xref: /llvm-project/llvm/test/Transforms/PartialInlining/unreachable_basic_block.ll (revision 438e1cff7bfba1693db9fe66e848efe85232c992)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=partial-inliner -S < %s | FileCheck %s
3declare i1 @llvm.public.type.test(ptr, metadata)
4
5define void @dummy() {
6; CHECK-LABEL: @dummy(
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    br i1 false, label [[WHILE_END:%.*]], label [[WHILE_BODY:%.*]]
9; CHECK:       while.body:
10; CHECK-NEXT:    call void @dummy.1.while.body()
11; CHECK-NEXT:    br label [[WHILE_END]]
12; CHECK:       while.end:
13; CHECK-NEXT:    ret void
14;
15entry:
16  br i1 false, label %while.end, label %while.body
17
18while.body:                                       ; preds = %entry
19  call void @dummy()
20  br label %while.end
21
22unreachable.block:               ; No predecessors!
23  %0 = tail call i1 @llvm.public.type.test(ptr null, metadata !"test-function")
24  %result = getelementptr ptr, ptr null, i64 1
25  br label %while.end
26
27while.end:                                        ; preds = %unreachable.block, %while.body, %entry
28  ret void
29}
30