1; RUN: opt %loadPolly -polly-allow-nonaffine-branches -polly-detect \ 2; RUN: -analyze < %s | FileCheck %s 3; 4; void f(int *A) { 5; for (int i = 0; i < 1024; i++) 6; if (A[i]) 7; A[i] = 0; 8; } 9; 10; CHECK: Valid Region for Scop: bb1 => bb9 11; 12target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 13 14define void @f(i32* %A) { 15bb: 16 br label %bb1 17 18bb1: ; preds = %bb8, %bb 19 %indvars.iv = phi i64 [ %indvars.iv.next, %bb8 ], [ 0, %bb ] 20 %exitcond = icmp ne i64 %indvars.iv, 1024 21 br i1 %exitcond, label %bb2, label %bb9 22 23bb2: ; preds = %bb1 24 %tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 25 %tmp3 = load i32, i32* %tmp, align 4 26 %tmp4 = icmp eq i32 %tmp3, 0 27 br i1 %tmp4, label %bb7, label %bb5 28 29bb5: ; preds = %bb2 30 %tmp6 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 31 store i32 0, i32* %tmp6, align 4 32 br label %bb7 33 34bb7: ; preds = %bb2, %bb5 35 br label %bb8 36 37bb8: ; preds = %bb7 38 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 39 br label %bb1 40 41bb9: ; preds = %bb1 42 ret void 43} 44