1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -simplifycfg -S | FileCheck %s
3; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s
4
5declare void @foo()
6
7; FIXME: We can replace %phi with true.
8define void @test_01(i1 %cond) {
9; CHECK-LABEL: @test_01(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    [[DOT:%.*]] = select i1 [[COND:%.*]], i1 true, i1 undef
12; CHECK-NEXT:    br i1 [[DOT]], label [[RET_1:%.*]], label [[COMMON_RET:%.*]]
13; CHECK:       common.ret:
14; CHECK-NEXT:    ret void
15; CHECK:       ret_1:
16; CHECK-NEXT:    call void @foo()
17; CHECK-NEXT:    br label [[COMMON_RET]]
18;
19entry:
20  br i1 %cond, label %if.true, label %if.false
21
22if.true:
23  br label %merge
24
25if.false:
26  br label %merge
27
28merge:
29  %phi = phi i1 [true, %if.true], [undef, %if.false]
30  br i1 %phi, label %ret_1, label %ret_2
31
32ret_1:
33  call void @foo()
34  ret void
35
36ret_2:
37  ret void
38}
39