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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK
      2 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-NF
      3 
      4 // Most of this test is apparently just verifying that we don't crash.
      5 
      6 int printf(const char *, ...);
      7 
      8 @interface Root
      9 @end
     10 
     11 typedef struct {
     12   int x, y, z[10];
     13 } MyPoint;
     14 typedef struct {
     15   float width, height;
     16 } MySize;
     17 
     18 @interface A : Root
     19 +(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3;
     20 +(float) returnAFloat;
     21 +(double) returnADouble;
     22 +(MyPoint) returnAPoint;
     23 +(void) printThisSize: (MySize) arg0;
     24 +(MySize) returnASize;
     25 
     26 -(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3;
     27 -(float) returnAFloat;
     28 -(double) returnADouble;
     29 -(MyPoint) returnAPoint;
     30 -(void) printThisSize: (MySize) arg0;
     31 -(MySize) returnASize;
     32 @end
     33 @interface B : A
     34 @end
     35 
     36 @implementation A
     37 +(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
     38   printf("(CLASS) theInt: %d, theFloat: %f, theDouble: %f, thePoint: { %d, %d }\n",
     39          arg0, arg1, arg2, arg3.x, arg3.y);
     40 }
     41 +(float) returnAFloat {
     42   return 15.;
     43 }
     44 +(double) returnADouble {
     45   return 25.;
     46 }
     47 +(MyPoint) returnAPoint {
     48   MyPoint x = { 35, 45 };
     49   return x;
     50 }
     51 +(void) printThisSize: (MySize) arg0 {
     52   printf("(CLASS) theSize: { %f, %f }\n",
     53          arg0.width, arg0.height);
     54 }
     55 +(MySize) returnASize {
     56   MySize x = { 32, 44 };
     57   return x;
     58 }
     59 
     60 -(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
     61   printf("theInt: %d, theFloat: %f, theDouble: %f, thePoint: { %d, %d }\n",
     62          arg0, arg1, arg2, arg3.x, arg3.y);
     63 }
     64 -(float) returnAFloat {
     65   return 10.;
     66 }
     67 -(double) returnADouble {
     68   return 20.;
     69 }
     70 -(MyPoint) returnAPoint {
     71   MyPoint x = { 30, 40 };
     72   return x;
     73 }
     74 -(void) printThisSize: (MySize) arg0 {
     75   printf("theSize: { %f, %f }\n",
     76          arg0.width, arg0.height);
     77 }
     78 -(MySize) returnASize {
     79   MySize x = { 22, 34 };
     80   return x;
     81 }
     82 @end
     83 
     84 @implementation B
     85 +(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
     86   arg3.x *= 2;
     87   arg3.y *= 2;
     88   [ super printThisInt: arg0*2 andThatFloat: arg1*2 andADouble: arg2*2 andAPoint: arg3 ];
     89 }
     90 +(void) printThisSize: (MySize) arg0 {
     91   arg0.width *= 2;
     92   arg0.height *= 2;
     93   [ super printThisSize: arg0 ];
     94 }
     95 +(float) returnAFloat {
     96   return [ super returnAFloat ]*2;
     97 }
     98 +(double) returnADouble {
     99   return [ super returnADouble ]*2;
    100 }
    101 +(MyPoint) returnAPoint {
    102   MyPoint x = [ super returnAPoint ];
    103   x.x *= 2;
    104   x.y *= 2;
    105   return x;
    106 }
    107 +(MySize) returnASize {
    108   MySize x = [ super returnASize ];
    109   x.width *= 2;
    110   x.height *= 2;
    111   return x;
    112 }
    113 
    114 -(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
    115   arg3.x *= 2;
    116   arg3.y *= 2;
    117   [ super printThisInt: arg0*2 andThatFloat: arg1*2 andADouble: arg2*2 andAPoint: arg3 ];
    118 }
    119 -(void) printThisSize: (MySize) arg0 {
    120   arg0.width *= 2;
    121   arg0.height *= 2;
    122   [ super printThisSize: arg0 ];
    123 }
    124 -(float) returnAFloat {
    125   return [ super returnAFloat ]*2;
    126 }
    127 -(double) returnADouble {
    128   return [ super returnADouble ]*2;
    129 }
    130 -(MyPoint) returnAPoint {
    131   MyPoint x = [ super returnAPoint ];
    132   x.x *= 2;
    133   x.y *= 2;
    134   return x;
    135 }
    136 -(MySize) returnASize {
    137   MySize x = [ super returnASize ];
    138   x.width *= 2;
    139   x.height *= 2;
    140   return x;
    141 }
    142 -(const float) returnAConstFloat {
    143   return 5;
    144 }
    145 @end
    146 
    147 // rdar://problem/7854674
    148 // CHECK:    define void @test0([[A:%.*]]*
    149 // CHECK-NF: define void @test0([[A:%.*]]*
    150 void test0(A *x) {
    151   // CHECK:         [[X:%.*]] = alloca [[A]]*
    152   // CHECK-NEXT:    [[POINT:%.*]] = alloca [[POINT_T:%.*]],
    153   // CHECK:         [[T0:%.*]] = load [[A]]*, [[A]]** [[X]]
    154   // CHECK:         [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
    155   // CHECK-NEXT:    icmp eq i8* [[T1]], null
    156   // CHECK-NEXT:    br i1
    157   // CHECK:         call {{.*}} @objc_msgSend_stret to
    158   // CHECK-NEXT:    br label
    159   // CHECK:         [[T0:%.*]] = bitcast [[POINT_T]]* [[POINT]] to i8*
    160   // CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 4, i1 false)
    161   // CHECK-NEXT:    br label
    162 
    163   // CHECK-NF:      [[X:%.*]] = alloca [[A]]*
    164   // CHECK-NF-NEXT: [[POINT:%.*]] = alloca [[POINT_T:%.*]],
    165   // CHECK-NF:      [[T0:%.*]] = load [[A]]*, [[A]]** [[X]]
    166   // CHECK-NF:      [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
    167   // CHECK-NF-NEXT: icmp eq i8* [[T1]], null
    168   // CHECK-NF-NEXT: br i1
    169   // CHECK-NF:      call {{.*}} @objc_msgSend_stret to
    170   // CHECK-NF-NEXT: br label
    171   // CHECK-NF:      [[T0:%.*]] = bitcast [[POINT_T]]* [[POINT]] to i8*
    172   // CHECK-NF-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 4, i1 false)
    173   // CHECK-NF-NEXT: br label
    174   MyPoint point = [x returnAPoint];
    175 }
    176