block-byref-variable-layout.m
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// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
// rdar://12759433
@class NSString;
void Test12759433() {
__block __unsafe_unretained NSString *uuByref = (__bridge NSString *)(void*)0x102030405060708;
void (^block)() = ^{ uuByref = 0; };
block();
}
// CHECK: %struct.__block_byref_uuByref = type { i8*, %struct.__block_byref_uuByref*, i32, i32, [[ZERO:%.*]]* }
int main() {
__block __weak id wid;
__block long XXX;
__block id ID;
__block struct S {
int iS;
double iD;
void *pv;
__unsafe_unretained id unsunr;
} import;
void (^c)() = ^{
// Inline flag for BYREF variable layout (1107296256): BLOCK_BYREF_HAS_COPY_DISPOSE BLOCK_BYREF_LAYOUT_WEAK
// CHECK: store i32 1107296256, i32* [[T0:%.*]]
wid = 0;
// Inline flag for BYREF variable layout (536870912): BLOCK_BYREF_LAYOUT_NON_OBJECT
// CHECK: store i32 536870912, i32* [[T1:%.*]]
XXX = 12345;
// Inline flag for BYREF variable layout (838860800): BLOCK_BYREF_HAS_COPY_DISPOSE BLOCK_BYREF_LAYOUT_STRONG
// CHECK: store i32 838860800, i32* [[T2:%.*]]
ID = 0;
// Inline flag for BYREF variable layout (268435456): BLOCK_BYREF_LAYOUT_EXTENDED
// BYREF variable layout: BL_NON_OBJECT_WORD:3, BL_UNRETAINED:1, BL_OPERATOR:0
// CHECK: store i32 268435456, i32* [[T3:%.*]]
import.iD = 3.14;
};
c();
}
// rdar://12787751
typedef char mds_path_t[1024];
void directVolumePerfWaitForStoreState()
{
__block mds_path_t path;
}