llvm-6502/test/Transforms/LICM/sink_phi_node_use.ll

22 lines
891 B
LLVM
Raw Normal View History

; RUN: llvm-as < %s | opt -licm | llvm-dis | %prcontext add 1 | grep preheader.loopexit:
define void @test() {
loopentry.2.i:
br i1 false, label %no_exit.1.i.preheader, label %loopentry.3.i.preheader
no_exit.1.i.preheader: ; preds = %loopentry.2.i
br label %no_exit.1.i
no_exit.1.i: ; preds = %endif.8.i, %no_exit.1.i.preheader
br i1 false, label %return.i, label %endif.8.i
endif.8.i: ; preds = %no_exit.1.i
%inc.1.i = add i32 0, 1 ; <i32> [#uses=1]
br i1 false, label %no_exit.1.i, label %loopentry.3.i.preheader.loopexit
loopentry.3.i.preheader.loopexit: ; preds = %endif.8.i
br label %loopentry.3.i.preheader
loopentry.3.i.preheader: ; preds = %loopentry.3.i.preheader.loopexit, %loopentry.2.i
%arg_num.0.i.ph13000 = phi i32 [ 0, %loopentry.2.i ], [ %inc.1.i, %loopentry.3.i.preheader.loopexit ] ; <i32> [#uses=0]
ret void
return.i: ; preds = %no_exit.1.i
ret void
}