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| ; RUN: opt < %s -adce -disable-output
; RUN: opt < %s -adce -adce-remove-loops=true -disable-output
target datalayout = "e-p:32:32"
%struct..CppObjTypeDesc = type { i32, i16, i16 }
%struct..TypeToken = type { i32, i16, i16 }
define i32 @C_ReFaxToDb() {
entry:
br i1 false, label %endif.0, label %then.0
then.0: ; preds = %entry
ret i32 0
endif.0: ; preds = %entry
br i1 false, label %then.11, label %then.4
then.4: ; preds = %endif.0
ret i32 0
then.11: ; preds = %endif.0
br i1 false, label %loopentry.0, label %else.2
loopentry.0: ; preds = %loopentry.1, %endif.14, %then.11
br i1 false, label %endif.14, label %loopexit.0
endif.14: ; preds = %loopentry.0
br i1 false, label %loopentry.1, label %loopentry.0
loopentry.1: ; preds = %then.53, %endif.14
%SubArrays.10 = phi i32* [ %SubArrays.8, %then.53 ], [ null, %endif.14 ] ; <i32*> [#uses=3]
br i1 false, label %no_exit.1, label %loopentry.0
no_exit.1: ; preds = %loopentry.1
; CHECK: switch
switch i32 0, label %label.17 [
i32 2, label %label.11
i32 19, label %label.10
]
label.10: ; preds = %no_exit.1
br i1 false, label %then.43, label %endif.43
then.43: ; preds = %label.10
br i1 false, label %then.44, label %endif.44
then.44: ; preds = %then.43
br i1 false, label %shortcirc_next.4, label %endif.45
shortcirc_next.4: ; preds = %then.44
br i1 false, label %no_exit.2, label %loopexit.2
no_exit.2: ; preds = %shortcirc_next.4
%tmp.897 = getelementptr i32, i32* %SubArrays.10, i64 0 ; <i32*> [#uses=1]
%tmp.899 = load i32, i32* %tmp.897 ; <i32> [#uses=1]
store i32 %tmp.899, i32* null
ret i32 0
loopexit.2: ; preds = %shortcirc_next.4
ret i32 0
endif.45: ; preds = %then.44
ret i32 0
endif.44: ; preds = %then.43
ret i32 0
endif.43: ; preds = %label.10
ret i32 0
label.11: ; preds = %no_exit.1
ret i32 0
label.17: ; preds = %no_exit.1
br i1 false, label %then.53, label %shortcirc_next.7
shortcirc_next.7: ; preds = %label.17
br i1 false, label %then.53, label %shortcirc_next.8
shortcirc_next.8: ; preds = %shortcirc_next.7
ret i32 0
then.53: ; preds = %shortcirc_next.7, %label.17
%SubArrays.8 = phi i32* [ %SubArrays.10, %shortcirc_next.7 ], [ %SubArrays.10, %label.17 ] ; <i32*> [#uses=1]
%tmp.1023 = load i32, i32* null ; <i32> [#uses=1]
switch i32 %tmp.1023, label %loopentry.1 [
]
loopexit.0: ; preds = %loopentry.0
ret i32 0
else.2: ; preds = %then.11
ret i32 0
}
|