llvm-6502/test/Transforms/InstCombine/2006-09-11-EmptyStructCrash.ll

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; PR905
; RUN: llvm-as < %s | opt -instcombine -disable-output
; END.
%RPYTHON_EXCEPTION = type { %RPYTHON_EXCEPTION_VTABLE* }
%RPYTHON_EXCEPTION_VTABLE = type { %RPYTHON_EXCEPTION_VTABLE*, i32, i32, %RPyOpaque_RuntimeTypeInfo*, %arraytype_Char*, %functiontype_12* }
%RPyOpaque_RuntimeTypeInfo = type opaque*
%arraytype_Char = type { i32, [0 x i8] }
%fixarray_array1019 = type [1019 x i8*]
%functiontype_12 = type %RPYTHON_EXCEPTION* ()
%functiontype_14 = type void (%structtype_pypy.rpython.memory.gc.MarkSweepGC*)
%structtype_AddressLinkedListChunk = type { %structtype_AddressLinkedListChunk*, i32, %fixarray_array1019 }
%structtype_exceptions.Exception = type { %RPYTHON_EXCEPTION }
%structtype_gc_pool = type { }
%structtype_gc_pool_node = type { %structtype_header*, %structtype_gc_pool_node* }
%structtype_header = type { i32, %structtype_header* }
%structtype_pypy.rpython.memory.gc.MarkSweepGC = type { %structtype_exceptions.Exception, i32, i32, i1, %structtype_gc_pool*, i32, %structtype_header*, %structtype_header*, %structtype_gc_pool_node*, double, double }
define fastcc void @pypy_MarkSweepGC.collect() {
block0:
%v1221 = load %structtype_AddressLinkedListChunk** null ; <%structtype_AddressLinkedListChunk*> [#uses=1]
%v1222 = icmp ne %structtype_AddressLinkedListChunk* %v1221, null ; <i1> [#uses=1]
br i1 %v1222, label %block79, label %block4
block4: ; preds = %block0
ret void
block22: ; preds = %block79
ret void
block67: ; preds = %block79
%v1459 = load %structtype_gc_pool** null ; <%structtype_gc_pool*> [#uses=1]
%v1460 = bitcast %structtype_gc_pool* %v1459 to i8* ; <i8*> [#uses=1]
%tmp_873 = ptrtoint i8* %v1460 to i32 ; <i32> [#uses=1]
%tmp_874 = sub i32 %tmp_873, 0 ; <i32> [#uses=1]
%v1461 = inttoptr i32 %tmp_874 to i8* ; <i8*> [#uses=1]
%v1462 = bitcast i8* %v1461 to %structtype_header* ; <%structtype_header*> [#uses=1]
%tmp_876 = getelementptr %structtype_header* %v1462, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 0, i32* %tmp_876
ret void
block79: ; preds = %block0
%v1291 = load %structtype_gc_pool** null ; <%structtype_gc_pool*> [#uses=1]
%v1292 = icmp ne %structtype_gc_pool* %v1291, null ; <i1> [#uses=1]
br i1 %v1292, label %block67, label %block22
}