; RUN: opt %loadPolly -polly-dependences -analyze < %s | FileCheck %s ; ; CHECK: RAW dependences: ; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> Stmt_for_body3[i0 + i1, o1] : i0 >= 0 and 0 <= i1 <= 1023 - i0 and i1 <= 1 and 0 < o1 <= 511 } ; CHECK-NEXT: WAR dependences: ; CHECK-NEXT: { } ; CHECK-NEXT: WAW dependences: ; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> Stmt_for_body3[1 + i0, -1 + i1] : 0 <= i0 <= 1022 and 2 <= i1 <= 511; Stmt_for_body3[i0, 2] -> Stmt_for_body3[2 + i0, 0] : 0 <= i0 <= 1021 } ; CHECK-NEXT: Reduction dependences: ; CHECK-NEXT: { Stmt_for_body3[i0, 1] -> Stmt_for_body3[1 + i0, 0] : 0 <= i0 <= 1022 } ; ; void f(int *sum) { ; for (int i = 0; i < 1024; i++) ; for (int j = 0; j < 512; j++) ; sum[i + j] = sum[i] + 3; ; } target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @f(i32* %sum) { entry: br label %for.cond for.cond: ; preds = %for.inc6, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc7, %for.inc6 ] %exitcond1 = icmp ne i32 %i.0, 1024 br i1 %exitcond1, label %for.body, label %for.end8 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, 512 br i1 %exitcond, label %for.body3, label %for.end for.body3: ; preds = %for.cond1 %arrayidx = getelementptr inbounds i32, i32* %sum, i32 %i.0 %tmp = load i32, i32* %arrayidx, align 4 %add = add nsw i32 %tmp, 3 %add4 = add nsw i32 %i.0, %j.0 %arrayidx5 = getelementptr inbounds i32, i32* %sum, i32 %add4 store i32 %add, i32* %arrayidx5, 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.inc6 for.inc6: ; preds = %for.end %inc7 = add nsw i32 %i.0, 1 br label %for.cond for.end8: ; preds = %for.cond ret void }