; RUN: llc < %s -march=x86 ; PR1049 target datalayout = "e-p:32:32" target triple = "i686-pc-linux-gnu" %struct.QBasicAtomic = type { i32 } %struct.QByteArray = type { %"struct.QByteArray::Data"* } %"struct.QByteArray::Data" = type { %struct.QBasicAtomic, i32, i32, i8*, [1 x i8] } %struct.QFactoryLoader = type { %struct.QObject } %struct.QImageIOHandler = type { i32 (...)**, %struct.QImageIOHandlerPrivate* } %struct.QImageIOHandlerPrivate = type opaque %struct.QImageWriter = type { %struct.QImageWriterPrivate* } %struct.QImageWriterPrivate = type { %struct.QByteArray, %struct.QFactoryLoader*, i1, %struct.QImageIOHandler*, i32, float, %struct.QString, %struct.QString, i32, %struct.QString, %struct.QImageWriter* } %"struct.QList<QByteArray>" = type { %"struct.QList<QByteArray>::._20" } %"struct.QList<QByteArray>::._20" = type { %struct.QListData } %struct.QListData = type { %"struct.QListData::Data"* } %"struct.QListData::Data" = type { %struct.QBasicAtomic, i32, i32, i32, i8, [1 x i8*] } %struct.QObject = type { i32 (...)**, %struct.QObjectData* } %struct.QObjectData = type { i32 (...)**, %struct.QObject*, %struct.QObject*, %"struct.QList<QByteArray>", i8, [3 x i8], i32, i32 } %struct.QString = type { %"struct.QString::Data"* } %"struct.QString::Data" = type { %struct.QBasicAtomic, i32, i32, i16*, i8, i8, [1 x i16] } define i1 @_ZNK12QImageWriter8canWriteEv() { %tmp62 = load %struct.QImageWriterPrivate*, %struct.QImageWriterPrivate** null ; <%struct.QImageWriterPrivate*> [#uses=1] %tmp = getelementptr %struct.QImageWriterPrivate, %struct.QImageWriterPrivate* %tmp62, i32 0, i32 9 ; <%struct.QString*> [#uses=1] %tmp75 = call %struct.QString* @_ZN7QStringaSERKS_( %struct.QString* %tmp, %struct.QString* null ) ; <%struct.QString*> [#uses=0] call void asm sideeffect "lock\0Adecl $0\0Asetne 1", "=*m"( i32* null ) ret i1 false } declare %struct.QString* @_ZN7QStringaSERKS_(%struct.QString*, %struct.QString*)