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New testcase that caused simplifycfg to crash

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22583 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-02 03:23:03 +00:00
parent ee841a1a87
commit 1bc0f735c9
1 changed files with 96 additions and 0 deletions
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96
test/Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll Normal file
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; RUN: llvm-as < %s | opt -simplifycfg -disable-output
void %main() {
entry:
%tmp.14.i19 = seteq int 0, 2 ; <bool> [#uses=1]
br bool %tmp.14.i19, label %endif.1.i20, label %read_min.exit
endif.1.i20: ; preds = %entry
%tmp.9.i.i = seteq sbyte* null, null ; <bool> [#uses=1]
br bool %tmp.9.i.i, label %then.i12.i, label %then.i.i
then.i.i: ; preds = %endif.1.i20
ret void
then.i12.i: ; preds = %endif.1.i20
%tmp.9.i4.i = seteq sbyte* null, null ; <bool> [#uses=1]
br bool %tmp.9.i4.i, label %endif.2.i33, label %then.i5.i
then.i5.i: ; preds = %then.i12.i
ret void
endif.2.i33: ; preds = %then.i12.i
br bool false, label %loopexit.0.i40, label %no_exit.0.i35
no_exit.0.i35: ; preds = %no_exit.0.i35, %endif.2.i33
%tmp.130.i = setlt int 0, 0 ; <bool> [#uses=1]
br bool %tmp.130.i, label %loopexit.0.i40.loopexit, label %no_exit.0.i35
loopexit.0.i40.loopexit: ; preds = %no_exit.0.i35
br label %loopexit.0.i40
loopexit.0.i40: ; preds = %loopexit.0.i40.loopexit, %endif.2.i33
%tmp.341.i = seteq int 0, 0 ; <bool> [#uses=1]
br bool %tmp.341.i, label %loopentry.1.i, label %read_min.exit
loopentry.1.i: ; preds = %loopexit.0.i40
%tmp.347.i = setgt int 0, 0 ; <bool> [#uses=1]
br bool %tmp.347.i, label %no_exit.1.i41, label %loopexit.2.i44
no_exit.1.i41: ; preds = %endif.5.i, %loopentry.1.i
%indvar.i42 = phi uint [ %indvar.next.i, %endif.5.i ], [ 0, %loopentry.1.i ] ; <uint> [#uses=1]
%tmp.355.i = seteq int 0, 3 ; <bool> [#uses=1]
br bool %tmp.355.i, label %endif.5.i, label %read_min.exit
endif.5.i: ; preds = %no_exit.1.i41
%tmp.34773.i = setgt int 0, 0 ; <bool> [#uses=1]
%indvar.next.i = add uint %indvar.i42, 1 ; <uint> [#uses=1]
br bool %tmp.34773.i, label %no_exit.1.i41, label %loopexit.1.i.loopexit
loopexit.1.i.loopexit: ; preds = %endif.5.i
ret void
loopexit.2.i44: ; preds = %loopentry.1.i
ret void
read_min.exit: ; preds = %no_exit.1.i41, %loopexit.0.i40, %entry
%tmp.23 = seteq int 0, 0 ; <bool> [#uses=1]
br bool %tmp.23, label %endif.1, label %then.1
then.1: ; preds = %read_min.exit
br bool false, label %endif.0.i, label %then.0.i
then.0.i: ; preds = %then.1
br bool false, label %endif.1.i, label %then.1.i
endif.0.i: ; preds = %then.1
br bool false, label %endif.1.i, label %then.1.i
then.1.i: ; preds = %endif.0.i, %then.0.i
br bool false, label %getfree.exit, label %then.2.i
endif.1.i: ; preds = %endif.0.i, %then.0.i
br bool false, label %getfree.exit, label %then.2.i
then.2.i: ; preds = %endif.1.i, %then.1.i
ret void
getfree.exit: ; preds = %endif.1.i, %then.1.i
ret void
endif.1: ; preds = %read_min.exit
%tmp.27.i = getelementptr int* null, int 0
br bool false, label %loopexit.0.i15, label %no_exit.0.i14
no_exit.0.i14: ; preds = %endif.1
ret void
loopexit.0.i15: ; preds = %endif.1
br bool false, label %primal_start_artificial.exit, label %no_exit.1.i16
no_exit.1.i16: ; preds = %no_exit.1.i16, %loopexit.0.i15
br bool false, label %primal_start_artificial.exit, label %no_exit.1.i16
primal_start_artificial.exit: ; preds = %no_exit.1.i16, %loopexit.0.i15
ret void
}