Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/IRCE/add-metadata-pre-post-loops.ll

@@ -1,81 +0,0 @@
-; RUN: opt -irce -S < %s 2>&1 | FileCheck %s
-
-; test that the pre and post loops have loop metadata which disables any further
-; loop optimizations.
-
-; generates a post loop, which should have metadata !llvm.loop !2
-; Function Attrs: alwaysinline
-define void @inner_loop(i32* %arr, i32* %a_len_ptr, i32 %n) #0 {
-; CHECK-LABEL: inner_loop(
-; CHECK-LABEL: in.bounds.postloop
-; CHECK: br i1 %next.postloop, label %loop.postloop, label %exit.loopexit.loopexit, !llvm.loop !2, !irce.loop.clone !7
-
-entry:
-  %len = load i32, i32* %a_len_ptr, !range !0
-  %first.itr.check = icmp sgt i32 %n, 0
-  br i1 %first.itr.check, label %loop, label %exit
-
-loop:                                             ; preds = %in.bounds, %entry
-  %idx = phi i32 [ 0, %entry ], [ %idx.next, %in.bounds ]
-  %idx.next = add i32 %idx, 1
-  %abc = icmp slt i32 %idx, %len
-  br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1
-
-in.bounds:                                        ; preds = %loop
-  %addr = getelementptr i32, i32* %arr, i32 %idx
-  store i32 0, i32* %addr
-  %next = icmp slt i32 %idx.next, %n
-  br i1 %next, label %loop, label %exit
-
-out.of.bounds:                                    ; preds = %loop
-  ret void
-
-exit:                                             ; preds = %in.bounds, %entry
-  ret void
-}
-
-; add loop metadata for pre and post loops
-define void @single_access_with_preloop(i32 *%arr, i32 *%a_len_ptr, i32 %n, i32 %offset) {
-; CHECK-LABEL: @single_access_with_preloop(
-; CHECK-LABEL: in.bounds.preloop
-; CHECK: br i1 [[COND:%[^ ]+]], label %loop.preloop, label %preloop.exit.selector, !llvm.loop !8, !irce.loop.clone !7
-; CHECK-LABEL: in.bounds.postloop
-; CHECK: br i1 %next.postloop, label %loop.postloop, label %exit.loopexit.loopexit, !llvm.loop !9, !irce.loop.clone !7
- entry:
-  %len = load i32, i32* %a_len_ptr, !range !0
-  %first.itr.check = icmp sgt i32 %n, 0
-  br i1 %first.itr.check, label %loop, label %exit
-
- loop:
-  %idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds ]
-  %idx.next = add i32 %idx, 1
-  %array.idx = add i32 %idx, %offset
-  %abc.high = icmp slt i32 %array.idx, %len
-  %abc.low = icmp sge i32 %array.idx, 0
-  %abc = and i1 %abc.low, %abc.high
-  br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1
-
- in.bounds:
-  %addr = getelementptr i32, i32* %arr, i32 %array.idx
-  store i32 0, i32* %addr
-  %next = icmp slt i32 %idx.next, %n
-  br i1 %next, label %loop, label %exit
-
- out.of.bounds:
-  ret void
-
- exit:
-  ret void
-}
-attributes #0 = { alwaysinline }
-
-!0 = !{i32 0, i32 2147483647}
-!1 = !{!"branch_weights", i32 64, i32 4}
-!2 = distinct !{!2, !3, !4, !5, !6}
-!3 = !{!"llvm.loop.unroll.disable"}
-!4 = !{!"llvm.loop.vectorize.enable", i1 false}
-!5 = !{!"llvm.loop.licm_versioning.disable"}
-!6 = !{!"llvm.loop.distribute.enable", i1 false}
-!7 = !{}
-!8 = distinct !{!8, !3, !4, !5}
-!9 = distinct !{!9, !3, !4, !5}