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