| ; RUN: opt -passes='print<loops>' -disable-output %s 2>&1 | 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, ptr 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, ptr %A, i64 %i.0 | |
| store double 2.100000e+01, ptr %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: Loop info for function 'func': | |
| ; CHECK: Parallel Loop at depth 1 containing: |