; RUN: opt %loadPolly -polly-scops -analyze \ ; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s ; ; void f(int *A, unsigned N) { ; for (unsigned i = 0; i < N; i++) ; A[i / 3] = A[5 * N / 3]; ; } ; ; CHECK: Invariant Accesses: { ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[o0] : -2 + 5N <= 3o0 <= 5N }; ; CHECK-NEXT: Execution Context: [N] -> { : 0 < N <= 1844674407370955161 } ; CHECK-NEXT: } ; ; CHECK: Assumed Context: ; CHECK-NEXT: [N] -> { : } ; CHECK-NEXT: Invalid Context: ; CHECK-NEXT: [N] -> { : N >= 1844674407370955162 } ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[o0] : -2 + i0 <= 3o0 <= i0 }; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* %A, i64 %N) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %exitcond = icmp ne i64 %indvars.iv, %N br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %mul = mul nsw i64 %N, 5 %div2 = udiv i64 %mul, 3 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %div2 %load = load i32, i32* %arrayidx2, align 4 %div = udiv i64 %indvars.iv, 3 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %div store i32 %load, i32* %arrayidx, align 4 br label %for.inc for.inc: ; preds = %for.body %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }