clang/test/CodeGenObjC/boxing.m

   1 // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
   2
   3 typedef long NSInteger;
   4 typedef unsigned long NSUInteger;
   5 typedef signed char BOOL;
   6 #define nil ((void*) 0)
   7
   8 @interface NSObject
   9 + (id)alloc;
  10 @end
  11
  12 @interface NSNumber : NSObject
  13 @end
  14
  15 @interface NSNumber (NSNumberCreation)
  16 - (id)initWithChar:(char)value;
  17 - (id)initWithUnsignedChar:(unsigned char)value;
  18 - (id)initWithShort:(short)value;
  19 - (id)initWithUnsignedShort:(unsigned short)value;
  20 - (id)initWithInt:(int)value;
  21 - (id)initWithUnsignedInt:(unsigned int)value;
  22 - (id)initWithLong:(long)value;
  23 - (id)initWithUnsignedLong:(unsigned long)value;
  24 - (id)initWithLongLong:(long long)value;
  25 - (id)initWithUnsignedLongLong:(unsigned long long)value;
  26 - (id)initWithFloat:(float)value;
  27 - (id)initWithDouble:(double)value;
  28 - (id)initWithBool:(BOOL)value;
  29 - (id)initWithInteger:(NSInteger)value;
  30 - (id)initWithUnsignedInteger:(NSUInteger)value;
  31
  32 + (NSNumber *)numberWithChar:(char)value;
  33 + (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
  34 + (NSNumber *)numberWithShort:(short)value;
  35 + (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
  36 + (NSNumber *)numberWithInt:(int)value;
  37 + (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
  38 + (NSNumber *)numberWithLong:(long)value;
  39 + (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
  40 + (NSNumber *)numberWithLongLong:(long long)value;
  41 + (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
  42 + (NSNumber *)numberWithFloat:(float)value;
  43 + (NSNumber *)numberWithDouble:(double)value;
  44 + (NSNumber *)numberWithBool:(BOOL)value;
  45 + (NSNumber *)numberWithInteger:(NSInteger)value;
  46 + (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value;
  47 @end
  48
  49 @interface NSString : NSObject
  50 @end
  51
  52 @interface NSString (NSStringExtensionMethods)
  53 + (id)stringWithUTF8String:(const char *)nullTerminatedCString;
  54 @end
  55
  56 // CHECK: [[V0:%.*]] = type opaque
  57 // CHECK: [[STRUCT_NSCONSTANT_STRING_TAG:%.*]] = type { i32*, i32, i8*, i64 }
  58
  59 // CHECK: [[WithIntMeth:@.*]] = private unnamed_addr constant [15 x i8] c"numberWithInt:\00"
  60 // CHECK: [[WithIntSEL:@.*]] = internal externally_initialized global i8* getelementptr inbounds ([15 x i8], [15 x i8]* [[WithIntMeth]]
  61 // CHECK: [[WithCharMeth:@.*]] = private unnamed_addr constant [16 x i8] c"numberWithChar:\00"
  62 // CHECK: [[WithCharSEL:@.*]] = internal externally_initialized global i8* getelementptr inbounds ([16 x i8], [16 x i8]* [[WithCharMeth]]
  63 // CHECK: [[WithBoolMeth:@.*]] = private unnamed_addr constant [16 x i8] c"numberWithBool:\00"
  64 // CHECK: [[WithBoolSEL:@.*]] = internal externally_initialized global i8* getelementptr inbounds ([16 x i8], [16 x i8]* [[WithBoolMeth]]
  65 // CHECK: [[WithIntegerMeth:@.*]] = private unnamed_addr constant [19 x i8] c"numberWithInteger:\00"
  66 // CHECK: [[WithIntegerSEL:@.*]] = internal externally_initialized global i8* getelementptr inbounds ([19 x i8], [19 x i8]* [[WithIntegerMeth]]
  67 // CHECK: [[WithUnsignedIntegerMeth:@.*]] = private unnamed_addr constant [27 x i8] c"numberWithUnsignedInteger:\00"
  68 // CHECK: [[WithUnsignedIntegerSEL:@.*]] = internal externally_initialized global i8* getelementptr inbounds ([27 x i8], [27 x i8]* [[WithUnsignedIntegerMeth]]
  69 // CHECK: [[stringWithUTF8StringMeth:@.*]] = private unnamed_addr constant [22 x i8] c"stringWithUTF8String:\00"
  70 // CHECK: [[stringWithUTF8StringSEL:@.*]] = internal externally_initialized global i8* getelementptr inbounds ([22 x i8], [22 x i8]* [[stringWithUTF8StringMeth]]
  71 // CHECK: [[STR0:.*]] = private unnamed_addr constant [4 x i8] c"abc\00", section "__TEXT,__cstring,cstring_literals", align 1
  72 // CHECK: [[UNNAMED_CFSTRING:.*]] = private global [[STRUCT_NSCONSTANT_STRING_TAG]] { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* [[STR0]], i32 0, i32 0), i64 3 }, section "__DATA,__cfstring", align 8
  73
  74 int main(void) {
  75   // CHECK: [[T:%.*]] = alloca [[V0]]*, align 8
  76
  77   // CHECK: load i8*, i8** [[WithIntSEL]]
  78   int i; @(i);
  79   // CHECK: load i8*, i8** [[WithCharSEL]]
  80   signed char sc; @(sc);
  81   // CHECK: load i8*, i8** [[WithBoolSEL]]
  82   BOOL b; @(b);
  83   // CHECK: load i8*, i8** [[WithBoolSEL]]
  84   typeof(b) b2; @(b2);
  85   // CHECK: load i8*, i8** [[WithBoolSEL]]
  86   typedef const typeof(b) MyBOOL; MyBOOL b3; @(b3);
  87   // CHECK: load i8*, i8** [[WithBoolSEL]]
  88   @((BOOL)i);
  89   // CHECK: load i8*, i8** [[WithIntegerSEL]]
  90   @((NSInteger)i);
  91   // CHECK: load i8*, i8** [[WithUnsignedIntegerSEL]]
  92   @((NSUInteger)i);
  93   // CHECK: load i8*, i8** [[stringWithUTF8StringSEL]]
  94   const char *s; @(s);
  95
  96   typedef enum : NSInteger { Red, Green, Blue } Color;
  97   // CHECK: load i8*, i8** [[WithIntegerSEL]]
  98   @(Red);
  99   Color col = Red;
 100   // CHECK: load i8*, i8** [[WithIntegerSEL]]
 101   @(col);
 102
 103   // CHECK: store [[V0]]* bitcast ([[STRUCT_NSCONSTANT_STRING_TAG]]* [[UNNAMED_CFSTRING]] to [[V0]]*), [[V0]]** [[T]], align 8
 104   NSString *t = @("abc");
 105 }