| ; 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 |
| |
| 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 < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[i + 1][i + j] = i; |
| ;; *B++ = A[i][i + j]; |
| |
| define void @prop0([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop0 |
| ; 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.inc9 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc9 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc10, %for.inc9 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %add = add nsw i64 %i.03, %j.02 |
| %add4 = add nsw i64 %i.03, 1 |
| %arrayidx5 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add4, i64 %add |
| store i32 %conv, i32* %arrayidx5, align 4 |
| %add6 = add nsw i64 %i.03, %j.02 |
| %arrayidx8 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add6 |
| %0 = load i32, i32* %arrayidx8, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc9 |
| |
| for.inc9: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc10 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc10, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end11 |
| |
| for.end11: ; preds = %for.inc9 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) |
| ;; for (long int k = 0; k < 100; k++) { |
| ;; A[j - i][i + 1][j + k] = i; |
| ;; *B++ = A[j - i][i][j + k]; |
| |
| define void @prop1([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop1 |
| ; CHECK: da analyze - output [* * *]! |
| ; CHECK: da analyze - flow [<> <> *]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - input [* * *]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - none! |
| |
| for.cond1.preheader: ; preds = %entry, %for.inc18 |
| %B.addr.06 = phi i32* [ %B, %entry ], [ %scevgep7, %for.inc18 ] |
| %i.05 = phi i64 [ 0, %entry ], [ %inc19, %for.inc18 ] |
| br label %for.cond4.preheader |
| |
| for.cond4.preheader: ; preds = %for.cond1.preheader, %for.inc15 |
| %B.addr.14 = phi i32* [ %B.addr.06, %for.cond1.preheader ], [ %scevgep, %for.inc15 ] |
| %j.03 = phi i64 [ 0, %for.cond1.preheader ], [ %inc16, %for.inc15 ] |
| br label %for.body6 |
| |
| for.body6: ; preds = %for.cond4.preheader, %for.body6 |
| %k.02 = phi i64 [ 0, %for.cond4.preheader ], [ %inc, %for.body6 ] |
| %B.addr.21 = phi i32* [ %B.addr.14, %for.cond4.preheader ], [ %incdec.ptr, %for.body6 ] |
| %conv = trunc i64 %i.05 to i32 |
| %add = add nsw i64 %j.03, %k.02 |
| %add7 = add nsw i64 %i.05, 1 |
| %sub = sub nsw i64 %j.03, %i.05 |
| %arrayidx9 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %sub, i64 %add7, i64 %add |
| store i32 %conv, i32* %arrayidx9, align 4 |
| %add10 = add nsw i64 %j.03, %k.02 |
| %sub11 = sub nsw i64 %j.03, %i.05 |
| %arrayidx14 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %sub11, i64 %i.05, i64 %add10 |
| %0 = load i32, i32* %arrayidx14, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.21, i64 1 |
| store i32 %0, i32* %B.addr.21, align 4 |
| %inc = add nsw i64 %k.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body6, label %for.inc15 |
| |
| for.inc15: ; preds = %for.body6 |
| %scevgep = getelementptr i32, i32* %B.addr.14, i64 100 |
| %inc16 = add nsw i64 %j.03, 1 |
| %exitcond8 = icmp ne i64 %inc16, 100 |
| br i1 %exitcond8, label %for.cond4.preheader, label %for.inc18 |
| |
| for.inc18: ; preds = %for.inc15 |
| %scevgep7 = getelementptr i32, i32* %B.addr.06, i64 10000 |
| %inc19 = add nsw i64 %i.05, 1 |
| %exitcond9 = icmp ne i64 %inc19, 100 |
| br i1 %exitcond9, label %for.cond1.preheader, label %for.end20 |
| |
| for.end20: ; preds = %for.inc18 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[i - 1][2*i] = i; |
| ;; *B++ = A[i][i + j + 110]; |
| |
| define void @prop2([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop2 |
| ; CHECK: da analyze - consistent output [0 S]! |
| ; 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 i32* [ %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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = shl nsw i64 %i.03, 1 |
| %sub = add nsw i64 %i.03, -1 |
| %arrayidx4 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %sub, i64 %mul |
| store i32 %conv, i32* %arrayidx4, align 4 |
| %add = add nsw i64 %i.03, %j.02 |
| %add5 = add nsw i64 %add, 110 |
| %arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add5 |
| %0 = load i32, i32* %arrayidx7, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc8 |
| |
| for.inc8: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc9 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc9, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end10 |
| |
