test/Transforms/SimplifyCFG/basictest.ll


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

; Test CFG simplify removal of branch instructions...
;
; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep br

define void @test1() {
        br label %BB1
BB1:            ; preds = %0
        ret void
}

define void @test2() {
        ret void
BB1:            ; No predecessors!
        ret void
}

define void @test3(i1 %T) {
        br i1 %T, label %BB1, label %BB1
BB1:            ; preds = %0, %0
        ret void
}