llvm-project/llvm/test/Transforms/SimplifyCFG/basictest.ll

26 lines
435 B
LLVM

; 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
}