; RUN: llc < %s -mtriple=i386-apple-darwin -relocation-model=pic -disable-fp-elim %struct..0objc_selector = type opaque %struct.NSString = type opaque %struct.XCStringList = type { i32, %struct._XCStringListNode* } %struct._XCStringListNode = type { [3 x i8], [0 x i8], i8 } %struct.__builtin_CFString = type { i32*, i32, i8*, i32 } internal constant %struct.__builtin_CFString { i32* getelementptr ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr ([3 x i8], [3 x i8]* @"\01LC", i32 0, i32 0), i32 2 } ; <%struct.__builtin_CFString*>:0 [#uses=1] @__CFConstantStringClassReference = external global [0 x i32] ; <[0 x i32]*> [#uses=1] @"\01LC" = internal constant [3 x i8] c"NO\00" ; <[3 x i8]*> [#uses=1] @"\01LC1" = internal constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1] @llvm.used1 = appending global [1 x i8*] [ i8* bitcast (%struct.NSString* (%struct.XCStringList*, %struct..0objc_selector*)* @"-[XCStringList stringRepresentation]" to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] define %struct.NSString* @"-[XCStringList stringRepresentation]"(%struct.XCStringList* %self, %struct..0objc_selector* %_cmd) nounwind { entry: %0 = load i32, i32* null, align 4 ; [#uses=1] %1 = and i32 %0, 16777215 ; [#uses=1] %2 = icmp eq i32 %1, 0 ; [#uses=1] br i1 %2, label %bb44, label %bb4 bb4: ; preds = %entry %3 = load %struct._XCStringListNode*, %struct._XCStringListNode** null, align 4 ; <%struct._XCStringListNode*> [#uses=2] %4 = icmp eq %struct._XCStringListNode* %3, null ; [#uses=1] %5 = bitcast %struct._XCStringListNode* %3 to i32* ; [#uses=1] br label %bb37.outer bb6: ; preds = %bb37 br label %bb19 bb19: ; preds = %bb37, %bb6 %.rle = phi i32 [ 0, %bb6 ], [ %10, %bb37 ] ; [#uses=1] %bufptr.0.lcssa = phi i8* [ null, %bb6 ], [ null, %bb37 ] ; [#uses=2] %6 = and i32 %.rle, 16777215 ; [#uses=1] %7 = icmp eq i32 %6, 0 ; [#uses=1] br i1 %7, label %bb25.split, label %bb37 bb25.split: ; preds = %bb19 call void @foo(i8* getelementptr ([1 x i8], [1 x i8]* @"\01LC1", i32 0, i32 0)) nounwind nounwind br label %bb35.outer bb34: ; preds = %bb35, %bb35, %bb35, %bb35 %8 = getelementptr i8, i8* %bufptr.0.lcssa, i32 %totalLength.0.ph ; [#uses=1] store i8 92, i8* %8, align 1 br label %bb35.outer bb35.outer: ; preds = %bb34, %bb25.split %totalLength.0.ph = add i32 0, %totalLength.1.ph ; [#uses=2] br label %bb35 bb35: ; preds = %bb35, %bb35.outer %9 = load i8, i8* null, align 1 ; [#uses=1] switch i8 %9, label %bb35 [ i8 0, label %bb37.outer i8 32, label %bb34 i8 92, label %bb34 i8 34, label %bb34 i8 39, label %bb34 ] bb37.outer: ; preds = %bb35, %bb4 %totalLength.1.ph = phi i32 [ 0, %bb4 ], [ %totalLength.0.ph, %bb35 ] ; [#uses=1] %bufptr.1.ph = phi i8* [ null, %bb4 ], [ %bufptr.0.lcssa, %bb35 ] ; [#uses=2] br i1 %4, label %bb39.split, label %bb37 bb37: ; preds = %bb37.outer, %bb19 %10 = load i32, i32* %5, align 4 ; [#uses=1] br i1 false, label %bb6, label %bb19 bb39.split: ; preds = %bb37.outer %11 = bitcast i8* null to %struct.NSString* ; <%struct.NSString*> [#uses=2] %12 = icmp eq i8* null, %bufptr.1.ph ; [#uses=1] br i1 %12, label %bb44, label %bb42 bb42: ; preds = %bb39.split call void @quux(i8* %bufptr.1.ph) nounwind nounwind ret %struct.NSString* %11 bb44: ; preds = %bb39.split, %entry %.0 = phi %struct.NSString* [ bitcast (%struct.__builtin_CFString* @0 to %struct.NSString*), %entry ], [ %11, %bb39.split ] ; <%struct.NSString*> [#uses=1] ret %struct.NSString* %.0 } declare void @foo(i8*) declare void @quux(i8*)