Testcase that used to crash simplifycfg

llvm-svn: 22622
This commit is contained in:
Chris Lattner 2005-08-03 18:01:07 +00:00
parent d683bdd0f8
commit 0ca5d9cb12
1 changed files with 94 additions and 0 deletions
llvm/test/Regression/Transforms/SimplifyCFG

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; RUN: llvm-as < %s | opt -simplifycfg -disable-output
%arraytype.1.Char = type { int, [0 x sbyte] }
%arraytype.4.Signed = type { int, [0 x int] }
%functiontype.23 = type %structtype.Task* (%structtype.Task*, %structtype.Packet*, %structtype.FailedRun*)
%functiontype.27 = type %structtype.object* ()
%functiontype.28 = type bool (%structtype.object*, %structtype.object_vtable*)
%functiontype.39 = type int (%structtype.listiter*)
%opaquetype.RuntimeTypeInfo = type sbyte* (sbyte*)
%structtype.AssertionError_vtable = type { %structtype.FailedRun_vtable }
%structtype.DeviceTask = type { %structtype.Task }
%structtype.FailedRun = type { %structtype.object }
%structtype.FailedRun_vtable = type { %structtype.object_vtable }
%structtype.Packet = type { %structtype.object, %structtype.list.1*, int, int, int, %structtype.Packet* }
%structtype.Task = type { %structtype.TaskState, %structtype.FailedRun*, int, %structtype.Packet*, %structtype.Task*, int }
%structtype.TaskState = type { %structtype.object, bool, bool, bool }
%structtype.list.1 = type { %arraytype.4.Signed* }
%structtype.listiter = type { %structtype.list.1*, int }
%structtype.object = type { %structtype.object_vtable* }
%structtype.object_vtable = type { %structtype.object_vtable*, %opaquetype.RuntimeTypeInfo*, %arraytype.1.Char*, %functiontype.27* }
%structinstance.59 = external global %structtype.AssertionError_vtable ; <%structtype.AssertionError_vtable*> [#uses=0]
implementation ; Functions:
declare fastcc bool %ll_isinstance__objectPtr_object_vtablePtr()
declare fastcc void %ll_listnext__listiterPtr()
fastcc void %WorkTask.fn() {
block0:
br label %block1
block1: ; preds = %block0
%v2542 = call fastcc bool %ll_isinstance__objectPtr_object_vtablePtr( ) ; <bool> [#uses=1]
br bool %v2542, label %block4, label %block2
block2: ; preds = %block1
br label %block3
block3: ; preds = %block2
unwind
block4: ; preds = %block1
br label %block5
block5: ; preds = %block4
%v2565 = seteq %structtype.Packet* null, null ; <bool> [#uses=1]
br bool %v2565, label %block15, label %block6
block6: ; preds = %block5
%self_2575 = phi %structtype.DeviceTask* [ null, %block5 ] ; <%structtype.DeviceTask*> [#uses=1]
br bool false, label %block14, label %block7
block7: ; preds = %block14, %block6
%self_2635 = phi %structtype.DeviceTask* [ %self_2575, %block6 ], [ null, %block14 ] ; <%structtype.DeviceTask*> [#uses=1]
%tmp.124 = getelementptr %structtype.Packet* null, int 0, uint 2 ; <int*> [#uses=0]
br label %block8
block8: ; preds = %block10, %block7
%self_2672 = phi %structtype.DeviceTask* [ %self_2635, %block7 ], [ null, %block10 ] ; <%structtype.DeviceTask*> [#uses=0]
invoke fastcc void %ll_listnext__listiterPtr( )
to label %block9 unwind label %block8_exception_handling
block8_exception_handling: ; preds = %block8
br bool false, label %block8_exception_found_branchto_block12, label %block8_not_exception_structinstance.10
block8_not_exception_structinstance.10: ; preds = %block8_exception_handling
unwind
block8_exception_found_branchto_block12: ; preds = %block8_exception_handling
br label %block12
block9: ; preds = %block8
br bool false, label %block11, label %block10
block10: ; preds = %block11, %block9
br label %block8
block11: ; preds = %block9
br label %block10
block12: ; preds = %block8_exception_found_branchto_block12
br label %block13
block13: ; preds = %block15, %block12
ret void
block14: ; preds = %block6
br label %block7
block15: ; preds = %block5
%v2586 = phi %structtype.DeviceTask* [ null, %block5 ] ; <%structtype.DeviceTask*> [#uses=0]
br label %block13
}