1; RUN: opt %loadNPMPolly -passes=polly-codegen -polly-ast-detect-parallel -S < %s | FileCheck %s 2; 3; Check that we mark multiple parallel loops correctly including the memory instructions. 4; 5; CHECK-DAG: %polly.loop_cond[[COuter:[0-9]*]] = icmp sle i64 %polly.indvar_next{{[0-9]*}}, 1023 6; CHECK-DAG: br i1 %polly.loop_cond[[COuter]], label %polly.loop_header{{[0-9]*}}, label %polly.loop_exit{{[0-9]*}}, !llvm.loop ![[IDOuter:[0-9]*]] 7; 8; CHECK-DAG: %polly.loop_cond[[CInner:[0-9]*]] = icmp sle i64 %polly.indvar_next{{[0-9]*}}, 511 9; CHECK-DAG: br i1 %polly.loop_cond[[CInner]], label %polly.loop_header{{[0-9]*}}, label %polly.loop_exit{{[0-9]*}}, !llvm.loop ![[IDInner:[0-9]*]] 10; 11; CHECK-DAG: store i32 %{{[a-z_0-9]*}}, ptr %{{[a-z_0-9]*}}, {{[ ._!,a-zA-Z0-9]*}}, !llvm.access.group ![[GROUPLST6:[0-9]+]] 12; 13; CHECK-DAG: ![[IDOuter]] = distinct !{![[IDOuter]], ![[ACCGROUP1:[0-9]+]]} 14; CHECK-DAG: ![[ACCGROUP1]] = !{!"llvm.loop.parallel_accesses", ![[GROUP2:[0-9]+]]} 15; CHECK-DAG: ![[GROUP2]] = distinct !{} 16; CHECK-DAG: ![[GROUPLST6]] = !{![[GROUP2]], ![[GROUP7:[0-9]+]]} 17; CHECK-DAG: ![[GROUP7]] = distinct !{} 18; CHECK-DAG: ![[IDInner]] = distinct !{![[IDInner]], ![[ACCGROUP9:[0-9]+]]} 19; CHECK-DAG: ![[ACCGROUP9]] = !{!"llvm.loop.parallel_accesses", ![[GROUP7]]} 20 21; 22; 23; void jd(int *A) { 24; for (int i = 0; i < 1024; i++) 25; for (int j = 0; j < 512; j++) 26; A[i * 512 + j] = i + j; 27; } 28; 29target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 30 31define void @jd(ptr %A) { 32entry: 33 br label %for.cond 34 35for.cond: ; preds = %for.inc5, %entry 36 %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc5 ], [ 0, %entry ] 37 %exitcond6 = icmp ne i64 %indvars.iv3, 1024 38 br i1 %exitcond6, label %for.body, label %for.end7 39 40for.body: ; preds = %for.cond 41 br label %for.cond1 42 43for.cond1: ; preds = %for.inc, %for.body 44 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ] 45 %exitcond = icmp ne i64 %indvars.iv, 512 46 br i1 %exitcond, label %for.body3, label %for.end 47 48for.body3: ; preds = %for.cond1 49 %tmp = add nsw i64 %indvars.iv3, %indvars.iv 50 %tmp7 = shl nsw i64 %indvars.iv3, 9 51 %tmp8 = add nsw i64 %tmp7, %indvars.iv 52 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %tmp8 53 %tmp9 = trunc i64 %tmp to i32 54 store i32 %tmp9, ptr %arrayidx, align 4 55 br label %for.inc 56 57for.inc: ; preds = %for.body3 58 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 59 br label %for.cond1 60 61for.end: ; preds = %for.cond1 62 br label %for.inc5 63 64for.inc5: ; preds = %for.end 65 %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1 66 br label %for.cond 67 68for.end7: ; preds = %for.cond 69 ret void 70} 71