1; RUN: llc < %s -mtriple=i386-apple-darwin -relocation-model=pic -frame-pointer=all 2 3 %struct..0objc_selector = type opaque 4 %struct.NSString = type opaque 5 %struct.XCStringList = type { i32, ptr } 6 %struct._XCStringListNode = type { [3 x i8], [0 x i8], i8 } 7 %struct.__builtin_CFString = type { ptr, i32, ptr, i32 } 8@0 = internal constant %struct.__builtin_CFString { ptr @__CFConstantStringClassReference, i32 1992, ptr @"\01LC", i32 2 } ; <ptr>:0 [#uses=1] 9@__CFConstantStringClassReference = external global [0 x i32] ; <ptr> [#uses=1] 10@"\01LC" = internal constant [3 x i8] c"NO\00" ; <ptr> [#uses=1] 11@"\01LC1" = internal constant [1 x i8] zeroinitializer ; <ptr> [#uses=1] 12@llvm.used1 = appending global [1 x ptr] [ ptr @"-[XCStringList stringRepresentation]" ], section "llvm.metadata" ; <ptr> [#uses=0] 13 14define ptr @"-[XCStringList stringRepresentation]"(ptr %self, ptr %_cmd) nounwind { 15entry: 16 %0 = load i32, ptr null, align 4 ; <i32> [#uses=1] 17 %1 = and i32 %0, 16777215 ; <i32> [#uses=1] 18 %2 = icmp eq i32 %1, 0 ; <i1> [#uses=1] 19 br i1 %2, label %bb44, label %bb4 20 21bb4: ; preds = %entry 22 %3 = load ptr, ptr null, align 4 ; <ptr> [#uses=2] 23 %4 = icmp eq ptr %3, null ; <i1> [#uses=1] 24 br label %bb37.outer 25 26bb6: ; preds = %bb37 27 br label %bb19 28 29bb19: ; preds = %bb37, %bb6 30 %.rle = phi i32 [ 0, %bb6 ], [ %9, %bb37 ] ; <i32> [#uses=1] 31 %bufptr.0.lcssa = phi ptr [ null, %bb6 ], [ null, %bb37 ] ; <ptr> [#uses=2] 32 %5 = and i32 %.rle, 16777215 ; <i32> [#uses=1] 33 %6 = icmp eq i32 %5, 0 ; <i1> [#uses=1] 34 br i1 %6, label %bb25.split, label %bb37 35 36bb25.split: ; preds = %bb19 37 call void @foo(ptr @"\01LC1") nounwind nounwind 38 br label %bb35.outer 39 40bb34: ; preds = %bb35, %bb35, %bb35, %bb35 41 %7 = getelementptr i8, ptr %bufptr.0.lcssa, i32 %totalLength.0.ph ; <ptr> [#uses=1] 42 store i8 92, ptr %7, align 1 43 br label %bb35.outer 44 45bb35.outer: ; preds = %bb34, %bb25.split 46 %totalLength.0.ph = add i32 0, %totalLength.1.ph ; <i32> [#uses=2] 47 br label %bb35 48 49bb35: ; preds = %bb35, %bb35.outer 50 %8 = load i8, ptr null, align 1 ; <i8> [#uses=1] 51 switch i8 %8, label %bb35 [ 52 i8 0, label %bb37.outer 53 i8 32, label %bb34 54 i8 92, label %bb34 55 i8 34, label %bb34 56 i8 39, label %bb34 57 ] 58 59bb37.outer: ; preds = %bb35, %bb4 60 %totalLength.1.ph = phi i32 [ 0, %bb4 ], [ %totalLength.0.ph, %bb35 ] ; <i32> [#uses=1] 61 %bufptr.1.ph = phi ptr [ null, %bb4 ], [ %bufptr.0.lcssa, %bb35 ] ; <ptr> [#uses=2] 62 br i1 %4, label %bb39.split, label %bb37 63 64bb37: ; preds = %bb37.outer, %bb19 65 %9 = load i32, ptr %3, align 4 ; <i32> [#uses=1] 66 br i1 false, label %bb6, label %bb19 67 68bb39.split: ; preds = %bb37.outer 69 %10 = icmp eq ptr null, %bufptr.1.ph ; <i1> [#uses=1] 70 br i1 %10, label %bb44, label %bb42 71 72bb42: ; preds = %bb39.split 73 call void @quux(ptr %bufptr.1.ph) nounwind nounwind 74 ret ptr null 75 76bb44: ; preds = %bb39.split, %entry 77 %.0 = phi ptr [ @0, %entry ], [ null, %bb39.split ] ; <ptr> [#uses=1] 78 ret ptr %.0 79} 80 81declare void @foo(ptr) 82 83declare void @quux(ptr) 84