116 lines
3.2 KiB
Mathematica
116 lines
3.2 KiB
Mathematica
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fobjc-arc -fblocks -Wno-objc-root-class -O0 %s -S -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fobjc-arc -fblocks -Wno-objc-root-class -O0 -xobjective-c++ -std=c++11 %s -S -emit-llvm -o - | FileCheck %s --check-prefix CHECKXX
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#define EXT_RET __attribute__((objc_externally_retained))
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@interface ObjTy @end
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ObjTy *global;
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#if __cplusplus
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// Suppress name mangling in C++ mode for the sake of check lines.
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extern "C" void param(ObjTy *p);
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extern "C" void local();
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extern "C" void in_init();
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extern "C" void anchor();
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extern "C" void block_capture(ObjTy *);
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extern "C" void esc(void (^)());
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extern "C" void escp(void (^)(ObjTy *));
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extern "C" void block_param();
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#endif
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void param(ObjTy *p) EXT_RET {
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// CHECK-LABEL: define{{.*}} void @param
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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void local() {
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EXT_RET ObjTy *local = global;
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// CHECK-LABEL: define{{.*}} void @local
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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void in_init() {
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// Test that we do the right thing when a variable appears in it's own
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// initializer. Here, we release the value stored in 'wat' after overwriting
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// it, in case it was somehow set to point to a non-null object while it's
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// initializer is being evaluated.
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EXT_RET ObjTy *wat = 0 ? wat : global;
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// CHECK-LABEL: define{{.*}} void @in_init
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// CHECK: [[WAT:%.*]] = alloca
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// CHECK-NEXT: store {{.*}} null, {{.*}} [[WAT]]
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// CHECK-NEXT: [[GLOBAL:%.*]] = load {{.*}} @global
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// CHECK-NEXT: [[WAT_LOAD:%.*]] = load {{.*}} [[WAT]]
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// CHECK-NEXT: store {{.*}} [[GLOBAL]], {{.*}} [[WAT]]
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// CHECK-NEXT: [[CASTED:%.*]] = bitcast {{.*}} [[WAT_LOAD]] to
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// CHECK-NEXT: call void @llvm.objc.release(i8* [[CASTED]])
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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void esc(void (^)());
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void block_capture(ObjTy *obj) EXT_RET {
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esc(^{ (void)obj; });
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// CHECK-LABEL: define{{.*}} void @block_capture
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// CHECK-NOT: llvm.objc.
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// CHECK: call i8* @llvm.objc.retain
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// CHECK-NOT: llvm.objc.
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// CHECK: call void @esc
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// CHECK-NOT: llvm.objc.
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// CHECK: call void @llvm.objc.storeStrong({{.*}} null)
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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// CHECK-LABEL: define {{.*}} void @__copy_helper_block_
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// CHECK-NOT: llvm.objc.
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// CHECK: llvm.objc.storeStrong
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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// CHECK-LABEL: define {{.*}} void @__destroy_helper_block_
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// CHECK-NOT: llvm.objc.
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// CHECK: llvm.objc.storeStrong({{.*}} null)
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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void escp(void (^)(ObjTy *));
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void block_param() {
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escp(^(ObjTy *p) EXT_RET {});
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// CHECK-LABEL: define internal void @__block_param_block_invoke
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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@interface Inter
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-(void)m1: (ObjTy *)w;
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@end
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@implementation Inter
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-(void)m1: (ObjTy *) w EXT_RET {
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// CHECK-LABEL: define internal void @"\01-[Inter m1:]"
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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-(void)m2: (ObjTy *) w EXT_RET {
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// CHECK-LABEL: define internal void @"\01-[Inter m2:]"
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// CHECK-NOT: llvm.objc.
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// CHECK: ret
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}
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@end
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#if __cplusplus
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// Verify that the decltype(p) is resolved before 'p' is made implicitly const.
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__attribute__((objc_externally_retained))
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void foo(ObjTy *p, decltype(p) *) {}
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// CHECKXX: _Z3fooP5ObjTyPU8__strongS0_
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#endif
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