47 lines · plain
1; RUN: opt %loadNPMPolly -aa-pipeline=basic-aa '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s2 3; void f(long A[], int N, int *init_ptr) {4; long i, j;5;6; for (i = 0; i < N; ++i) {7; init = *init_ptr;8; for (i = 0; i < N; ++i) {9; A[i] = init + 2;10; }11; }12; }13 14target 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"15 16define void @f(ptr noalias %A, i64 %N, ptr noalias %init_ptr) nounwind {17entry:18 br label %for.i19 20for.i:21 %indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ]22 %indvar.i.next = add nsw i64 %indvar.i, 123 br label %entry.next24 25entry.next:26 %init = load i64, ptr %init_ptr27 br label %for.j28 29for.j:30 %indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ]31 %init_plus_two = add i64 %init, 232 %scevgep = getelementptr i64, ptr %A, i64 %indvar.j33 store i64 %init_plus_two, ptr %scevgep34 %indvar.j.next = add nsw i64 %indvar.j, 135 %exitcond.j = icmp eq i64 %indvar.j.next, %N36 br i1 %exitcond.j, label %for.i.end, label %for.j37 38for.i.end:39 %exitcond.i = icmp eq i64 %indvar.i.next, %N40 br i1 %exitcond.i, label %return, label %for.i41 42return:43 ret void44}45 46; CHECK: Valid Region for Scop: for.i => return47