; RUN: opt %loadPolly -basicaa -polly-scops -analyze \ ; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s ; void f(long A[], int N, int *init_ptr) { ; long i, j; ; ; for (i = 0; i < N; ++i) { ; for (i = 0; i < N; ++i) { ; init = *init_ptr; ; A[i] = init + 2; ; } ; } ; } 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" ; Function Attrs: nounwind ; CHECK: Invariant Accesses: ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> MemRef_init_ptr[0] }; define void @f(i64* noalias %A, i64 %N, i64* noalias %init_ptr) #0 { entry: br label %for.i for.i: ; preds = %for.i.end, %entry %indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ] %indvar.i.next = add nsw i64 %indvar.i, 1 br label %entry.next entry.next: ; preds = %for.i br label %for.j for.j: ; preds = %for.j, %entry.next %indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ] %init = load i64, i64* %init_ptr %init_plus_two = add i64 %init, 2 %scevgep = getelementptr i64, i64* %A, i64 %indvar.j store i64 %init_plus_two, i64* %scevgep ; CHECK: Statements { ; CHECK-NEXT: Stmt_for_j ; CHECK-NOT: ReadAccess ; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> MemRef_A[i1] }; ; CHECK-NEXT: } %indvar.j.next = add nsw i64 %indvar.j, 1 %exitcond.j = icmp eq i64 %indvar.j.next, %N br i1 %exitcond.j, label %for.i.end, label %for.j for.i.end: ; preds = %for.j %exitcond.i = icmp eq i64 %indvar.i.next, %N br i1 %exitcond.i, label %return, label %for.i return: ; preds = %for.i.end ret void } attributes #0 = { nounwind }