| for.end10: ; preds = %for.inc8 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[i][2*j + i] = i; |
| ;; *B++ = A[i][2*j - i + 5]; |
| |
| define void @prop3([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop3 |
| ; CHECK: da analyze - output [* *]! |
| ; CHECK: da analyze - flow [<> *]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - input [* *]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - none! |
| |
| for.cond1.preheader: ; preds = %entry, %for.inc9 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc9 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc10, %for.inc9 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = shl nsw i64 %j.02, 1 |
| %add = add nsw i64 %mul, %i.03 |
| %arrayidx4 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add |
| store i32 %conv, i32* %arrayidx4, align 4 |
| %mul5 = shl nsw i64 %j.02, 1 |
| %sub = sub nsw i64 %mul5, %i.03 |
| %add6 = add nsw i64 %sub, 5 |
| %arrayidx8 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add6 |
| %0 = load i32, i32* %arrayidx8, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc9 |
| |
| for.inc9: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc10 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc10, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end11 |
| |
| for.end11: ; preds = %for.inc9 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[i + 2][2*i + j + 1] = i; |
| ;; *B++ = A[i][2*i + j]; |
| |
| define void @prop4([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop4 |
| ; 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.inc11 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc11 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc12, %for.inc11 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = shl nsw i64 %i.03, 1 |
| %add = add nsw i64 %mul, %j.02 |
| %add4 = add nsw i64 %add, 1 |
| %add5 = add nsw i64 %i.03, 2 |
| %arrayidx6 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add5, i64 %add4 |
| store i32 %conv, i32* %arrayidx6, align 4 |
| %mul7 = shl nsw i64 %i.03, 1 |
| %add8 = add nsw i64 %mul7, %j.02 |
| %arrayidx10 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %i.03, i64 %add8 |
| %0 = load i32, i32* %arrayidx10, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc11 |
| |
| for.inc11: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc12 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc12, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end13 |
| |
| for.end13: ; preds = %for.inc11 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[3*i - 18][22 - i][2*i + j] = i; |
| ;; *B++ = A[i][i][3*i + j]; |
| |
| define void @prop5([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop5 |
| ; 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.inc13 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc13 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc14, %for.inc13 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = shl nsw i64 %i.03, 1 |
| %add = add nsw i64 %mul, %j.02 |
| %sub = sub nsw i64 22, %i.03 |
| %mul4 = mul nsw i64 %i.03, 3 |
| %sub5 = add nsw i64 %mul4, -18 |
| %arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %sub5, i64 %sub, i64 %add |
| store i32 %conv, i32* %arrayidx7, align 4 |
| %mul8 = mul nsw i64 %i.03, 3 |
| %add9 = add nsw i64 %mul8, %j.02 |
| %arrayidx12 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %A, i64 %i.03, i64 %i.03, i64 %add9 |
| %0 = load i32, i32* %arrayidx12, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc13 |
| |
| for.inc13: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc14 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc14, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end15 |
| |
| for.end15: ; preds = %for.inc13 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[i + 1][4*i + j + 2] = i; |
| ;; *B++ = A[2*i][8*i + j]; |
| |
| define void @prop6([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop6 |
| ; 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.inc12 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc12 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc13, %for.inc12 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = shl nsw i64 %i.03, 2 |
| %add = add nsw i64 %mul, %j.02 |
| %add4 = add nsw i64 %add, 2 |
| %add5 = add nsw i64 %i.03, 1 |
| %arrayidx6 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add5, i64 %add4 |
| store i32 %conv, i32* %arrayidx6, align 4 |
| %mul7 = shl nsw i64 %i.03, 3 |
| %add8 = add nsw i64 %mul7, %j.02 |
| %mul9 = shl nsw i64 %i.03, 1 |
| %arrayidx11 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %mul9, i64 %add8 |
