llvm-6502/test/Transforms/ADCE/2003-06-24-BadSuccessor.ll
Chris Lattner 77825a3f81 New testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6890 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-24 22:58:05 +00:00

95 lines
2.5 KiB
LLVM

; RUN: as < %s | opt -adce -disable-output
target endian = little
target pointersize = 32
%struct..CppObjTypeDesc = type { uint, ushort, ushort }
%struct..TypeToken = type { uint, ushort, ushort }
implementation ; Functions:
uint %C_ReFaxToDb() {
entry: ; No predecessors!
br bool false, label %endif.0, label %then.0
then.0: ; preds = %entry
ret uint 0
endif.0: ; preds = %entry
br bool false, label %then.11, label %then.4
then.4: ; preds = %endif.0
ret uint 0
then.11: ; preds = %endif.0
br bool false, label %loopentry.0, label %else.2
loopentry.0: ; preds = %then.11, %endif.14, %loopentry.1
br bool false, label %endif.14, label %loopexit.0
endif.14: ; preds = %loopentry.0
br bool false, label %loopentry.1, label %loopentry.0
loopentry.1: ; preds = %endif.14, %then.53, %then.53, %then.53, %then.53, %then.53
%SubArrays.10 = phi uint* [ %SubArrays.8, %then.53 ] , [ null, %endif.14 ] ; <uint*> [#uses=3]
br bool false, label %no_exit.1, label %loopentry.0
no_exit.1: ; preds = %loopentry.1
switch uint 0, label %label.17 [
uint 2, label %label.11
uint 19, label %label.10
]
label.10: ; preds = %no_exit.1
br bool false, label %then.43, label %endif.43
then.43: ; preds = %label.10
br bool false, label %then.44, label %endif.44
then.44: ; preds = %then.43
br bool false, label %shortcirc_next.4, label %endif.45
shortcirc_next.4: ; preds = %then.44
br bool false, label %no_exit.2, label %loopexit.2
no_exit.2: ; preds = %shortcirc_next.4
%tmp.897 = getelementptr uint* %SubArrays.10, long 0 ; <uint*> [#uses=1]
%tmp.899 = load uint* %tmp.897 ; <uint> [#uses=1]
store uint %tmp.899, uint* null
ret uint 0
loopexit.2: ; preds = %shortcirc_next.4
ret uint 0
endif.45: ; preds = %then.44
ret uint 0
endif.44: ; preds = %then.43
ret uint 0
endif.43: ; preds = %label.10
ret uint 0
label.11: ; preds = %no_exit.1
ret uint 0
label.17: ; preds = %no_exit.1, %no_exit.1, %no_exit.1, %no_exit.1, %no_exit.1, %no_exit.1
br bool false, label %then.53, label %shortcirc_next.7
shortcirc_next.7: ; preds = %label.17
br bool false, label %then.53, label %shortcirc_next.8
shortcirc_next.8: ; preds = %shortcirc_next.7
ret uint 0
then.53: ; preds = %shortcirc_next.7, %label.17
%SubArrays.8 = phi uint* [ %SubArrays.10, %shortcirc_next.7 ], [ %SubArrays.10, %label.17 ] ; <uint*> [#uses=5]
%tmp.1023 = load uint* null ; <uint> [#uses=1]
switch uint %tmp.1023, label %loopentry.1 []
loopexit.0: ; preds = %loopentry.0
ret uint 0
else.2: ; preds = %then.11
ret uint 0
}