llvm-project/llvm/test/Transforms/TailDup/2003-08-23-InvalidatedPoint...

30 lines
1.1 KiB
LLVM

; RUN: opt < %s -tailduplicate -disable-output
define i32 @sell_haggle() {
entry:
br i1 false, label %then.5, label %UnifiedExitNode
then.5: ; preds = %entry
br i1 false, label %loopentry.1.preheader, label %else.1
else.1: ; preds = %then.5
br label %loopentry.1.preheader
loopentry.1.preheader: ; preds = %else.1, %then.5
%final_ask.0 = phi i32 [ 0, %else.1 ], [ 0, %then.5 ] ; <i32> [#uses=2]
br label %loopentry.1
loopentry.1: ; preds = %endif.17, %loopentry.1.preheader
switch i32 0, label %UnifiedExitNode [
i32 2, label %UnifiedExitNode
i32 1, label %endif.16
]
endif.16: ; preds = %loopentry.1
br i1 false, label %then.17, label %UnifiedExitNode
then.17: ; preds = %endif.16
br i1 false, label %then.18, label %endif.17
then.18: ; preds = %then.17
br i1 false, label %endif.17, label %UnifiedExitNode
endif.17: ; preds = %then.18, %then.17
%cur_ask.3 = phi i32 [ %final_ask.0, %then.17 ], [ %final_ask.0, %then.18 ] ; <i32> [#uses=0]
br i1 false, label %loopentry.1, label %UnifiedExitNode
UnifiedExitNode: ; preds = %endif.17, %then.18, %endif.16, %loopentry.1, %loopentry.1, %entry
ret i32 0
}