %sub = add i64 %i.03, %0 |
| %add5 = add nsw i64 %sub, 11 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %add5 |
| %1 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %1, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 20 |
| br i1 %exitcond, label %for.body3, label %for.inc7 |
| |
| for.inc7: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 20 |
| %inc8 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc8, 20 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end9 |
| |
| for.end9: ; preds = %for.inc7 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 20; i++) |
| ;; for (long int j = 0; j < 20; j++) { |
| ;; A[300*i + j] = 0; |
| ;; *B++ = A[250*i - j + 11]; |
| |
| define void @banerjee11(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc7 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 300 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 250 |
| %sub = sub nsw i64 %mul4, %j.02 |
| %add5 = add nsw i64 %sub, 11 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %add5 |
| %0 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 20 |
| br i1 %exitcond, label %for.body3, label %for.inc7 |
| |
| for.inc7: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 20 |
| %inc8 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc8, 20 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end9 |
| |
| for.end9: ; preds = %for.inc7 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 20; i++) |
| ;; for (long int j = 0; j < 20; j++) { |
| ;; A[100*i + j] = 0; |
| ;; *B++ = A[100*i - j + 11]; |
| |
| define void @banerjee12(i64* %A, i64* %B, i64 %m, i64 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.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.cond1.preheader: ; preds = %entry, %for.inc7 |
| %B.addr.04 = phi i64* [ %B, %entry ], [ %scevgep, %for.inc7 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ] |
| br label %for.body3 |
| |
| for.body3: ; preds = %for.cond1.preheader, %for.body3 |
| %j.02 = phi i64 [ 0, %for.cond1.preheader ], [ %inc, %for.body3 ] |
| %B.addr.11 = phi i64* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %mul = mul nsw i64 %i.03, 100 |
| %add = add nsw i64 %mul, %j.02 |
| %arrayidx = getelementptr inbounds i64* %A, i64 %add |
| store i64 0, i64* %arrayidx, align 8 |
| %mul4 = mul nsw i64 %i.03, 100 |
| %sub = sub nsw i64 %mul4, %j.02 |
| %add5 = add nsw i64 %sub, 11 |
| %arrayidx6 = getelementptr inbounds i64* %A, i64 %add5 |
| %0 = load i64* %arrayidx6, align 8 |
| %incdec.ptr = getelementptr inbounds i64* %B.addr.11, i64 1 |
| store i64 %0, i64* %B.addr.11, align 8 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 20 |
| br i1 %exitcond, label %for.body3, label %for.inc7 |
| |
| for.inc7: ; preds = %for.body3 |
| %scevgep = getelementptr i64* %B.addr.04, i64 20 |
| %inc8 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc8, 20 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end9 |
| |
| for.end9: ; preds = %for.inc7 |
| ret void |
| } |