| ; RUN: opt %loadPolly -polly-detect -analyze \ |
| ; RUN: -polly-process-unprofitable=false < %s | FileCheck %s |
| |
| ; CHECK: Valid Region for Scop: next => bb3 |
| ; |
| ; void foo(float A[], long p) { |
| ; for (long x = 0; x < 1024; x++) { |
| ; __sync_synchronize(); |
| ; if (p >= 0) { |
| ; for (long i = 0; i < 1024; i++) |
| ; for (long j = 0; j < 1024; j++) |
| ; A[i + j] += j; |
| ; } |
| ; } |
| ; } |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-linux-gnu" |
| |
| define void @foo(float* %A, i64 %p) { |
| bb: |
| br label %bb3 |
| |
| bb3: ; preds = %bb25, %bb |
| %x.0 = phi i64 [ 0, %bb ], [ %tmp26, %bb25 ] |
| %exitcond2 = icmp ne i64 %x.0, 1024 |
| br i1 %exitcond2, label %bb5, label %bb4 |
| |
| bb4: ; preds = %bb3 |
| br label %bb27 |
| |
| bb5: ; preds = %bb3 |
| fence seq_cst |
| br label %next |
| |
| next: |
| %tmp = icmp sgt i64 %p, -1 |
| br i1 %tmp, label %bb6, label %bb24 |
| |
| bb6: ; preds = %bb5 |
| br label %bb7 |
| |
| bb7: ; preds = %bb21, %bb6 |
| %i.0 = phi i64 [ 0, %bb6 ], [ %tmp22, %bb21 ] |
| %exitcond1 = icmp ne i64 %i.0, 1024 |
| br i1 %exitcond1, label %bb9, label %bb8 |
| |
| bb8: ; preds = %bb7 |
| br label %bb23 |
| |
| bb9: ; preds = %bb7 |
| br label %bb10 |
| |
| bb10: ; preds = %bb18, %bb9 |
| %j.0 = phi i64 [ 0, %bb9 ], [ %tmp19, %bb18 ] |
| %exitcond = icmp ne i64 %j.0, 1024 |
| br i1 %exitcond, label %bb12, label %bb11 |
| |
| bb11: ; preds = %bb10 |
| br label %bb20 |
| |
| bb12: ; preds = %bb10 |
| %tmp13 = sitofp i64 %j.0 to float |
| %tmp14 = add nuw nsw i64 %i.0, %j.0 |
| %tmp15 = getelementptr inbounds float, float* %A, i64 %tmp14 |
| %tmp16 = load float, float* %tmp15, align 4 |
| %tmp17 = fadd float %tmp16, %tmp13 |
| store float %tmp17, float* %tmp15, align 4 |
| br label %bb18 |
| |
| bb18: ; preds = %bb12 |
| %tmp19 = add nuw nsw i64 %j.0, 1 |
| br label %bb10 |
| |
| bb20: ; preds = %bb11 |
| br label %bb21 |
| |
| bb21: ; preds = %bb20 |
| %tmp22 = add nuw nsw i64 %i.0, 1 |
| br label %bb7 |
| |
| bb23: ; preds = %bb8 |
| br label %bb24 |
| |
| bb24: ; preds = %bb23, %bb5 |
| br label %bb25 |
| |
| bb25: ; preds = %bb24 |
| %tmp26 = add nuw nsw i64 %x.0, 1 |
| br label %bb3 |
| |
| bb27: ; preds = %bb4 |
| ret void |
| } |
