134 lines
3.6 KiB
Objective-C
134 lines
3.6 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck %s
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// CHECK: %[[STRUCT_TRIVIAL:.*]] = type { i32 }
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// CHECK: %[[STRUCT_TRIVIALBIG:.*]] = type { [64 x i32] }
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// CHECK: %[[STRUCT_STRONG:.*]] = type { i8* }
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// CHECK: %[[STRUCT_WEAK:.*]] = type { i8* }
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typedef struct {
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int x;
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} Trivial;
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typedef struct {
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int x[64];
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} TrivialBig;
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typedef struct {
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id x;
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} Strong;
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typedef struct {
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__weak id x;
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} Weak;
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// CHECK: define i32 @testTrivial()
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_TRIVIAL]], align 4
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// CHECK-NEXT: call void @func0(%[[STRUCT_TRIVIAL]]* %[[RETVAL]])
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// CHECK-NOT: memcpy
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// CHECK: ret i32 %
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void func0(Trivial *);
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Trivial testTrivial(void) {
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Trivial a;
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func0(&a);
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return a;
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}
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void func1(TrivialBig *);
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// CHECK: define void @testTrivialBig(%[[STRUCT_TRIVIALBIG]]* noalias sret %[[AGG_RESULT:.*]])
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// CHECK: call void @func1(%[[STRUCT_TRIVIALBIG]]* %[[AGG_RESULT]])
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// CHECK-NEXT: ret void
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TrivialBig testTrivialBig(void) {
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TrivialBig a;
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func1(&a);
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return a;
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}
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// CHECK: define i8* @testStrong()
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_STRONG]], align 8
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// CHECK: %[[NRVO:.*]] = alloca i1, align 1
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// CHECK: %[[V0:.*]] = bitcast %[[STRUCT_STRONG]]* %[[RETVAL]] to i8**
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// CHECK: call void @__default_constructor_8_s0(i8** %[[V0]])
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// CHECK: store i1 true, i1* %[[NRVO]], align 1
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// CHECK: %[[NRVO_VAL:.*]] = load i1, i1* %[[NRVO]], align 1
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// CHECK: br i1 %[[NRVO_VAL]],
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// CHECK: %[[V1:.*]] = bitcast %[[STRUCT_STRONG]]* %[[RETVAL]] to i8**
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// CHECK: call void @__destructor_8_s0(i8** %[[V1]])
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// CHECK: br
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[V2:.*]] = load i8*, i8** %[[COERCE_DIVE]], align 8
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// CHECK: ret i8* %[[V2]]
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Strong testStrong(void) {
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Strong a;
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return a;
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}
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// CHECK: define void @testWeak(%[[STRUCT_WEAK]]* noalias sret %[[AGG_RESULT:.*]])
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// CHECK: %[[NRVO:.*]] = alloca i1, align 1
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// CHECK: %[[V0:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_RESULT]] to i8**
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// CHECK: call void @__default_constructor_8_w0(i8** %[[V0]])
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// CHECK: store i1 true, i1* %[[NRVO]], align 1
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// CHECK: %[[NRVO_VAL:.*]] = load i1, i1* %[[NRVO]], align 1
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// CHECK: br i1 %[[NRVO_VAL]],
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// CHECK: %[[V1:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_RESULT]] to i8**
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// CHECK: call void @__destructor_8_w0(i8** %[[V1]])
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// CHECK: br
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// CHECK-NOT: call
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// CHECK: ret void
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Weak testWeak(void) {
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Weak a;
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return a;
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}
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// CHECK: define void @testWeak2(
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// CHECK: call void @__default_constructor_8_w0(
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// CHECK: call void @__default_constructor_8_w0(
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// CHECK: call void @__copy_constructor_8_8_w0(
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// CHECK: call void @__copy_constructor_8_8_w0(
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// CHECK: call void @__destructor_8_w0(
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// CHECK: call void @__destructor_8_w0(
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Weak testWeak2(int c) {
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Weak a, b;
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if (c)
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return a;
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else
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return b;
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}
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// CHECK: define internal void @"\01-[C1 foo1]"(%[[STRUCT_WEAK]]* noalias sret %[[AGG_RESULT:.*]], %{{.*}}* %{{.*}}, i8* %{{.*}})
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// CHECK: %[[NRVO:.*]] = alloca i1, align 1
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// CHECK: %[[V0:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_RESULT]] to i8**
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// CHECK: call void @__default_constructor_8_w0(i8** %[[V0]])
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// CHECK: store i1 true, i1* %[[NRVO]], align 1
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// CHECK: %[[NRVO_VAL:.*]] = load i1, i1* %[[NRVO]], align 1
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// CHECK: br i1 %[[NRVO_VAL]],
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// CHECK: %[[V1:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_RESULT]] to i8**
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// CHECK: call void @__destructor_8_w0(i8** %[[V1]])
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// CHECK: br
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// CHECK-NOT: call
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// CHECK: ret void
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__attribute__((objc_root_class))
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@interface C1
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- (Weak)foo1;
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@end
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@implementation C1
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- (Weak)foo1 {
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Weak a;
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return a;
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}
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@end
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