; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s ; ; ; void f(int *A) { ; for (int i = 0; i < 1024; i++) ; A[i % 2] += i; ; } ; ; Verify that we detect the reduction on A ; ; CHECK: ReadAccess := [Reduction Type: +] [Scalar: 0] ; CHECK: MustWriteAccess := [Reduction Type: +] [Scalar: 0] ; target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @f(i32* %A) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %exitcond = icmp ne i32 %i.0, 1024 br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %rem = srem i32 %i.0, 2 %arrayidx = getelementptr inbounds i32, i32* %A, i32 %rem %tmp = load i32, i32* %arrayidx, align 4 %add = add nsw i32 %tmp, %i.0 store i32 %add, i32* %arrayidx, align 4 br label %for.inc for.inc: ; preds = %for.body %inc = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void }