llvm-project/clang/test/CodeGenObjC/messages-2.m

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-fragile-abi -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-NF

// Most of this test is apparently just verifying that we don't crash.

int printf(const char *, ...);

@interface Root
@end

typedef struct {
  int x, y, z[10];
} MyPoint;
typedef struct {
  float width, height;
} MySize;

@interface A : Root
+(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3;
+(float) returnAFloat;
+(double) returnADouble;
+(MyPoint) returnAPoint;
+(void) printThisSize: (MySize) arg0;
+(MySize) returnASize;

-(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3;
-(float) returnAFloat;
-(double) returnADouble;
-(MyPoint) returnAPoint;
-(void) printThisSize: (MySize) arg0;
-(MySize) returnASize;
@end
@interface B : A
@end

@implementation A
+(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
  printf("(CLASS) theInt: %d, theFloat: %f, theDouble: %f, thePoint: { %d, %d }\n",
         arg0, arg1, arg2, arg3.x, arg3.y);
}
+(float) returnAFloat {
  return 15.;
}
+(double) returnADouble {
  return 25.;
}
+(MyPoint) returnAPoint {
  MyPoint x = { 35, 45 };
  return x;
}
+(void) printThisSize: (MySize) arg0 {
  printf("(CLASS) theSize: { %f, %f }\n",
         arg0.width, arg0.height);
}
+(MySize) returnASize {
  MySize x = { 32, 44 };
  return x;
}

-(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
  printf("theInt: %d, theFloat: %f, theDouble: %f, thePoint: { %d, %d }\n",
         arg0, arg1, arg2, arg3.x, arg3.y);
}
-(float) returnAFloat {
  return 10.;
}
-(double) returnADouble {
  return 20.;
}
-(MyPoint) returnAPoint {
  MyPoint x = { 30, 40 };
  return x;
}
-(void) printThisSize: (MySize) arg0 {
  printf("theSize: { %f, %f }\n",
         arg0.width, arg0.height);
}
-(MySize) returnASize {
  MySize x = { 22, 34 };
  return x;
}
@end

@implementation B
+(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
  arg3.x *= 2;
  arg3.y *= 2;
  [ super printThisInt: arg0*2 andThatFloat: arg1*2 andADouble: arg2*2 andAPoint: arg3 ];
}
+(void) printThisSize: (MySize) arg0 {
  arg0.width *= 2;
  arg0.height *= 2;
  [ super printThisSize: arg0 ];
}
+(float) returnAFloat {
  return [ super returnAFloat ]*2;
}
+(double) returnADouble {
  return [ super returnADouble ]*2;
}
+(MyPoint) returnAPoint {
  MyPoint x = [ super returnAPoint ];
  x.x *= 2;
  x.y *= 2;
  return x;
}
+(MySize) returnASize {
  MySize x = [ super returnASize ];
  x.width *= 2;
  x.height *= 2;
  return x;
}

-(void) printThisInt: (int) arg0 andThatFloat: (float) arg1 andADouble: (double) arg2 andAPoint: (MyPoint) arg3 {
  arg3.x *= 2;
  arg3.y *= 2;
  [ super printThisInt: arg0*2 andThatFloat: arg1*2 andADouble: arg2*2 andAPoint: arg3 ];
}
-(void) printThisSize: (MySize) arg0 {
  arg0.width *= 2;
  arg0.height *= 2;
  [ super printThisSize: arg0 ];
}
-(float) returnAFloat {
  return [ super returnAFloat ]*2;
}
-(double) returnADouble {
  return [ super returnADouble ]*2;
}
-(MyPoint) returnAPoint {
  MyPoint x = [ super returnAPoint ];
  x.x *= 2;
  x.y *= 2;
  return x;
}
-(MySize) returnASize {
  MySize x = [ super returnASize ];
  x.width *= 2;
  x.height *= 2;
  return x;
}
-(const float) returnAConstFloat {
  return 5;
}
@end

// rdar://problem/7854674
// CHECK:    define void @test0([[A:%.*]]*
// CHECK-NF: define void @test0([[A:%.*]]*
void test0(A *x) {
  // CHECK:         [[X:%.*]] = alloca [[A]]*
  // CHECK-NEXT:    [[POINT:%.*]] = alloca [[POINT_T:%.*]],
  // CHECK:         [[T0:%.*]] = load [[A]]** [[X]]
  // CHECK:         [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
  // CHECK-NEXT:    icmp eq i8* [[T1]], null
  // CHECK-NEXT:    br i1
  // CHECK:         call {{.*}} @objc_msgSend_stret to
  // CHECK-NEXT:    br label
  // CHECK:         [[T0:%.*]] = bitcast [[POINT_T]]* [[POINT]] to i8*
  // CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 4, i1 false)
  // CHECK-NEXT:    br label

  // CHECK-NF:      [[X:%.*]] = alloca [[A]]*
  // CHECK-NF-NEXT: [[POINT:%.*]] = alloca [[POINT_T:%.*]],
  // CHECK-NF:      [[T0:%.*]] = load [[A]]** [[X]]
  // CHECK-NF:      [[T1:%.*]] = bitcast [[A]]* [[T0]] to i8*
  // CHECK-NF-NEXT: icmp eq i8* [[T1]], null
  // CHECK-NF-NEXT: br i1
  // CHECK-NF:      call {{.*}} @objc_msgSend_stret to
  // CHECK-NF-NEXT: br label
  // CHECK-NF:      [[T0:%.*]] = bitcast [[POINT_T]]* [[POINT]] to i8*
  // CHECK-NF-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 4, i1 false)
  // CHECK-NF-NEXT: br label
  MyPoint point = [x returnAPoint];
}