llvm/test/Transforms/LoopSimplify/profile-info.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -passes="loop-simplify" -S %s | FileCheck %s

define void @test_drop(i8 %a) !prof !0 {
; CHECK-LABEL: define void @test_drop(
; CHECK-SAME: i8 [[A:%.*]]) !prof [[PROF0:![0-9]+]] {
; CHECK-NEXT:  [[HEADER_BACKEDGE2:.*:]]
; CHECK-NEXT:    [[S:%.*]] = select i1 true, i1 true, i1 false, !prof [[PROF1:![0-9]+]]
; CHECK-NEXT:    br label %[[HEADER:.*]]
; CHECK:       [[HEADER]]:
; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i8 [[A]], 0
; CHECK-NEXT:    [[OR_COND:%.*]] = select i1 true, i1 [[CMP]], i1 false
; CHECK-NEXT:    br i1 [[OR_COND]], label %[[EXIT:.*]], label %[[HEADER_BACKEDGE:.*]]
; CHECK:       [[HEADER_BACKEDGE]]:
; CHECK-NEXT:    br label %[[HEADER]]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    ret void
;
entry:
  br label %header

header:
  br i1 false, label %header, label %body

body:
  %s = select i1 true, i1 true, i1 false, !prof !1
  %cmp = icmp eq i8 %a, 0
  br i1 %cmp, label %exit, label %header

exit:
  ret void
}

!0 = !{!"function_entry_count", i64 1000}
!1 = !{!"branch_weights", i32 4, i32 1}
;.
; CHECK: [[PROF0]] = !{!"function_entry_count", i64 1000}
; CHECK: [[PROF1]] = !{!"unknown", !"LoopInfo"}
;.