1; RUN: opt %loadPolly -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]*}}, i32* %{{[a-z_0-9]*}}, {{[ ._!,a-zA-Z0-9]*}}, !llvm.mem.parallel_loop_access !4 12; 13; CHECK-DAG: ![[IDOuter]] = distinct !{![[IDOuter]]} 14; CHECK-DAG: ![[IDInner]] = distinct !{![[IDInner]]} 15; CHECK-DAG: !4 = !{![[IDOuter]], ![[IDInner]]} 16; 17; void jd(int *A) { 18; for (int i = 0; i < 1024; i++) 19; for (int j = 0; j < 512; j++) 20; A[i * 512 + j] = i + j; 21; } 22; 23target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 24 25define void @jd(i32* %A) { 26entry: 27 br label %for.cond 28 29for.cond: ; preds = %for.inc5, %entry 30 %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc5 ], [ 0, %entry ] 31 %exitcond6 = icmp ne i64 %indvars.iv3, 1024 32 br i1 %exitcond6, label %for.body, label %for.end7 33 34for.body: ; preds = %for.cond 35 br label %for.cond1 36 37for.cond1: ; preds = %for.inc, %for.body 38 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ] 39 %exitcond = icmp ne i64 %indvars.iv, 512 40 br i1 %exitcond, label %for.body3, label %for.end 41 42for.body3: ; preds = %for.cond1 43 %tmp = add nsw i64 %indvars.iv3, %indvars.iv 44 %tmp7 = shl nsw i64 %indvars.iv3, 9 45 %tmp8 = add nsw i64 %tmp7, %indvars.iv 46 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp8 47 %tmp9 = trunc i64 %tmp to i32 48 store i32 %tmp9, i32* %arrayidx, align 4 49 br label %for.inc 50 51for.inc: ; preds = %for.body3 52 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 53 br label %for.cond1 54 55for.end: ; preds = %for.cond1 56 br label %for.inc5 57 58for.inc5: ; preds = %for.end 59 %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1 60 br label %for.cond 61 62for.end7: ; preds = %for.cond 63 ret void 64} 65