1; RUN: opt %loadNPMPolly '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s 2 3; CHECK: Valid Region for Scop: next => bb3 4; 5; void foo(float A[], long p) { 6; for (long x = 0; x < 1024; x++) { 7; __sync_synchronize(); 8; if (p >= 0) { 9; for (long i = 0; i < 1024; i++) 10; for (long j = 0; j < 1024; j++) 11; A[i + j] += j; 12; } 13; } 14; } 15; 16target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 17target triple = "x86_64-pc-linux-gnu" 18 19define void @foo(ptr %A, i64 %p) { 20bb: 21 br label %bb3 22 23bb3: ; preds = %bb25, %bb 24 %x.0 = phi i64 [ 0, %bb ], [ %tmp26, %bb25 ] 25 %exitcond2 = icmp ne i64 %x.0, 1024 26 br i1 %exitcond2, label %bb5, label %bb4 27 28bb4: ; preds = %bb3 29 br label %bb27 30 31bb5: ; preds = %bb3 32 fence seq_cst 33 br label %next 34 35next: 36 %tmp = icmp sgt i64 %p, -1 37 br i1 %tmp, label %bb6, label %bb24 38 39bb6: ; preds = %bb5 40 br label %bb7 41 42bb7: ; preds = %bb21, %bb6 43 %i.0 = phi i64 [ 0, %bb6 ], [ %tmp22, %bb21 ] 44 %exitcond1 = icmp ne i64 %i.0, 1024 45 br i1 %exitcond1, label %bb9, label %bb8 46 47bb8: ; preds = %bb7 48 br label %bb23 49 50bb9: ; preds = %bb7 51 br label %bb10 52 53bb10: ; preds = %bb18, %bb9 54 %j.0 = phi i64 [ 0, %bb9 ], [ %tmp19, %bb18 ] 55 %exitcond = icmp ne i64 %j.0, 1024 56 br i1 %exitcond, label %bb12, label %bb11 57 58bb11: ; preds = %bb10 59 br label %bb20 60 61bb12: ; preds = %bb10 62 %tmp13 = sitofp i64 %j.0 to float 63 %tmp14 = add nuw nsw i64 %i.0, %j.0 64 %tmp15 = getelementptr inbounds float, ptr %A, i64 %tmp14 65 %tmp16 = load float, ptr %tmp15, align 4 66 %tmp17 = fadd float %tmp16, %tmp13 67 store float %tmp17, ptr %tmp15, align 4 68 br label %bb18 69 70bb18: ; preds = %bb12 71 %tmp19 = add nuw nsw i64 %j.0, 1 72 br label %bb10 73 74bb20: ; preds = %bb11 75 br label %bb21 76 77bb21: ; preds = %bb20 78 %tmp22 = add nuw nsw i64 %i.0, 1 79 br label %bb7 80 81bb23: ; preds = %bb8 82 br label %bb24 83 84bb24: ; preds = %bb23, %bb5 85 br label %bb25 86 87bb25: ; preds = %bb24 88 %tmp26 = add nuw nsw i64 %x.0, 1 89 br label %bb3 90 91bb27: ; preds = %bb4 92 ret void 93} 94