| %0 = load i32, i32* %arrayidx11, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc12 |
| |
| for.inc12: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc13 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc13, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end14 |
| |
| for.end14: ; preds = %for.inc12 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[2*i + 4][-5*i + j + 2] = i; |
| ;; *B++ = A[-2*i + 20][5*i + j]; |
| |
| define void @prop7([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop7 |
| ; 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.inc14 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc14 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc15, %for.inc14 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = mul nsw i64 %i.03, -5 |
| %add = add nsw i64 %mul, %j.02 |
| %add4 = add nsw i64 %add, 2 |
| %mul5 = shl nsw i64 %i.03, 1 |
| %add6 = add nsw i64 %mul5, 4 |
| %arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add6, i64 %add4 |
| store i32 %conv, i32* %arrayidx7, align 4 |
| %mul8 = mul nsw i64 %i.03, 5 |
| %add9 = add nsw i64 %mul8, %j.02 |
| %mul10 = mul nsw i64 %i.03, -2 |
| %add11 = add nsw i64 %mul10, 20 |
| %arrayidx13 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add11, i64 %add9 |
| %0 = load i32, i32* %arrayidx13, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc14 |
| |
| for.inc14: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc15 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc15, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end16 |
| |
| for.end16: ; preds = %for.inc14 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[4][j + 2] = i; |
| ;; *B++ = A[-2*i + 4][5*i + j]; |
| |
| define void @prop8([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop8 |
| ; CHECK: da analyze - consistent output [S 0]! |
| ; 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.inc10 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc10 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc11, %for.inc10 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %add = add nsw i64 %j.02, 2 |
| %arrayidx4 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 4, i64 %add |
| store i32 %conv, i32* %arrayidx4, align 4 |
| %mul = mul nsw i64 %i.03, 5 |
| %add5 = add nsw i64 %mul, %j.02 |
| %mul6 = mul nsw i64 %i.03, -2 |
| %add7 = add nsw i64 %mul6, 4 |
| %arrayidx9 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add7, i64 %add5 |
| %0 = load i32, i32* %arrayidx9, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc10 |
| |
| for.inc10: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc11 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc11, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end12 |
| |
| for.end12: ; preds = %for.inc10 |
| ret void |
| } |
| |
| |
| ;; for (long int i = 0; i < 100; i++) |
| ;; for (long int j = 0; j < 100; j++) { |
| ;; A[2*i + 4][5*i + j + 2] = i; |
| ;; *B++ = A[4][j]; |
| |
| define void @prop9([100 x i32]* %A, i32* %B, i32 %n) nounwind uwtable ssp { |
| entry: |
| br label %for.cond1.preheader |
| |
| ; CHECK-LABEL: prop9 |
| ; CHECK: da analyze - none! |
| ; CHECK: da analyze - flow [<= <]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - consistent input [S 0]! |
| ; CHECK: da analyze - confused! |
| ; CHECK: da analyze - none! |
| |
| for.cond1.preheader: ; preds = %entry, %for.inc10 |
| %B.addr.04 = phi i32* [ %B, %entry ], [ %scevgep, %for.inc10 ] |
| %i.03 = phi i64 [ 0, %entry ], [ %inc11, %for.inc10 ] |
| 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 i32* [ %B.addr.04, %for.cond1.preheader ], [ %incdec.ptr, %for.body3 ] |
| %conv = trunc i64 %i.03 to i32 |
| %mul = mul nsw i64 %i.03, 5 |
| %add = add nsw i64 %mul, %j.02 |
| %add4 = add nsw i64 %add, 2 |
| %mul5 = shl nsw i64 %i.03, 1 |
| %add6 = add nsw i64 %mul5, 4 |
| %arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 %add6, i64 %add4 |
| store i32 %conv, i32* %arrayidx7, align 4 |
| %arrayidx9 = getelementptr inbounds [100 x i32], [100 x i32]* %A, i64 4, i64 %j.02 |
| %0 = load i32, i32* %arrayidx9, align 4 |
| %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.11, i64 1 |
| store i32 %0, i32* %B.addr.11, align 4 |
| %inc = add nsw i64 %j.02, 1 |
| %exitcond = icmp ne i64 %inc, 100 |
| br i1 %exitcond, label %for.body3, label %for.inc10 |
| |
| for.inc10: ; preds = %for.body3 |
| %scevgep = getelementptr i32, i32* %B.addr.04, i64 100 |
| %inc11 = add nsw i64 %i.03, 1 |
| %exitcond5 = icmp ne i64 %inc11, 100 |
| br i1 %exitcond5, label %for.cond1.preheader, label %for.end12 |
| |
| for.end12: ; preds = %for.inc10 |
| ret void |
| } |
