50 lines
1.7 KiB
Objective-C
50 lines
1.7 KiB
Objective-C
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple i386-apple-darwin -print-ivar-layout -emit-llvm -o /dev/null %s > %t-32.layout
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// RUN: FileCheck --input-file=%t-32.layout %s
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// rdar://12184410
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// rdar://12752901
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@class NSString;
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extern void NSLog(NSString *format, ...);
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extern int printf(const char *, ...);
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int main() {
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NSString *strong;
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unsigned long long eightByte = 0x8001800181818181ull;
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// Test1
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// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
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void (^block1)() = ^{ printf("%#llx", eightByte); NSLog(@"%@", strong); };
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// Test2
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int i = 1;
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// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
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void (^block2)() = ^{ printf("%#llx, %d", eightByte, i); NSLog(@"%@", strong); };
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// Test3
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char ch = 'a';
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// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
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void (^block3)() = ^{ printf("%c %#llx", ch, eightByte); NSLog(@"%@", strong); };
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// Test4
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unsigned long fourByte = 0x8001ul;
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// block variable layout: BL_NON_OBJECT_WORD:1, BL_STRONG:1, BL_OPERATOR:0
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// CHECK: Inline instruction for block variable layout: 0x0100
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void (^block4)() = ^{ printf("%c %#lx", ch, fourByte); NSLog(@"%@", strong); };
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// Test5
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// CHECK: block variable layout: BL_NON_OBJECT_WORD:3, BL_STRONG:1, BL_OPERATOR:0
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void (^block5)() = ^{ NSLog(@"%@", strong); printf("%c %#llx", ch, eightByte); };
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// Test6
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// CHECK: block variable layout: BL_OPERATOR:0
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void (^block6)() = ^{ printf("%#llx", eightByte); };
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}
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/**
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struct __block_literal_generic { // 32bytes (64bit) and 20 bytes (32bit).
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0 void *__isa;
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4 int __flags;
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8 int __reserved;
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12 void (*__invoke)(void *);
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16 struct __block_descriptor *__descriptor;
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};
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*/
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