| ; RUN: opt %loadPolly -basic-aa -polly-stmt-granularity=bb -polly-dependences -analyze < %s | FileCheck %s |
| ; |
| ; CHECK: RAW dependences: |
| ; CHECK-NEXT: { } |
| ; CHECK-NEXT: WAR dependences: |
| ; CHECK-NEXT: { } |
| ; CHECK-NEXT: WAW dependences: |
| ; CHECK-NEXT: { } |
| ; CHECK-NEXT: Reduction dependences: |
| ; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> Stmt_for_body3[o0, 1 + i0 + i1 - o0] : i0 >= 0 and i1 >= 0 and o0 >= -1022 + i0 + i1 and i0 <= o0 <= 1023 and o0 <= 1 + i0 } |
| ; |
| ; void f(int *restrict A, int *restrict B, int *restrict Values) { |
| ; for (int i = 0; i < 1024; i++) { |
| ; for (int j = 0; j < 1024; j++) { |
| ; A[i] += Values[i + j - 1]; |
| ; B[j] += Values[i + j + 42]; |
| ; } |
| ; } |
| ; } |
| ; |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" |
| |
| define void @f(i32* noalias %A, i32* noalias %B, i32* noalias %Values) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc11, %entry |
| %i.0 = phi i32 [ 0, %entry ], [ %inc12, %for.inc11 ] |
| %exitcond1 = icmp ne i32 %i.0, 1024 |
| br i1 %exitcond1, label %for.body, label %for.end13 |
| |
| for.body: ; preds = %for.cond |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %for.inc, %for.body |
| %j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ] |
| %exitcond = icmp ne i32 %j.0, 1024 |
| br i1 %exitcond, label %for.body3, label %for.end |
| |
| for.body3: ; preds = %for.cond1 |
| %add = add nsw i32 %i.0, %j.0 |
| %sub = add nsw i32 %add, -1 |
| %arrayidx = getelementptr inbounds i32, i32* %Values, i32 %sub |
| %tmp = load i32, i32* %arrayidx, align 4 |
| %arrayidx4 = getelementptr inbounds i32, i32* %A, i32 %i.0 |
| %tmp2 = load i32, i32* %arrayidx4, align 4 |
| %add5 = add nsw i32 %tmp2, %tmp |
| store i32 %add5, i32* %arrayidx4, align 4 |
| %add6 = add nsw i32 %i.0, %j.0 |
| %add7 = add nsw i32 %add6, 42 |
| %arrayidx8 = getelementptr inbounds i32, i32* %Values, i32 %add7 |
| %tmp3 = load i32, i32* %arrayidx8, align 4 |
| %arrayidx9 = getelementptr inbounds i32, i32* %B, i32 %j.0 |
| %tmp4 = load i32, i32* %arrayidx9, align 4 |
| %add10 = add nsw i32 %tmp4, %tmp3 |
| store i32 %add10, i32* %arrayidx9, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body3 |
| %inc = add nsw i32 %j.0, 1 |
| br label %for.cond1 |
| |
| for.end: ; preds = %for.cond1 |
| br label %for.inc11 |
| |
| for.inc11: ; preds = %for.end |
| %inc12 = add nsw i32 %i.0, 1 |
| br label %for.cond |
| |
| for.end13: ; preds = %for.cond |
| ret void |
| } |