llvm-project/llvm/test/Transforms/SSI/2009-08-17-CritEdge.ll

16 lines
318 B
LLVM

; RUN: opt < %s -ssi-everything -disable-output
define void @test(i32 %x) {
entry:
br label %label1
label1:
%A = phi i32 [ 0, %entry ], [ %A.1, %label2 ]
%B = icmp slt i32 %A, %x
br i1 %B, label %label2, label %label2
label2:
%A.1 = add i32 %A, 1
br label %label1
label3: ; No predecessors!
ret void
}