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; 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"}
;.
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