| ; RUN: opt -loops -analyze < %s | FileCheck %s |
| ; |
| ; void func(long n, double A[static const restrict n]) { |
| ; for (long i = 0; i < n; i += 1) |
| ; A[i] = 21; |
| ; } |
| ; |
| ; Check that isAnnotatedParallel is working as expected. |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @func(i64 %n, double* noalias nonnull %A) { |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %i.0 = phi i64 [ 0, %entry ], [ %add, %for.body ] |
| %cmp = icmp slt i64 %i.0, %n |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: |
| %arrayidx = getelementptr inbounds double, double* %A, i64 %i.0 |
| store double 2.100000e+01, double* %arrayidx, align 8, !llvm.access.group !6 |
| %add = add nuw nsw i64 %i.0, 1 |
| br label %for.cond, !llvm.loop !7 |
| |
| for.end: |
| ret void |
| } |
| |
| !6 = distinct !{} ; access group |
| |
| !7 = distinct !{!7, !9} ; LoopID |
| !9 = !{!"llvm.loop.parallel_accesses", !6} |
| |
| |
| ; CHECK: Parallel Loop |
