xref: /llvm-project/llvm/test/Transforms/JumpThreading/2008-11-27-EntryMunge.ll (revision b6909fe9ca1789db98c3481977468d33e9886182) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=jump-threading -S < %s | FileCheck %s
3; PR3138
4
5; Check that there's a ret 0
6define i32 @jt() {
7; CHECK-LABEL: @jt(
8; CHECK-NEXT:  bb3:
9; CHECK-NEXT:    ret i32 0
10;
11entry:
12  br i1 true, label %bb3, label %bb
13
14bb:             ; preds = %entry
15  unreachable
16
17bb3:            ; preds = %entry
18  ret i32 0
19}
20